| Sample search results for: a-type post-agb stars |
| 1 | ASP Conference Series, Vol. **VOLUME**, **PUBLICATION YEAR** **EDITORS** | ||
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Summary: in the LMC: Dust-enshrouded AGB stars, post-AGB stars and PN P.R. Wood Research School of Astronomy... . Spectra have been taken for most of the post-AGB stars and a selection of the AGB stars and red... -enshrouded AGB stars and 25 appear to be ... |
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Source: Wood, Peter - Mt. Stromlo Observatory & Research School of Astronomy and Astrophysics, Australian National University |
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Collection: Physics |
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| 2 | MSX SOURCES IN THE LMC: DUSTENSHROUDED AGB STARS AND POSTAGB STARS | ||
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Summary: MSX SOURCES IN THE LMC: DUSTENSHROUDED AGB STARS AND POSTAGB STARS P.R. Wood Research School... Laboratory, University of California, Berkeley mcohen@astro.berkeley.edu Keywords: stars: AGB and postAGB... and 25 appear to be postAGB stars ... |
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Source: Wood, Peter - Mt. Stromlo Observatory & Research School of Astronomy and Astrophysics, Australian National University |
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Collection: Physics |
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| 3 | A&A 469, 799806 (2007) DOI: 10.1051/0004-6361:20067035 | ||
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Summary: our present knowledge of known post-AGB stars in the galaxy with a view to using it to search for new... . stars: AGB and post-AGB stars evolution catalogs 1. Introduction Once they have burnt up... .u-strasbg.fr (130.79.128.5) or via ... |
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Source: Szczerba, Ryszard - Department of Astrophysics, Centrum Astronomiczne im. M. Kopernika |
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Collection: Physics |
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| 4 | MODELLING OF THE OBSERVED POSTAGB R. Tylenda, K. Jeske, R. Szczerba, N. Si odmiak | ||
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Summary: the evolution of the central star and hydrodynamics of the dust gas nebula formed from the AGB and postAGB... towards the region occupied by the planetary nebula nuclei. The evolution of a star in the postAGB phase... STAR The evolution of a star in the ... |
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Source: Szczerba, Ryszard - Department of Astrophysics, Centrum Astronomiczne im. M. Kopernika |
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Collection: Physics |
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| 5 | An Observational Study of Post-Asymptotic Giant Branch Stars | ||
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Summary: . With initial masses 9M, post-AGB stars form an important group of evolved stars and provide a unique... opportunity to study stellar evolution almost on a human time-scale. Post-AGB stars have spectral types... . Furthermore, post-AGB stars may ... |
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Source: Armagh Observatory Meteorology Databank |
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Collection: Geosciences |
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| 6 | AMBER+FINITO+UT Science Demonstration Proposal The mass-loss envelopes of dusty post-AGB stars | ||
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Summary: AMBER+FINITO+UT Science Demonstration Proposal The mass-loss envelopes of dusty post-AGB stars... @astro.ugto.mx Abstract: We propose to study the mass-loss envelopes of one or more of the dusty post-AGB stars IRAS 19125... +0343, AR Pup and HM Aqr. Post-AGB stars are ... |
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Source: Liske, Jochen - European Southern Observatory |
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Collection: Physics |
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| 7 | Spitzer/MIPS Infrared Imaging of the Extremely Extended Circumstellar Dust Shell of HD 161796 | ||
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Summary: of AGB and post-AGB stars contain the fossil record of their mass loss, and therefore have the potential... the very extended dust shells around four (post-)AGB stars. From this study we will be able to (a... to verify many aspects of stellar evolution. A schematic view of the post-AGB ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 8 | ASP Conference Series, Vol. **VOLUME**, **PUBLICATION YEAR** **EDITORS** | ||
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Summary: identified as a possible postAGB star on the basis of its position in the IRAS 2colour diagram (van der... region to be made. Assuming an intrinsic luminosity of 5000 L fi , typical of postAGB stars... conclusion is that this object is an extremely young and compact postAGB ... |
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Source: Wood, Peter - Mt. Stromlo Observatory & Research School of Astronomy and Astrophysics, Australian National University |
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Collection: Physics |
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| 9 | OBSERVATIONAL DATABASE AND STATISTICAL PROPERTIES | ||
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Summary: depleted atmosphere is no longer possible and the star enters the post--AGB phase of evolution. During... optical depth decreases and postAGB stars become optically visible it is difficult to distinguish them... CrB objects; stars -- 21 #22;m emitters; circles -- high galactic latitude ... |
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Source: Szczerba, Ryszard - Department of Astrophysics, Centrum Astronomiczne im. M. Kopernika |
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Collection: Physics |
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| 10 | RevMexAA (Serie de Conferencias), 00, 1{2 (2000) PLANETARY NEBULAE WITH DOUBLE SHELLS AND HALOES | ||
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Summary: ) evolution. Key Words: HYDRODYNAMICS | STARS: AGB AND POST-AGB | STARS: MASS LOSS | STARS: WINDS, OUTFLOWS... , as a 0.605 M#12; post-AGB star. The numbers indicate the evolutionary ages in 10 3 years, with age zero... of circumstellar matter develop with time during ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 11 | THEEVOLUTIONOFAGB STARS TOWARDSPLANETARY Detlef Schnberner and Matthias Steffen | ||
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Summary: over nuclear burning only during the very early postAGB evolution (T eff 10 000 K) Figure 4 Centralstar... matter develop with time during the late AGB and the following postAGB evolution. We show (i... ) that during the post AGB evolution ionization destroys the initial ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 12 | OPTICAL SPECTROSCOPY OF PECULIAR SUPERGIANTS | ||
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Summary: of the not so numerous population of massive stars evolving towards LBV or WR--stage. All post--AGB objects... with infrared sources. In the spectra of some post-- AGB objects we have revealed strong emission C2 Swan bands... to the chemical diversities. Among peculiar supergiants, the post-- Asymptotic ... |
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Source: Szczerba, Ryszard - Department of Astrophysics, Centrum Astronomiczne im. M. Kopernika |
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Collection: Physics |
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| 13 | IR--COLORS FOR MODELS OF POST--AGB EVOLUTION R. SZCZERBA | ||
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Summary: IR--COLORS FOR MODELS OF POST--AGB EVOLUTION R. SZCZERBA N. Copernicus Astronomical Center PL87... of evolution. Mass loss rates during the AGB and post--AGB phases are not known from the first principles... to the beginning of the PNe phase depends critically on the post--AGB mass loss rate and on the assumed moment |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 14 | 4. Interaction with a aaCircumbinary Disk | ||
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Summary: to confirm by observation, circumbinary disks are very common around post- AGB stars. Their origin... present a similar evolution than Ba stars and are then used as constraints: post-AGB , dwarf Ba , subgiant... with observations. · The eccentricity is pumped rapidly enough to explain ... |
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Source: Izzard, Rob - Argelander Institute for Astronomy, Universität Bonn |
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Collection: Physics |
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| 15 | The Astrophysical Journal, 652:L000--L000, 2006 November 20 # 2006. The American Astronomical Society. All rights reserved. Printed in U.S.A. | ||
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Summary: Society. All rights reserved. Printed in U.S.A. A POSTAGB STAR IN THE SMALL MAGELLANIC CLOUD OBSERVED... . Subject headings: circumstellar matter --- Magellanic Clouds --- stars: AGB and postAGB 1. INTRODUCTION... band variability, implies that MSX SMC 029 cannot be an AGB star. ... |
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Source: Sloan, Gregory C. - Department of Astronomy, Cornell University |
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Collection: Physics |
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| 16 | The Astrophysical Journal, 652:L000L000, 2006 November 20 2006. The American Astronomical Society. All rights reserved. Printed in U.S.A. | ||
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Summary: Society. All rights reserved. Printed in U.S.A. A POST-AGB STAR IN THE SMALL MAGELLANIC CLOUD OBSERVED... headings: circumstellar matter -- Magellanic Clouds -- stars: AGB and post-AGB 1. INTRODUCTION As a star... -band variability, implies that MSX SMC 029 cannot be an AGB ... |
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Source: Sloan, Gregory C. - Department of Astronomy, Cornell University |
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Collection: Physics |
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| 17 | The University of Western Ontario DEPARTMENT OF PHYSICS AND ASTRONOMY | ||
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Summary: of these molecular bands by analyses of entirely different objects such as star forming regions, binary post-AGB... Physics & Astronomy Department University of Western Ontario "Molecular gas and dust around evolved stars... in the universe are created. Indeed, at the end of their active life, stars lose ... |
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Source: Lennard, William N. - Department of Physics and Astronomy, University of Western Ontario |
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Collection: Materials Science ; Physics |
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| 18 | Asymmetrical Planetary Nebulae II: From Origins to Microstructures ASP Conference Series, Vol. 199, 2000 | ||
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Summary: with a sample of central stars of `optically thick' PNe, from Blocker (1995). The post-AGB ages are counted... in a realistic manner, the hydrodynamics of post-AGB wind envelopes leads to density structures and velocity #12... 1. Evolutionary tracks of hydrogen-burning post-AGB mod- els with isochrones (in ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 19 | A&A 431, 565574 (2005) DOI: 10.1051/0004-6361:20040401 | ||
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Summary: investigate the evolution of oxygen- and carbon-rich AGB stars, post-AGB objects, and planetary nebulae using... one where most OH/IR stars are found. We use a grid of models of post-AGB evolution, which... trajectory in the diagram of the stars that have just left the AGB. Key words. ... |
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Source: Maciel, Walter Junqueira - Department of Astronomy, Institute of Astronomy and Geophysics, Universidade de São Paulo |
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Collection: Physics |
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| 20 | ASTRONOMICAL JOURNAL, 122 : 15381544, September | ||
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Summary: , luminosity central star, consistent a postAGB object that experienced thermal pulse and consequent third... nebulae : individual (K648) : abundances stars : AGB postAGB 1. INTRODUCTION Only the known Galactic... a lifetime the of º4270 postAGB evolutionary models Vassiliadis Wood ... |
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Source: Bianchi, Luciana - Center for Astrophysical Sciences, Johns Hopkins University |
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Collection: Physics |
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| 21 | **FULL TITLE** ASP Conference Series, Vol. **VOLUME**, **YEAR OF PUBLICATION** | ||
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Summary: hydrodynamics simula tions how the spectral energy distribution (SED) of postAGB objects depends on the mass... from AGB to postAGB wind (Reimers 1975; Pauldrach et al. 1988) at a stellar radial pulsation period P... 0 = 50 days which also defines the zero point of the postAGB evolution (see Ste#en et al. 1998 |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 22 | FROM RED GIANTS TO WHITE DWARFS { A RADIATION-HYDRODYNAMICS SIMULATION OF THE | ||
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Summary: by their post-AGB age, and the e#11;ective temperature and luminosity of their central stars. The scale factors... inter- action in a realistic manner, the hydrodynamics of the post-AGB phase leads, if coupled... cooling path is reached where the evolution slows down. The post-AGB evolutionary time scale is ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 23 | ASP Conference Series, Vol. **VOLUME***, **YEAR OF PUBLICATION** **NAMES OF EDITORS** | ||
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Summary: ** From Stardust to Meteorites: the Synthesis of Inorganic and Organic Grains in AGB and Post-AGB Stars... . Infrared spectroscopic observations of the circumstellar en- velopes of AGB and post-AGB stars have... in the spectra of post-AGB stars suggests that organic ... |
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Source: preprints/reprints & other |
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Collection: Physics |
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| 24 | A&A 450, 701714 (2006) DOI: 10.1051/0004-6361:20053553 | ||
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Summary: ) and chemical composition. We estimate the masses of the post-AGB stars by comparing their position in the (log... of post-AGB stars has been used in a systematic way for such a purpose and we argue that, in several... respects, post-AGB stars should be more powerful ... |
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Source: Szczerba, Ryszard - Department of Astrophysics, Centrum Astronomiczne im. M. Kopernika |
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Collection: Physics |
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| 25 | Publications of the Astronomical Society of the Pacific, 118:183204, 2006 February 2006. The Astronomical Society of the Pacific. All rights reserved. Printed in U.S.A. | ||
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Summary: phases, post-AGB stars are surrounded by a planetary nebula (PN), ionized material lost by the precursor... -deficient post-AGB stars (e.g., Heap 1975). Later, the Palomar-Green survey revealed a new spectral class of H... -deficient post-AGB stars, the PG1159 ... |
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Source: Herwig, Falk - Department of Physics and Astronomy, University of Victoria |
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Collection: Physics |
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| 26 | D. Sch onberner & M. Steffen, AIP, Sternphysik, 2002 Sternphysik | ||
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Summary: (Corradi): Location of the central stars in the HR diagram with post AGB evolutionary tracks of Sch... luminosity drop during the advanced postAGB evolution. These recombination haloes, which can be confused... brightness profile, selected at postAGB age of 5303 yrs, from our ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 27 | TOWARD UNDERSTANDING THE B[e] PHENOMENON. I. DEFINITION OF THE GALACTIC FS CMa STARS | ||
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Summary: with intermediate-mass post-AGB stars (see x 4.1) and with sgB[e] due to uncertain luminosity. Note that the only... HAeBe are mostly A-type stars with ``flat'' IR excesses, typical of preYmain- sequence objects... members show weak [O iii] emissions (e.g., MWC 17). Moreover, most ... |
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Source: Miroshnichenko, Anatoly - Department of Physics and Astronomy, University of North Carolina at Greensboro |
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Collection: Physics |
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| 28 | We investigate the nucleosynthesis in combustion events in stellar evolution. These are | ||
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Summary: a nucleosynthesis simulation that reproduces the detailed observed elemental abundances of post-AGB He-shell flash... -solar abundance distribution observed in this shell- flash star (elements like RB, Sr and Y are overabundant... phases of stellar evolution, particularly in stars of very low metal content. #12; |
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Source: Herwig, Falk - Department of Physics and Astronomy, University of Victoria |
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Collection: Physics |
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| 29 | Mon. Not. R. Astron. Soc. 000, 000{000 (2000) Printed 27 October 2000 (MN L A T E X style le v1.4) Bipolar out ows in OH/IR stars | ||
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Summary: out ows during the early post-AGB evolution. A sample of ten OH/IR stars with irregular OH spectra... nebulae (e.g. OH231.8+4.2), bright post-AGB stars (HD 101584) and re ection nebulae (e.g. Roberts 22... : Masers { OH/IR stars { Post-AGB stars { ... |
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Source: Zijlstra, Albert - School of Physics and Astronomy, University of Manchester |
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Collection: Physics |
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| 30 | Bipolar outflows in OH/IR stars Albert A. Zijlstra,1w | ||
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Summary: angular resolution. The sample includes bipolar nebulae (e.g., OH231.814.2), bright post-AGB stars (HD... words: masers ± stars: AGB and post-AGB ± planetary nebulae: general ± infrared: stars. 1 IN T ROD UCTI... -loss, the star heats up rapidly and eventually ... |
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Source: Zijlstra, Albert - School of Physics and Astronomy, University of Manchester |
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Collection: Physics |
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| 31 | Shaping bipolar Planetary Nebulae : How mass loss leads to waistline development. | ||
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Summary: envelopes, whereas most post-AGB stars and Planetary Nebulae (PNe) show ax- isymmetric circumstellar... : stars: AGB and post-AGB -- stars: circumstellar matter -- stars -- evolution -- stars: late... and Marigo 2004). After the SW phase AGB ... |
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Source: Speck, Angela Karen - Department of Physics and Astronomy, University of Missouri-Columbia |
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Collection: Physics |
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| 32 | Highly Energetic Physical Processes and Mechanisms for Emission from Astrophysical Plasmas | ||
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Summary: range and depending on their photospheric composition and interstellar absorption, some post-AGB stars... evo- lution, and interstellar matter. 1. Introduction During their evolution the more massive post-AGB... Compact Stars Thomas Rauch, Jochen L. Deetjen, Stefan Dreizler, Klaus Werner Institut fur ... |
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Source: Deetjen, Jochen - Egon Zehnder International, Stuttgart |
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Collection: Physics |
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| 33 | Abstract for the present project From the Infrared Space Observatory (ISO), we obtained spectra of O-rich AGB stars using | ||
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Summary: obtained observations of post-AGB stars and planetary nebulae using the ISO Long Wavelength Spectrometer... of the species interested. As for the observed CO rotational transitions in post-AGB stars and PNe observed... heating source is due to the stellar chromospheres. ISO-LWS observations of ... |
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Source: Justtanont, Kay - Stockholm Observatory |
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Collection: Physics |
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| 34 | arXiv:astro-ph/0308509v128Aug2003 The UV Upturn: From M32 to Distant Clusters | ||
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Summary: (post-AGB) stars, and non-thermal activity (Greggio & Renzini, 1990). Arguments based upon the fuel... a contribution from either hotter EHB stars and/or a higher contribution from post-AGB stars. 3. UV Images of M32... explained entirely by relatively short-lived ... |
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Source: Buzzoni, Alberto - Osservatorio Astronomico di Bologna |
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Collection: Physics |
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| 35 | Mon. Not. R. Astron. Soc. 000, 1{15 (0000) Printed 1 November 1999 (MN L A T E X style le v1.4) The evolution of a rapidly accreting helium white dwarf to | ||
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Summary: they are the products of single-star or binary-star evolution. Extreme helium stars (EHes) are rare B- and A-type giant... (Jef- fery 1988). Detailed models of thermally-pulsing post-AGB stars (Blocker & Schonberner 1997... older model for a 0:553 M#12; ... |
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Source: Armagh Observatory |
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Collection: Physics |
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| 36 | Through the upper AGB towards a planetary: A hydrodynamical simulation y | ||
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Summary: : Kinematical structures of the initial model (t = 0) for the postAGB evolution, with central star paramenters... 100 000 years of the AGB evolution and the following 5 000 years of postAGB evolution, based... sequence after Bl¨ocker (1995). Time zero marks the beginning of the model's postAGB ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 37 | arXiv:astro-ph/0412183v37Jul2005 Astronomy & Astrophysics manuscript no. paper November 10, 2006 (DOI: will be inserted by hand later) | ||
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Summary: towards the red giant branch (RGB), the AGB, or a post-AGB star, can be ruled out. In this case it would... was not an evolved star, e.g. RGB, AGB, post-AGB. It is either slightly more massive than its B-type compan- ion, i... one may consider that V838 Mon was an A-type main sequence ... |
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Source: Szczerba, Ryszard - Department of Astrophysics, Centrum Astronomiczne im. M. Kopernika |
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Collection: Physics |
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| 38 | Falk Herwig 19 Sept 2007 Progenitor AGB evolution | ||
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Summary: stars and of a lot of post- AGB stars (e.g. L), as well as all properties that enter, e.g. galactic... chemical evolution models 3. How observations of H-deficient post-AGB stars can possibly help to figure... are observed at the surface of H-deficient ... |
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Source: Herwig, Falk - Department of Physics and Astronomy, University of Victoria |
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Collection: Physics |
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| 39 | A&A manuscript no. (will be inserted by hand later) | ||
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Summary: , M'endez, G'omez: Possible star formation in the halo of NGC 253 7 PostAGB B2 O8 B1 B0 Fig. 4... the approximate locus expected for earlytype Population I stars of different types and blue postAGB stars... of NGC 253 being different from globular clusters. 3.3.2. ... |
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Source: Comerón, Fernando - European Southern Observatory, Garching |
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Collection: Physics |
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| 40 | A&A 459, 885899 (2006) DOI: 10.1051/0004-6361:20047075 | ||
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Summary: post-AGB star to a very luminous cool supergiant. Theoretically, this evolution has been associated... in the hydrogen- deficient post-AGB stars, primarily because he considered con- vective overshoot. The two models... with the reignition of a helium-shell during the post-AGB stage. A ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 41 | Abundance analyses of cool extreme helium stars Gajendra Pandey,1P | ||
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Summary: in a single post-AGB star (FF scenario), or a merger of two white dwarfs (DD scenario). Although the FF... : AGB and post-AGB stars: chemically peculiar stars: evolution. P E-mail: pandey... . These lines are much stronger when compared with those observed in early ... |
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Source: Armagh Observatory; Jeffery, Simon - Armagh Observatory |
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Collection: Physics |
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| 42 | Where is the Information Located in Stellar Spectra? Howard E. Bond | ||
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Summary: of a gravity-sensitive filter, including Population II post-AGB stars and the extremely luminous yellow... stars in resolved populations. #12; 8 Fig. 2.-- Wavelength dependence upon temperature changes in A-type... of 500 K, at constant gravity and metallicity in A-type dwarfs. At ... |
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Source: Bond, Howard E. - Space Telescope Science Institute |
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Collection: Physics |
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| 43 | TOWARD UNDERSTANDING THE B[e] PHENOMENON. II. NEW GALACTIC FS CMa STARS1 A. S. Miroshnichenko | ||
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Summary: that these criteria separate FS CMa stars almost uniquely. The only confusion may occur with intermediate-mass post-AGB... to separate post- AGB stars from B[e] stars (x 2); present our initial spectroscopic and photometric... UBVR data (see Table 4). It is ... |
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Source: Miroshnichenko, Anatoly - Department of Physics and Astronomy, University of North Carolina at Greensboro |
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Collection: Physics |
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| 44 | arXiv:astroph/0010120 Convective proton and 3 He ingestion into helium burning | ||
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Summary: on the description of mixing. 1. Introduction About 20 % of all post-AGB stars are hydrogen-de#12;cient. Among them... convective mixing. A group of stars which may be related to the hydrogen-de#12;cient post-AGB stars... : Nucleosynthesis during a post-AGB thermal ... |
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Source: Langer, Norbert - Sterrenkundig Instituut, Universiteit Utrecht |
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Collection: Physics |
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| 45 | 2001 by M. Steffen & D. Sch onberner (AIP) Poster presetnted at IAU Symposium 209 ``Planetary Nebulae: Their Evolution and Role in the Universe'', Canberra, Australia November 19 23 2001 AGB Mass Loss History & | ||
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Summary: the advanced postAGB evolution. These recombination halos, which can be confused with a real AGB halo... dwarf with M = 0:605 M#12; Indicated ages are in 1000 yrs, the postAGB evolution begins at = 0 yrs... Fig. 2) is taken as the starting configuration for our post AGB simulation. Due to the strong ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 46 | c D. Schonberner, R. Jacob, & M. Steffen, AIP, 2005 Stellar Physics | ||
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Summary: surface brightness distributions and emission-line profiles, at post-AGB age t = 6004 yr. The central star... , from about 50 000 K to about 80 000 K. The post-AGB ages of the mod- els are 5 414, 5 788, & 6 445 yrs... and intermediate-mass stars is severely hampered by the fact that the distances to ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 47 | c D. Schonberner, R. Jacob, & M. Steffen, AIP, 2004 On the Expansion Parallaxes of | ||
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Summary: temperature of their central stars, from about 50 000 K to about 80 000 K. The post-AGB ages of the mod- els... (thin line) as well as synthetic surface brightness distributions and emission-line profiles, at post-AGB... of the final evolution of low and intermediate-mass stars is severely hampered by the ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 48 | A&A manuscript no. (will be inserted by hand later) | ||
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Summary: the brightest PNs. Key words: planetary nebulae: general, luminosity function -- stars: postAGB -- galaxies... refer the reader for details. We generate a set of PNs with random postAGB ages and central star masses... tribution, on Hburning postAGB evolutionary tracks, and on ... |
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Source: Méndez, Roberto H. - Institute for Astronomy, University of Hawai'i at Manoa |
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Collection: Physics |
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| 49 | List of publications 1. Decin L., Hony S., de Koter A., Justtanont K., Tielens A.G.G.M., Waters | ||
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Summary: ), 429 : High rotational CO lines in post-AGB stars and PNe 47. Justtanont K., Skinner C.J., Tielens A... Nebula, Dordretch:Kluwer, p. 321 : Mid-IR spectra of AGB and post-AGB stars 50. Fomalont E.B., Goss W... SP-247, p. 345 : CO emission from shock and PDR in C-rich PN and post-AGB ... |
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Source: Justtanont, Kay - Stockholm Observatory |
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Collection: Physics |
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| 50 | THE EXTENDED ATMOSPHERE AND EVOLUTION OF THE RV TAURI STAR, R SCUTI I. Yamamura1 | ||
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Summary: : stars: AGB and post-AGB stars: atmospheres stars: circumstellar matter infrared: stars stars... suggested that these stars are in the post-AGB phase (Jura 1986). Abundance anomaly has been observed... about 2000 ... |
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Source: Yamamura, Issei - Department of Infrared Astrophysics, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency |
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Collection: Physics |
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| 51 | A&A manuscript no. (will be inserted by hand later) | ||
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Summary: Herich stars but atypical, e.g. postAGB evolving star, the total sample consists of 6 standard... . References Hunger K., Groote D., 1993, in: Peculiar versus Normal Phe nomena in Atype and Related Stars... .01.3; 08.03.2) ASTRONOMY AND ASTROPHYSICS 14.1.1998 Research Note ... |
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Source: Armagh Observatory |
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Collection: Physics |
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| 52 | Evolution of PAH Features from Proto-to Planetary Nebulae R. Szczerba | ||
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Summary: of their carriers). Keywords: stars: evolution stars: AGB and post-AGB planetary nebulae: general PACS: 98.38.Ly... objects. However, their sample included only 7 post-AGB objects and 4 planetary nebulae (PNe) with [WR]2... we have determined parameters of UIR band profiles for the largest available ... |
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Source: Szczerba, Ryszard - Department of Astrophysics, Centrum Astronomiczne im. M. Kopernika |
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Collection: Physics |
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| 53 | Baltic Astronomy, vol. 14, XXX--XXX, 2005. NONLTE METAL ABUNDANCES IN V652HER AND HD 144941 | ||
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Summary: helium stars: a postAGB star su#ering from a late thermal pulse, or the merger of two white dwarfs... by postAGB evolution, linking R CrB stars to WolfRayet type cen tral stars of planetary nebulae, see... , are unique among the class members because of ... |
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Source: Jeffery, Simon - Armagh Observatory |
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Collection: Physics |
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| 54 | Baltic Astronomy, vol. 14, XXXXXX, 2005. NON-LTE METAL ABUNDANCES IN V652 HER AND HD 144941 | ||
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Summary: helium stars: a post-AGB star suffering from a late thermal pulse, or the merger of two white dwarfs... by post-AGB evolution, linking R Cr B stars to Wolf-Rayet type cen- tral stars of planetary nebulae, see... , are unique among the class members because of surface ... |
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Source: Armagh Observatory |
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Collection: Physics |
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| 55 | +40 +30 +20 +10 0 -10 -20 -30 -40 Galactic longitude in degrees | ||
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Summary: , explicitly excluding the regions occupied by the reddest OH/IR stars and post-AGB objects. In addition, we... al. (2001) SUMMARY: We have searched color-selected AGB stars from the ISOGAL and MSX mid-IR surveys... O masers instantaneously reveal the line-of-sight velocity of the stars, which in combination ... |
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Source: Sjouwerman, Loránt - National Radio Astronomy Observatory |
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Collection: Physics |
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| 56 | ASP Conference Series, Vol. **VOLUME**, **PUBLICATION YEAR** **EDITORS** | ||
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Summary: of these conference proceedings. 2. Extreme Helium Stars Extreme helium stars (EHes) are rare B- and A-type giant... the star to expand to become a cool giant. Subsequent evolution would follow the canonical post-AGB... , subsequent evolution would resemble the canonical ... |
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Source: Armagh Observatory; Jeffery, Simon - Armagh Observatory |
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Collection: Physics |
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| 57 | arXiv:astro-ph/0202167v17Feb2002 ASP Conference Series, Vol. **VOLUME**, **PUBLICATION YEAR** | ||
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Summary: -limited nucleosynthetic process as encountered, for instance, during the very late thermal pulse of post-AGB stars. We... YEAR** **EDITORS** Could SiC A+B grains have originated in a post-AGB thermal pulse? Falk Herwig... - tors such as the details of mixing during the post-AGB thermal pulse, the rates of ... |
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Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences |
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Collection: Physics |
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| 58 | Mon. Not. R. Astron. Soc. 000, ??{?? (2002) Printed 2 May 2003 (MN L A T E X style le v2.2) Near-Infrared spectroscopy of (Proto)-Planetary Nebulae | ||
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Summary: -rippled and corrected for telluric absorption e#11;ects using an F- or A-type sub-giant or dwarf standard star spectrum... to pho- toionise the ejected AGB envelope (massive post-AGB stars are thought to evolve from F0 to B1... ), particularly in the inner core regions and along the inner edges of the ... |
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Source: Armagh Observatory |
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Collection: Physics |
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| 59 | Asymmetric Planetary Nebulae III ASP Conference Series, Vol. XXX, 2004 | ||
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Summary: normal AGB and post-AGB stars, and is of relevance to this conference. Light-echo imaging allows... of dust shells around AGB and post-AGB stars. We are still early in the development of the echoes. A rough... star V838 Monocero- tis is being accompanied by the most spectacular display ... |
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Source: Bond, Howard E. - Space Telescope Science Institute |
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Collection: Physics |
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| 60 | LATE STAGES OF STELLAR EVOLUTION JORIS A. D. L. BLOMMAERT1, | ||
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Summary: of the rotational line spectra of CH and CH+. Keywords: Infrared: stars, Stars: AGB and post-AGB, Stars: atmospheres... : Asymptotic Giant Branch (AGB) stars, post-AGB objects, planetary nebulae, novae, symbiotic stars and Wolf... more components ... |
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Source: Szczerba, Ryszard - Department of Astrophysics, Centrum Astronomiczne im. M. Kopernika |
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Collection: Physics |
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| 61 | Organic Matter in Space Proceedings IAU Symposium No. 251, 2008 | ||
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Summary: or post-AGB star embedded in a small dark cloud, even though we have no clear idea about why an AGB/post-AGB... of molecular radio lines, although SiO maser sources are usually identified as oxygen-rich evolved stars... -rich evolved star, but its evolutional status is still ... |
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Source: Nakashima, Jun-ichi - Department of Physics, Hong Kong University |
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Collection: Physics |
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| 62 | ccsd-00003364,version2-28Nov2004 Astronomy & Astrophysics manuscript no. 1553.hyper3208 November 28, 2004 (DOI: will be inserted by hand later) | ||
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Summary: of AGB and post-AGB carbon stars from mid-infrared observations E. Lagadec1, D. M´ekarnia1, J.A. de... -infrared images of a sample of AGB and post-AGB carbon stars (V Hya, IRC +10216, CIT 6 and Roberts 22) obtained... of Roberts 22 and IRC +10216. Key words. Stars: AGB and ... |
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Source: Ecole Polytechnique, Centre de mathématiques |
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Collection: Mathematics |
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| 63 | ccsd00003364, Astronomy & Astrophysics manuscript no. 1553 November 28, 2004 | ||
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Summary: of AGB and post-AGB carbon stars from mid-infrared observations ? E. Lagadec 1 , D. M#19;ekarnia 1 , J... Abstract. First mid-infrared images of a sample of AGB and post-AGB carbon stars (VHya, IRC +10216, CIT 6... of Roberts 22 and IRC +10216. Key words. Stars: AGB and ... |
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Source: Ecole Polytechnique, Centre de mathématiques |
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Collection: Mathematics |
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| 64 | A&A 377, 90103 (2001) DOI: 10.1051/0004-6361:20010858 | ||
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Summary: : interferometric stars: mass loss stars: AGB and post-AGB 1. Introduction The evolution of intermediate mass... planetary nebulae (PNe) is gradu- ally being understood. Post-AGB objects are surrounded by envelopes of gas... is an excellent candidate for study of stellar evolution during the early ... |
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Source: Monnier, John D. - Department of Astronomy, University of Michigan |
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Collection: Physics |
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| 65 | A&A 387, 10221031 (2002) DOI: 10.1051/0004-6361:20020391 | ||
|
Summary: from molecules. RV Tau stars are commonly considered as post-AGB stars. While a detached dust envelope... words. stars: AGB and post-AGB stars: atmospheres stars: circumstellar matter infrared: stars... considered to ... |
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Source: Zijlstra, Albert - School of Physics and Astronomy, University of Manchester |
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Collection: Physics |
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| 66 | Planetary Nebulae in our Galaxy and Beyond Proceedings IAU Symposium No. 234, 2006 | ||
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Summary: AGB and postAGB stars using the ZEUS3D code. However, radiation transfer is not included... . 3.2. The first 3000 years of postAGB evolution After the star has evolved o# the AGB due... years of postAGB evolution. Top left to bottom right: position of the central ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 67 | ASP Conference Series, Vol. **VOLUME**, **PUBLICATION YEAR** **EDITORS** | ||
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Summary: luminosity suggests that it lies on a post-AGB evolution track. The cool star is a giant with a mass > 1M#12... thus consist of a hot post-AGB star and a more massive rapidly-rotating cool companion. Signi#12;cantly... outer envelope, the primary can no longer sustain shell hydrogen burning and so enters ... |
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Source: Jeffery, Simon - Armagh Observatory |
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Collection: Physics |
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| 68 | Planetary Nebulae in our Galaxy and Beyond Proceedings IAU Symposium No. 234, 2006 | ||
|
Summary: evolution of circumstellar gas envelopes around AGB and post-AGB stars using the ZEUS-3D code. However... Figure 1. Snapshot from a model sequence with a central star of 0.595 M , after 2600 years of post-AGB... . The essential physical ingredients for the modeling of planetary nebulae are (i) AGB and ... |
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|
Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 69 | arXiv:0806.2658v1[astro-ph]16Jun2008 To appear in the Astrophysical Journal | ||
|
Summary: to join the standard red-clump stars. Subject headings: stars: AGB and Post-AGB; stars: mass... stars, further complemented by a minority contribution from post-AGB PN nuclei. Still, facing... morphology Observations of local star samples show ... |
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|
Source: Buzzoni, Alberto - Osservatorio Astronomico di Bologna |
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Collection: Physics |
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| 70 | Formation and Evolution of Planetary Nebulae D. Schonberner and M. Steffen | ||
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Summary: 1 5 10 Time [1000 yr] PostAGB AGB 1 2 3 Oxygen Star: M =3.0, M f =0.605 (RGev605/ic24) 1 10 100 l... ) for the postAGB evolution, with central star paramenters L = 6310 L fi , T eff = 6053 K, and R = 72:5 R fi... velocities from 5 to 25 km/s. During the postAGB contraction, ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 71 | PAHs and crystalline silicates in the bipolar post-AGB star IRAS 16279-4757 12 | ||
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Summary: PAHs and crystalline silicates in the bipolar post-AGB star IRAS 16279-4757 12 M. Matsuura1 , A... . Koike8 , L.P. Keller10 ABSTRACT IRAS 16279-4757 belongs to a group of post-AGB stars showing both PAH... 44179. Subject headings: stars: AGB and post-AGB, circumstellar ... |
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Source: Zijlstra, Albert - School of Physics and Astronomy, University of Manchester |
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Collection: Physics |
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| 72 | Observations of the UVBright Star in 47 Tucanae with the Hopkins Ultraviolet Telescope | ||
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Summary: = 3:07 \Sigma 0:20. These atmospheric parameters place the star on the Sch¨onberner postAGB... evolved HB, postHB, and postAGB stars. Fewer than 50 globularcluster UVbright stars are known... , and of these only 13--16 are luminous enough to be postAGB ... |
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Source: Henry, Richard C.- Department of Physics and Astronomy, Johns Hopkins University |
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Collection: Physics |
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| 73 | Baltic Astronomy, vol. 14, XXX--XXX, 2005. IMPROVED HE LINE FORMATION FOR EHE STARS | ||
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Summary: by postAGB evolution, linking R CrB stars to WolfRayet type central stars of planetary nebulae, see... gravities too large for postAGB evolution and they show atypical surface abundances. #12; 2 Przybilla... Baltic Astronomy, vol. 14, XXX--XXX, 2005. IMPROVED HE LINE FORMATION FOR EHE ... |
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Source: Jeffery, Simon - Armagh Observatory |
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Collection: Physics |
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| 74 | Baltic Astronomy, vol. 14, XXXXXX, 2005. IMPROVED HE LINE FORMATION FOR EHE STARS | ||
|
Summary: by post-AGB evolution, linking R Cr B stars to Wolf-Rayet type central stars of planetary nebulae, see... have gravities too large for post-AGB evolution and they show atypical surface abundances. #12... Baltic Astronomy, vol. 14, XXXXXX, 2005. IMPROVED HE LINE FORMATION FOR EHE STARS ... |
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Source: Armagh Observatory |
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Collection: Physics |
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| 75 | Planetary Nebulae in our Galaxy and Beyond Proceedings IAU Symposium No. 234, 2006 | ||
|
Summary: : general -- stars: AGB and postAGB 1. Introduction Despite its use for nearly 20 years, the physical basis... Figure 1. Predicted evolution of M(5007) vs. stellar e#ective temperature (left) and postAGB age (right... the whitedwarf domain is reached, for various centralstar models coupled to di#erent ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 76 | Planetary Nebulae in our Galaxy and Beyond Proceedings IAU Symposium No. 234, 2006 | ||
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Summary: transfer planetary nebulae: general stars: AGB and post-AGB 1. Introduction Despite its use for nearly... No. 22 Figure 1. Predicted evolution of M(5007) vs. stellar effective temperature (left) and post-AGB... -Russell diagram until the white-dwarf domain is reached, for various central-star models ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 77 | FROM THE TIP OF THE AGB TOWARDS A PLANETARY: A HYDRODYNAMICAL SIMULATION | ||
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Summary: : Kinematic structures of the initial model (t = 0) for post--AGB evolution, with central star parameters L... of the observed post--AGB stars appears to be cooler than 5000 K, as is also predicted by Bl¨ocker's models. #12; ... and the following 5 000 years of post-- ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 78 | A&A 414, 9931015 (2004) DOI: 10.1051/0004-6361:20031653 | ||
|
Summary: nebulae: general stars: AGB and post-AGB 1. Introduction The importance of a stellar wind to explain... AGB and post-AGB stars. Their approach is based on the evolutionary models of Vassiliadis & Wood (1993... envelope as the post-AGB star evolves. There are ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 79 | THE SEQUENCE OF MASS-LOSING AGB STARS IN THE MAGELLANIC CLOUDS | ||
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Summary: to post-AGB stars P.R. Wood Research School of Astronomy and Astrophysics, Australian National University... ;450-600 days until the AGB envelope is dissipated and the star becomes a post-AGB star (Wood and Cohen 2001... `ebre, C. Waelkens (ASP: San Francisco), p. 151 Wood P.R., Cohen M., ... |
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Source: Wood, Peter - Mt. Stromlo Observatory & Research School of Astronomy and Astrophysics, Australian National University |
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Collection: Physics |
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| 80 | DISKLIKE STRUCTURE IN THE SEMIREGULAR PULSATING STAR X HERCULIS Jun-ichi Nakashima1 | ||
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Summary: -- stars: AGB and post-AGB -- stars: imaging -- stars: individual (X Herculis) -- stars: late-type -- stars... : mass loss 1. INTRODUCTION A nonnegligible number of asymptotic giant branch (AGB)/ post-AGB stars... that this ... |
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Source: Nakashima, Jun-ichi - Department of Physics, Hong Kong University |
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Collection: Physics |
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| 81 | THE PROMISE FOR AGB STARS: PHYSICS AND CHEMISTRY OF THE INNER CIRCUMSTELLAR ENVELOPE, AND THE MASS LOSS HISTORY | ||
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Summary: seen towards early post-AGB objects, planetary nebulae, Herbig Ae/Be stars, and Herbig-Haro objects... -CSEs and their successors, the envelopes around young post-AGB objects and PNe. The chemistry in the inner CSE may be quite... - ture has been observed at 62 µm in evolved AGB and young post-AGB objects, ... |
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Source: Kerschbaum, Franz - Institut für Astronomie, Universität Wien |
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Collection: Physics |
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| 82 | Astron. Astrophys. 348, 940944 (1999) ASTROPHYSICS | ||
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Summary: and post-AGB stars: white dwarfs ul- traviolet: stars 1. Introduction The continuing spectroscopic... complete anal- ysis of all known H-deficient post-AGB stars, resulting in ac- curate determinations... stars in the log Teff log g diagram compared with ... |
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Source: Deetjen, Jochen - Egon Zehnder International, Stuttgart |
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Collection: Physics |
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| 83 | Astronomy & Astrophysics manuscript no. 7437 c ESO 2007 July 24, 2007 | ||
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Summary: : general planetary nebulae: individual stars: AGB and post- AGB 1. Introduction Since the pioneering... , and investigated the dependence on star formation rate, post-AGB transition time and initial-final mass relation... . The whole object consists of a rapidly evolving ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 84 | A&A manuscript no. (will be inserted by hand later) | ||
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Summary: : evolution -- stars: AGB and post--AGB -- white dwarfs -- Ultra violet: stars 1. Introduction The continuing... analysis of all known Hdeficient postAGB stars, re sulting in accurate determinations of the effective... . Location of the program stars in the log ... |
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|
Source: Deetjen, Jochen - Egon Zehnder International, Stuttgart |
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Collection: Physics |
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| 85 | The Infrared Emission Features in the spectrum of WR 48a | ||
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Summary: are represented by the post-AGB star HD 44179; C, C , C are represented by the post-AGB star IRAS 13416... .8 and > 8.62 µm (classes B, B , and B , respectively). Finally, two post AGB stars, that exhibit features... , some ... |
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Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution, |
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Collection: Biology and Medicine ; Environmental Sciences and Ecology |
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| 86 | A&A 441, 573588 (2005) DOI: 10.1051/0004-6361:20053108 | ||
|
Summary: : general stars: AGB and post-AGB 1. Introduction Our understanding of the final evolution of low... the central star becomes hot enough to ionize and heat the AGB-wind matter after 2000 yr of post-AGB evolution... of the central stars in a log g - log Teff diagram of ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 87 | Spectrophotometric Evolution The spectrophotometric evolution of a galaxy can be modeled given two kinds of information | ||
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Summary: . SPECTROPHOTOMETRIC EVOLUTION 5. Asymptotic giant branch (AGB) -- H and He shell burning, along Hayashi line; 6. PostAGB... given two kinds of information: (1) the galaxy's history of star formation, and (2) the photometric... properties of main sequence and postmainsequence stars. For example, suppose that for each ... |
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Source: Barnes, Joshua Edward - Institute for Astronomy, University of Hawai'i at Manoa |
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Collection: Physics |
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| 88 | Is the Extended Red Emission due to CO? Philip D. Bennett, Graham M. Harper, and Alexander Brown | ||
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Summary: number of galactic sources, including reflection nebulae, postAGB stars, planetary nebulae, high... with the peculiar postAGB binary star HD 44179. We propose a novel mechanism to account for the ERE: the decay... emission features near 2100 A. HD 44179 is a peculiar postAGB ... |
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Source: Harper, Graham - Department of Astrophysics, Trinity College, Dublin |
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Collection: Physics |
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| 89 | University, Theoretically, | ||
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Summary: - ment of T eff , log g, L bol , abundances, wind velocity and mass loss rate for these post-AGB stars... , metallicity a#11;ects several aspects of the post-AGB evolution, including mass loss and the yield... . These parameters are needed to model the nebular dynamics and evolution, and constrain post-AGB ... |
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|
Source: Bianchi, Luciana - Center for Astrophysical Sciences, Johns Hopkins University |
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Collection: Physics |
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| 90 | ASP Conference Series, Vol. **VOLUME**, **PUBLICATION YEAR** **EDITORS** | ||
|
Summary: by their post-AGB age, and the e#11;ective tem- perature and luminosity of their central stars. The scale factor... manner, the hydrodynamics of post-AGB wind envelopes leads to den- sity structures and velocity #12;elds... dwarf cooling path is reached where the evolution virtually stops. The post-AGB ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 91 | Hydrogen-Deficient Stars ASP Conference Series, Vol. 391, c 2008 | ||
|
Summary: are indicating that FG Sge is a post-AGB star of 0.6 M which #12;FG Sge, V605 Aql, Sakurai Facts and Fictions... , and Sakurai's object set the benchmark for all theorists who want to model post-AGB evolution through late... of AGB and post-AGB evolution predicts, if mass loss is taken into account, that ... |
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Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 92 | A&A manuscript no. (will be inserted by hand later) | ||
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Summary: of a fast radiation-driven wind ejected in the post-AGB phase by the stellar remnant with the slowly... ). The model is fol- lowed along the 0.605 M #12; post-AGB evolutionary track of Blocker (1995), assuming... to indicate the evolutionary speed, is shown in Fig. 4. It should be noted that this post-AGB model continues |
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|
Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 93 | arXiv:0807.2899v1[astro-ph]18Jul2008 Astronomy & Astrophysics manuscript no. ms c ESO 2008 | ||
|
Summary: ABSTRACT Context. Water fountain stars are very young post-AGB stars with high velocity water maser jets... the very low 12 CO/13 CO line ratio. Key words. stars: AGB and post-AGB (stars:) circumstellar matter... ) detected via their H2O masers. They could be ... |
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Source: Nakashima, Jun-ichi - Department of Physics, Hong Kong University |
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Collection: Physics |
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| 94 | INTRODUCTORY REVIEW: PROTOPLANETARY NEBULAE | ||
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Summary: . A more general term ``post AGB stars'' can be used to refer to these objects. 2. THE SEARCH FOR PROTO... in the postAGB phase of evolution. Highlatitude luminous stars: A number of highlatitude yellow super... infrared excesses and have been suggested to be ... |
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Source: preprints/reprints & other |
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Collection: Physics |
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| 95 | 28 OBSERVATIONAL TESTS Mass-Luminosity Relation | ||
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Summary: ), there is good agreement. For post-AGB (only 1 star), there are too few stars to do a meaningful test. #12... calculations as correct. #12;3 Hertzsprung Gap According to the models, the higher-mass stars ought to evolve... so quickly from the MS to the RGB that few stars should be seen ... |
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|
Source: Sitko, Michael L. - Department of Physics, University of Cincinnati |
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Collection: Physics |
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| 96 | PASJ: Publ. Astron. Soc. Japan 55, 229246, 2003 February 25 c 2003. Astronomical Society of Japan. | ||
|
Summary: -infrared images, a majority of the sample are AGB or post-AGB stars, although dense cores in the star... candidates for post-AGB stars: IRAS 18450-0148 (W 43A), and 19312+1950. We found that the intensity ratios... : kinematics and dynamics -- masers -- stars: AGB and ... |
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|
Source: Nakashima, Jun-ichi - Department of Physics, Hong Kong University |
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|
Collection: Physics |
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| 97 | Millimeter Continuum Observations of Stars Roberto Pallavicini 1 and Stephen M. White 2 | ||
|
Summary: late stages of evolution (AGB and postAGB stars). These are objects in which a rich spectrum... a significant contribution to the radio emission (Miras, and AGB and postAGB stars). All these are potentially... (at levels as high as ß 500 \Gamma 1500 mJy) is observed in AGB and ... |
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|
Source: Osservatorio Astronomico Di Palermo, Giuseppe S. Vaiana |
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Collection: Physics |
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| 98 | Millimeter Continuum Observations of Stars Roberto Pallavicini 1 and Stephen M. White 2 | ||
|
Summary: late stages of evolution (AGB and postAGB stars). These are objects in which a rich spectrum... in which dust may make a significant contribution to the radio emission (Miras, and AGB and postAGB stars... and postAGB stars (including protoplanetary nebulae): ... |
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|
Source: White, Stephen - Department of Astronomy, University of Maryland at College Park |
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|
Collection: Physics |
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| 99 | Probing the Massloss History at the Tip of the AGB by Planetary Nebulae DETLEF SCHNBERNER 1 , RALF JACOB 1 , GERALD HILDEBRANDT 1 , | ||
|
Summary: to a few 10 3 years necessary to explain the cooler postAGB stars with strong infrared dust emission... Astronomique, 11, rue de l'Université, 67000 Strasbourg, France The severe mass loss which stars of low... is the mass loss at the tip of the AGB during the star's transition from, say, 3000 K to about ... |
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|
Source: Astrophysikalisches Institut Potsdam, Stellar Physics Group |
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Collection: Physics |
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| 100 | Nature 419 (2002), 904906 (issue 31 October) A stellar relic | ||
|
Summary: -asymptotic giant branch (post-AGB) stars10£ 11. However, extensive stud- ies have revealed that their observed... below so- lar ([Zn/H] 78¤ 2¦ 7). We also note that these post- AGB stars occupy a stellar physical... . Fur- thermore, typically many lines in the spectra of ... |
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|
Source: Korn, Andreas - Uppsala Astronomical Observatory |
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Collection: Physics |
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