Summary:  Astronomical Observations to Fundamental Studies 2.1 The 2175 °A Feature The dominant "spectroscopic feature... " is the so-called "extinction bump" at -1 = 4.6 µm-1 , or = 2175 °A. The shape of the feature is well... at least part of the 2175 °A absorption ...

Source: Draine, Bruce T. - Department of Astrophysical Sciences, Princeton University Observatory

Collection: Physics

Summary:  . The extinction feature at '2175°A ' seems to shift c 2010 RAS, MNRAS 000, ??­?? #12;Interstellar Dust Models... for the composite dust grains to reproduce the UV bump at '2175°A ' of interstellar extinction curves whereas... (DDA) for extinction efficiencies of ...

Source: Inter University Centre for Astronomy and Astrophysics (IUCAA), India

Collection: Physics

Summary:  of the dust. For example, graphite interacts strongly with light near 2175 °A. The existence of the bump, it... component of interstellar dust. Another possible source of 2175 °A feature may be polycyclic aromatic... and largest for SMC. On the Milky Way curve is a ...

Source: Prosen, Tomaž - Department of Physics, University of Ljubljana

Collection: Physics

Summary:  the '2175°A ' feature. Voshchinnikov (1990) and Gupta et al. (2005) had found variation in the '2175°A ' fea... to be the carrier of the interstellar 2175°A feature ­ a natural extension of graphite hypothesis (Draine, 2003b... . The ...

Source: Inter University Centre for Astronomy and Astrophysics (IUCAA), India

Collection: Physics

Summary:  the far-UV extinction is UV-steeper, and has a smaller 2175°A "bump", than the Galaxy and other LMC... found a MW-type curve but possibly a weaker 2175°A feature (Bianchi et al. 1996), and LMC... feature at 2175°A (Fig. 4), and there- fore the overall absorption ...

Source: Bianchi, Luciana - Center for Astrophysical Sciences, Johns Hopkins University

Collection: Physics

Summary:  are clues to both the radiation produced by stellar populations and the effect of gas and dust... -wavelength observations requires the consistent modelling of the emission by stars, gas and dust. In this thesis, we... , such as star forma- tion rate, stellar mass and dust content. This model relies on an existing angle- averaged

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  on to say "and then there was dust to muck things up." P.G. Martin, "Astrophysics of Dust", 2004 iii tel... properties of the gas and dust. We especially focus our study on low-metallicity galaxies of the Local... differ significantly from those of massive galaxies and that the dust-to-gas mass ratio (D

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  Review Article Dust cycle: An emerging core theme in Earth system science Yaping Shao a, , Karl... : Received 23 May 2010 Revised 3 February 2011 Accepted 3 February 2011 Keywords: Dust Dust cycle Aeolian... processes Energy cycle Carbon cycle Climate change a b s t r a c t The dust cycle is an integral part

Source: Yoon, Soon-Chang - School of Earth and Environmental Sciences, Seoul National University

Collection: Geosciences ; Environmental Sciences and Ecology

Summary:  rise with À1 ( is wavelength) and the absence of the 2175 A° hump (Lequeux et al. 1982; Pre´vot et al... cloud are presented in xx 4.2­4.5. In x 4.6 we discuss the 2175 A° extinction hump predicted from... ° carbonaceous grains comprise only ½C=HPAH % 0:2 ppm, consistent with nondetection of the ...

Source: Draine, Bruce T. - Department of Astrophysical Sciences, Princeton University Observatory; Li, Aigen - Department of Physics and Astronomy, University of Missouri-Columbia

Collection: Physics

Summary:  #12;Information Circular 9465 Handbook for Dust Control in Mining By Fred N. Kissell, Ph. D. U... ....................................................................................................................................................... 1 Chapter 1.--Dust control methods in tunnels and underground mines... ...

Source: Saylor, John R. - Department of Mechanical Engineering, Clemson University

Collection: Engineering

Summary:  JOURNAL OF GEOPHYSICAL RESEARCH, VOL. ???, XXXX, DOI:10.1029/, Desert dust aerosol age... to dust aerosols an efficient method4 to track tracer age (time since emission) as a function of space... a mass-age tracer through8 the same algorithms that the host models use to predict tracer mass9 processes

Source: Zender, Charles - Department of Earth System Science, University of California, Irvine

Collection: Geosciences

Summary:  Desert dust aerosol age characterized by massage tracking of tracers Qin Han1 and Charles S. Zender... . [1] We introduce and apply to dust aerosols an efficient method to track tracer age (time since... 's function techniques. MAT sends a massage tracer through the same algorithms that the host models use

Source: Zender, Charles - Department of Earth System Science, University of California, Irvine

Collection: Geosciences

Summary:  transfer in optically thick distributions of stars and dust. Searches have been made for the 2175 °A... .1 ± 0.9, including an extinction bump at 2175 °A. 3. SPECTROSCOPY OF DUST The composition... , and determine the strength and shape of the ...

Source: Draine, Bruce T. - Department of Astrophysical Sciences, Princeton University Observatory; Reipurth, Bo - Institute for Astronomy, University of Hawai'i at Manoa

Collection: Physics

Summary:  optical counterparts. Are these "dark bursts" at very high redshift or dust obscured? #12;Mosaic of hosts... Lecture outline (1): dust in the ISM ·How do we characterise dust in the ISM? - Extinction curve... properties · How do we infer the presence of dust in local galaxies - Routly ...

Source: Herwig, Falk - Department of Physics and Astronomy, University of Victoria

Collection: Physics

Summary:  in host galaxy properties was found between the radio galaxies with clumpy dust and those without. Where... & Riley (FR) classiÐcation of the source. The dust in FR I host galaxies is generally situated in sharply... , the radio source lies nearly perpendicular to the dust disk. In ...

Source: Best, Philip - Institute for Astronomy, Royal Observatory Edinburgh, University of Edinburgh

Collection: Physics

Summary:  heavily shrouded in dust. The pretty pictures of galaxies with the sweeping spiral arms could be only... showing the frosting on a hidden cake. Figure II: The famous horse- head nebula, a cloud of dust... backlighted by glowing gas in Orion. For some time it has been known that dust ­or more accurately smoke

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  dust event with SEVIRI on Meteosat-8 First Published on: 14 March 2007 To cite this Article: Li, J... ., Zhang, P., Schmit, T. J., Schmetz, J. and Menzel, W. P. , 'Quantitative monitoring of a Saharan dust... monitoring of a Saharan dust event with SEVIRI on Meteosat-8 J. LI*{, P. ZHANG{, T. J. SCHMIT§, J. SCHMETZ

Source: Li, Jun - Space Science and Engineering Center, University of Wisconsin at Madison

Collection: Geosciences

Summary:  and Antarctica Covariant Glacial-Interglacial Dust Fluxes in the www.sciencemag.org (this information is current... /5872/93#otherarticles 1 articles hosted by HighWire Press; see:cited byThis article has been http... ). In the case of IR dimming of SN Ia, models invoking spherical (or "gray") dust show that the extinction

Source: McGee, David - Lamont-Doherty Earth Observatory, Columbia University

Collection: Geosciences

Summary:  ** Extra-planar Dust as a Tracer of Cold Dense Gas in the Thick Disks of Spiral Galaxies J. Christopher... quantities of dust. Most of our knowledge of extra-planar dust in disk galaxies comes from direct broadband... optical imaging of these systems, wherein the dust is identified due to the irregular ...

Source: Howk, Jay Christopher - Department of Physics, University of Notre Dame

Collection: Physics

Summary:  properties of host galaxies (mass, star-- formation rate, metallicity, dust) using archival multiformation... 1 Constraining SN Ia Host Galaxy Properties Using Multi-wavelength Photometry Ravi GuptaRavi Gupta... would like to:would like to: ·· Study physical properties of host galaxies (mass, starStudy ...

Source: Collar, Juan I. - Kavli Institute for Cosmological Physics, Laboratory for Astrophysics and Space Research, Enrico Fermi Institute, University of Chicago

Collection: Physics

Summary:  . All rights reserved. Printed in U.S.A. THE PHYSICAL BASIS FOR THE SILICATE DUST SEQUENCE M. P. EGAN1... transfer models of circumstellar dust shells, we explore the physical origins of the variety of shapes... of the 10 km silicate feature seen in the spectra of oxygen-rich circumstellar dust shells. In order

Source: Sloan, Gregory C. - Department of Astronomy, Cornell University

Collection: Physics

Summary:  is distributed under the Creative Commons Attribution 3.0 License. Annales Geophysicae Dust specific extinction... - surements, from a MFR sun photometer operating in Athens, were compared with columnar dust loading... estimations, from the BSC-DREAM model, during identified dust events, in order to extract the typical specific

Source: Fridlind, Ann - Earth Science Division, NASA Ames Research Center

Collection: Environmental Sciences and Ecology

Summary:  to host star formation (Panuzzo et al. 2007) and so dust is likely to be in cool clouds more typical... . A constraint on dust grain lifetime in early-type galaxies M. S. Clemens1, A. P. Jones2, A. Bressan1,3, M. Baes... early-type galaxies (ETGs) provide an ideal laboratory for studying the interplay between ...

Source: Arcetri Osservatorio Astrofisico di (Italy),

Collection: Physics

Summary:  features are seen other than the well-known 2175 A° bump. Subject headings: dust, extinction -- ISM: lines... -IR emis- sion continuum, the extended red emission (ERE), the 2175 A° absorption bump, and the continuous... models also suggest that PAHs are at least partially responsible ...

Source: NASA Ames Research Center, Astrochemistry Laboratory

Collection: Physics

Summary:  diagnostic information on the dust com- position. Based on the observed 2175 A° extinction hump... the 2175 A° extinction hump, while the HAC model attributes the 2175 A° hump to OHÀ ions on the surfaces... MID-INFRARED SPECTROPOLARIMETRIC ...

Source: Li, Aigen - Department of Physics and Astronomy, University of Missouri-Columbia

Collection: Physics

Summary:  and Physics Development and evaluation of an operational SDS forecasting system for East Asia: CUACE/Dust C. H... : 18 January 2008 ­ Published: 18 February 2008 Abstract. CUACE/Dust, an operational mesoscale sand... and dust storm (SDS) forecasting system for East Asia, has been developed by online coupling a ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  of a circumstellar debris disk is developed and applied to observations of the circumstellar dust orbiting Pictoris... . The model accounts for the rates at which dust is produced by collisions among unseen planetesimals... , and the rate at which dust grains are destroyed due to collisions. The model also accounts for the ...

Source: Hahn, Joseph M. - Space Science Institute (SSI)

Collection: Physics

Summary:  Potential Environmental Impacts of Dust Suppressants: "Avoiding Another Times Beach" An Expert... of dust suppressant and carrier solvent. L. Consumption of contaminated groundwater. M. Downwind N... . Ingestion of dust suppressant constituents by humans. drift of spray off-site during application. Example

Source: Piechota, Thomas C. - Department of Civil and Environmental Engineering, University of Nevada at Las Vegas

Collection: Environmental Sciences and Ecology ; Engineering

Summary:  ). Preferential loss of mica, which is the likely host for dust-derived Nd, can explain both of these observations... PII S0016-7037(01)00575-0 Accretion of Asian dust to Hawaiian soils: Isotopic, elemental... of parent material plus atmospheric inputs, including sea salt aerosols and Asian dust. We use soil

Source: Derry, Louis A. - Department of Earth and Atmospheric Sciences, Cornell University

Collection: Geosciences

Summary:  disease remain largely unknown. One factor that has been suggested to affect both the host... and the pathogen is the input of wind-borne dust into Caribbean ecosystems (Shinn et al. 2000, Hayes et al. 2001... , Garrison et al. 2003). The transport of dust from Africa to the Atlantic and Caribbean via trade winds has

Source: Harvell, Catherine Drew - Department of Ecology and Evolutionary Biology, Cornell University

Collection: Environmental Sciences and Ecology

Summary:  -rays are not obscured by dust. Hence a sample of GRB host galaxies may be considered star-formation-selected inde... . For the redshift of GRB 000926 (as for that of GRB 000301C) the interstellar extinction bump at 2175 °A is shifted... expect a prominent extinction bump at 2175 ...

Source: Greiner, Jochen - Max-Planck Institut für extraterrestrische Physik

Collection: Physics

Summary:  -purpose computer designed for gravitational N-body problems. The collective behaviour of dust particles, which... of a dusty plasma simulation, we have calculated movement of dust particles in plasmas under microgravity... conditions. In this simulation, a dust-free region called the "void" is observed in the ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  as a central engine and present an evolu- tionary model for these dust-enshrouded star formation regions... . From the simulations it is found that the dust surrounding the starburst region is made up from two... components. There is a low optical depth (&' 0 1, which cor- responds to 0.1% of the total dust mass), hot (T

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  by galactic outflow and grey in nature. The effect of evolution in the dust content of the host galaxies... 1 Introduction: The dust content of spiral galaxies "Surely, there is a hole in the heavens!" Sir... William Herschel (1785) 1.1 Introduction Dust extinction alters our perception of light from ...

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  , the presence of prominent dust features in an ETG significantly increases its chances of hosting both more star... July 2011 (MN LATEX style file v2.2) Galaxy Zoo: Dust and molecular gas in early-type galaxies... with prominent dust lanes Sugata Kaviraj1,2 , Yuan Sen Ting2,3 , Martin Bureau2 , Stanislav S. ...

Source: Bureau, Martin - Department of Physics, University of Oxford

Collection: Physics

Summary:  ). Unlike a relatively narrow interstellar dust feature at 2175 š A, usually attributed to graphite, one... DISCOVERY OF A 6.4 ¯m DUST FEATURE IN HYDROGEN­POOR PLANETARY NEBULAE 1 J. Patrick Harrington... their infrared (IR) spectra. A 6.4 ¯m dust feature is present instead in the IR ...

Source: Harrington, J. Patrick - Department of Astronomy, University of Maryland at College Park

Collection: Physics

Summary:  -photometry, Triangles: UKIRT JHK-photometry explained as being due to dust extinction in the GRB host galaxy. In order... (1992) 0.91 -0.70 ± 0.09 0.09 ± 0.04 strength of the 2175 °A extinction feature, prominent for the MW... , the abundance of heavy elements and the com- position of the ...

Source: Greiner, Jochen - Max-Planck Institut für extraterrestrische Physik

Collection: Physics

Summary:  1985; Crawford et al. 1985; Salama et al. 1996). The PAHs may also be involved in the 2175 °A feature... with high abundances. Intimately interwoven with dust, they are formed in the outflows of evolved and dying... , the life cycle of stars, dust and gas is briefly discussed (Sect. 1.1). Subsequently, we ...

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  Remote sensing of mineral dust aerosol using AERI during the UAE2 : A modeling and sensitivity... Arab Emirates Unified Aerosol Experiment (UAE2 ) for detecting/retrieving mineral dust aerosol... . A methodology for separating dust from clouds and retrieving the dust IR optical depths was developed

Source: Liou, K. N. - Department of Atmospheric and Oceanic Sciences, University of California at Los Angeles

Collection: Geosciences

Summary:  DETERMINING THE DUST EXTINCTION OF GAMMA-RAY BURST HOST GALAXIES: A DIRECT METHOD BASED ON OPTICAL... 14 ABSTRACT The dust extinction of gamma-ray burst (GRB) host galaxies, which contains important... host galaxies by using the model-derived dust parameters and the ...

Source: Li, Aigen - Department of Physics and Astronomy, University of Missouri-Columbia

Collection: Physics

Summary:  trends in the relative PAH-feature strengths also affect the carrier of the 2175 °A bump leading... text). The solid arrow shows the direction in which the contrast of the 2175 °A bump to the general... (Figure 7.4, left panel). 7.4 Discussion 7.4.1 Extinction : the 2175 ...

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  CHAPTER 6 The role of dust in"active"and"passive"low-metallicity star formation Abstract1 We... investigate the role of dust in star formation activity of extremely metal-poor blue compact dwarf galaxies... " and "passive". The "active" BCDs host super star clusters (SSCs), and are characterised by compact size, rich H

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  the major axis spiral wisp. This traces recent massive starformation in this early-type host. Complex dust... ) 1.4GHz radio continuum (in red) lobe Spitzer dust emission at 8 m wisp wisp Dust disk NGC3801... .5 m (Spitzer) Near-UV emission (GALEX) SDSS g-band optical SDSS g-i colour map 1.9 m ...

Source: Hota, Ananda- Institute of Astronomy and Astrophysics, Academia Sinica

Collection: Physics

Summary:  (CAM3) [Collins et al., 2004] as the host GCM to track dust age in Chapter 3, configured as in Flanner... aerosol tracers hosted by CAM to prepare for Chapter 4 the global distribution maps of dust age... . However, the total dust deposition and the bio-available iron fluxes to oceans are ...

Source: Zender, Charles - Department of Earth System Science, University of California, Irvine

Collection: Geosciences

Summary:  Gallagher UCLA, Division of Astronomy & Astrophysics "Fast winds and warm dust: Mid-infrared views of quasar... outflows" ABSTRACT In the local universe, every large galaxy hosts a central supermassive black hole... . The empirical discovery of strong correlations between these black holes and their host galaxies implies

Source: Lennard, William N. - Department of Physics and Astronomy, University of Western Ontario

Collection: Materials Science ; Physics

Summary:  ON DUST EXTINCTION OF GAMMA-RAY BURST HOST GALAXIES Aigen Li,1,2 S. L. Liang,1 D. A. Kann,3 D. M... it is well recognized that gamma-ray burst (GRB) afterglows are obscured and reddened by dust in their host... that this is a powerful approach in modeling the afterglow SEDs to derive GRB ...

Source: Li, Aigen - Department of Physics and Astronomy, University of Missouri-Columbia

Collection: Physics

Summary:  . All rights reserved. Printed in U.S.A. DUST EXTINCTION OF GAMMA-RAY BURST HOST GALAXIES... June 23; published 2006 July 25 ABSTRACT Dust in the host galaxies of gamma-ray bursts (GRBs) dims... less evolved. The dust and extinction properties of GRB host galaxies are ...

Source: Li, Aigen - Department of Physics and Astronomy, University of Missouri-Columbia

Collection: Physics

Summary:  4 Co-accretion of chondrules and dust in the solar nebula1 --C. W. Ormel, J. N. Cuzzi, A. G. G. M... dust rim they sweep up as they move through the dusty nebula gas. It is shown that dust aggregates... formed out of micron-sized grains stick to chondrules, forming a porous dust rim. When chondrules collide

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  type Ia supernova explosion was reported in a host galaxy with a redshift z = 0.0736. If the maximum... at high redshifts (z ~ 1 to 3). Assume the dust emission from SMGs are well characterized by blackbodies... at a single dust temperature. If the observed spectrum of a SMG peaks at 180 µm, what would be its ...

Source: Shirley, Yancy - Steward Observatory & Department of Astronomy, University of Arizona

Collection: Physics

Summary:  and perspective Dense rings around Saturn and Uranus were first observed from the ground, while faint dust rings... - meter- to meter-sized particles, while dust rings are mostly composed of micron-sized particles... . Observational techni- ques used to analyze circum-planetary dust rings are images, spectra, occultation profiles

Source: Potsdam, Universität - Institut für Physik, Arbeitsgruppe Nichtlineare Dynamik

Collection: Physics

Summary:  of the synergistic use of passive and active remote sensing measurements for the validation of a regional dust model... 2009 Abstract. A long-lasting Saharan dust event affected Eu- rope on 18­23 May 2008. Dust was present... backscatter/Raman lidar mea- surements over Athens, Greece. The dust event had the ...

Source: Fridlind, Ann - Earth Science Division, NASA Ames Research Center

Collection: Environmental Sciences and Ecology

Summary:  the different dust components in dwarfs, showing that even metal-poor galaxies may host a significant amount... be expected by the linear models. If these galaxies hosted Page 3 of 5 #12;A&A 518, L52 (2010) Fig. 3. Dust... -forming dwarf galaxies ­ dust in metal-poor environments M. ...

Source: Arcetri Osservatorio Astrofisico di (Italy),

Collection: Physics

Summary:  Dust and mid-IR properties of Interacting Galaxies Vassilis Charmandaris IRS Science Center... June 5th 2001 2 of 19 Dust - Importance (Draine 1999) u Dust is everywhere! ­ Directly coupled to Star... features at 9.7 & 18 µm (amorphous silicates ~ olivine MgxFe2-xSiO4) ­ Infrared emission from dust ...

Source: Charmandaris, Vassilis - Department of Physics, University of Crete

Collection: Physics

Summary:  .4.1 Extinction : the 2175 °A bump . . . . . . . . . . . . . . . . . . . . 155 7.4.2 Variations in the observed... RIJKSUNIVERSITEIT GRONINGEN Polycyclic Aromatic Hydrocarbons and dust in regions of massive star... 1.1 Life cycle of stars, dust and gas . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 MAHs, ...

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  of AGN-heated cold dust emission emerging from their host galaxies. We estimate that 30%Y50% of the far... played by each decomposition component. Panel (a) depicts the host galaxy disk containing cold dust... stars is capable of powering the total dust emission from NGC 6240. The ...

Source: Spoon, Henrik - Department of Astronomy, Cornell University

Collection: Physics

Summary:  that ISM material associ- ated with dust lanes in the host galaxy of an AGN is a natu- ral contributor... Research Note On the location and composition of the dust in the MCG­6-30-15 warm absorber D. R. Ballantyne... MCG­6-30-15 is known to consist of at least two zones and very likely contains dust. ...

Source: Ballantyne, David R. - Canadian Institute for Theoretical Astrophysics, University of Toronto

Collection: Physics

Summary:  observations [Schulz et al., 1998]. The host model carries dust in J transport bins. The number J... JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 108, NO. D14, 4416, doi:10.1029/2002JD002775 The mineral Dust... Entrainment And Deposition (DEAD) model: Description and 1990s dust climatology Charles S. Zender, ...

Source: Zender, Charles - Department of Earth System Science, University of California, Irvine

Collection: Geosciences

Summary:  observations [Schulz et al., 1998]. [27] The host model carries dust in J transport bins. The number J... Mineral Dust Entrainment and Deposition (DEAD) model: Description and 1990s dust climatology... -resolved distribution of atmospheric dust for climate and chemistry-related studies. ...

Source: Newman, David - NICTA & School of Information and Computer Science, University of California, Irvine; Zender, Charles - Department of Earth System Science, University of California, Irvine

Collection: Computer Technologies and Information Sciences ; Geosciences

Summary:  preliminary results from a multi-wavelength study of a merger candidate, NGC3801, hosting a young FR I radio... galaxy, with a Z- shaped structure. We find two Hi emission blobs on either side of the host galaxy... with the shocked shell around the eastern lobe are seen, possibly due to an outflow. While dust emission is seen

Source: Hota, Ananda- Institute of Astronomy and Astrophysics, Academia Sinica

Collection: Physics

Summary:  . Unfortunately, detailed mapping of dust temperatures in AGN host galaxies is not feasible at present. Our... Society. All rights reserved. Printed in U.S.A. HOT DUST IN RADIO-LOUD ACTIVE GALACTIC NUCLEI Wolfram... of our sources shows evidence of dust. We find a clear correlation between the SEDs, emission ...

Source: Siebenmorgen, Ralf - European Southern Observatory

Collection: Physics

Summary:  . 8/13/10 THE EMISSION BY DUST AND STARS OF NEARBY GALAXIES IN THE HERSCHEL KINGFISH SURVEY Ramin A... (submm) wavelengths, we estimate the total emission from dust and stars of 62 nearby galaxies... radiation is intercepted and re-radiated by dust, and how this quantity varies with galaxy properties

Source: Skibba, Ramin A. - Steward Observatory, University of Arizona

Collection: Physics

Summary:  - teorological driver to host CUACE/Dust. Its horizontal dimensions are set to be 68×8510 at a resolution of 108... parameters from a host model that can significantly influence the perfor- mance of CUACE/Dust are the 3-D... for East Asia: CUACE/DUST C. H. Zhou 1 , S. L. Gong 1,2 , X. Y. ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  /2004-4-1201 Atmospheric Chemistry and Physics Aerosol-ozone correlations during dust transport episodes... these northward transports 12 dust events were registered in measurements of the aerosol concentration... at the station dur- ing the period June­December 2000, allowing the study of the impact of mineral dust

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  host, implying the presence of a large mass of dust, and a (photometric) redshift (z = 2.5) placing... for this faintness is that the host galaxy is dust-rich, and therefore plausibly a mm/submm source. Against... to fully constrain any hot dust component. 1.2-mm upper limit constrains ...

Source: Smith, Ian Andrew - Department of Physics and Astronomy, Rice University

Collection: Physics

Summary:  Do Not Crawl in the DUST: Different URLs with Similar Text Ziv Bar-Yossef Idit Keidar Uri Schonfeld... § Abstract We consider the problem of DUST: Different URLs with Similar Text. Such duplicate URLs... generates the same page from various different URL requests. We present a novel algorithm, Dust

Source: Keidar, Idit - Department of Electrical Engineering, Technion, Israel Institute of Technology

Collection: Engineering ; Computer Technologies and Information Sciences

Summary:  Do Not Crawl in the DUST: Different URLs with Similar Text ZIV BAR-YOSSEF and IDIT KEIDAR Technion... the problem of dust: Different URLs with Similar Text. Such duplicate URLs are prevalent in web sites, as web... different URL requests. We present a novel algorithm, DustBuster, for uncovering dust; that is

Source: Bar-Yossef, Ziv - Department of Electrical Engineering, Technion, Israel Institute of Technology; Pregibon, Daryl - Google Labs

Collection: Computer Technologies and Information Sciences ; Mathematics

Summary:  Silica dust control when drilling concrete Page 1 of 2 Drilling into concrete releases a fine sandy... dust, which contains crystalline silica. Breathing in this dust can cause a serious lung disease called... and routinely drill into concrete are at risk of developing this disease. Controlling the dust ...

Source: Lawrence Berkeley National Laboratory, High Redshift Supernova Search

Collection: Physics

Summary:  Collectivecalm Biophys. J. doi:10.1529/biophysj.108.133694 (2008) Whether viruses kill a host or lie dormant may... of the host cell or to sit tight in a latent state. Previous research with the virus bacteriophage has shown... that if two or more virus particles inhabit a single cell they are more likely to defer killing their ...

Source: Lawson, Catherine L. - Department of Chemistry and Chemical Biology, Rutgers University

Collection: Biology and Medicine ; Chemistry

Summary:  American December 1996 Atmospheric Dust and Acid Rain Emissions of acidic air pollutants have fallen... dramatically. Why is acid rain still a problem? Atmospheric dust may be part of the answer by Lars O. Hedin... and Gene E. Likens ACIDIC EMISSIONS DUST EMISSIONS NEUTRALIZED PARTICLES OR CLOUD DROPLETS NEUTRALIZATION

Source: Hedin, Lars O. - Princeton Environmental Institute & Department of Ecology and Evolutionary Biology, Princeton University

Collection: Environmental Sciences and Ecology

Summary:  is in line with the high success rate of detecting strong IR thermal dust emission in PG QSO hosts (Sanders... of the LIR from QSO hosts and LIRGs is due to dust-heating by an AGN, i.e., #12;8 Evans LIR L CO... that is absorbed by dust and reradiated in the IR. The high LIR/L CO of the ...

Source: Evans, Aaron S. - National Radio Astronomy Observatory & Department of Astronomy, University of Virginia

Collection: Physics

Summary:  model for dust the estimated Av increases (factor 4-5). ­ If all galaxies host a black hole its... Hot Dust and Molecular Gas in Interacting Galaxies: Vassilis Charmandaris Cornell University ISO... . Wilson (McMasters) #12;Topics / Questions u Why should we care about dust? ­ How can we use ...

Source: Charmandaris, Vassilis - Department of Physics, University of Crete

Collection: Physics

Summary:  SPITZER MIPS LIMITS ON ASTEROIDAL DUST IN THE PULSAR PLANETARY SYSTEM PSR B1257+12 G. Bryden,1 C. A... searched for far-infrared emission from dust in the planetary system orbiting pulsar PSR B1257... at these wavelengths. These observations place new upper limits on the lu- minosity of dust with temperatures between

Source: Trilling, David E. - Department of Physics and Astronomy, Northern Arizona University

Collection: Physics

Summary:  ACPD 4, 2055­2088, 2004 Aerosol-ozone correlations during dust transport episodes P. Bonasoni et al... and Physics Discussions Aerosol-ozone correlations during dust transport episodes P. Bonasoni1 , P... .bonasoni@isac.cnr.it) 2055 #12;ACPD 4, 2055­2088, 2004 Aerosol-ozone correlations during dust transport episodes P. Bonasoni

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  , we explore the dust extinction of the host galaxies of GRB 070802 at z 2.45 and GRB 050904 at z 6... MODEL We characterize the dust extinction properties of GRB hosts with the extinction quantity (e... " templates--if the "true" extinction curve of a GRB L56 #12;No. 1, 2009 DUST IN THE ...

Source: Li, Aigen - Department of Physics and Astronomy, University of Missouri-Columbia

Collection: Physics

Summary:  Dust in the Local Interstellar Wind May 11, 1999 Priscilla C. Frisch Department of Astronomy... ­3, Moffett Field, CA 94035­1000 #12; -- 3 -- ABSTRACT The gas­to­dust mass ratios found for interstellar dust... of interstellar dust within the heliosphere are combined with information about the density, ...

Source: Frisch, Priscilla C. - Department of Astronomy and Astrophysics, University of Chicago

Collection: Physics

Summary:  November 17 Global Voices presents: From This Wicked Patch of Dust by Sergio Troncoso Hosted... . Reynoso and Alex Orozco Hosted by Northern Trust Bank 2 pm at the Northern Trust Company (50 S LaSalle St... , West Hall) Saturday October 1 Institutional Responses Hosted by McCormick Theological Seminary, De

Source: Stephens, Matthew - Departments of Statistics & Human Genetics, University of Chicago

Collection: Biology and Medicine ; Mathematics

Summary:  as well as microscopic grains "dusting" the sur- faces of the larger host particles [1­3]. While... of the host shape and those of the host being dusted with small grains. The ratio of the size parameter... monodisperse host, a monodisperse host ...

Source: Goddard Institute for Space Studies (NASA)

Collection: Environmental Sciences and Ecology ; Geosciences

Summary:  show elegant dust plumes with an intuitive geometry: that of an Archimedian spiral. A great deal... of fundamental information on the binary and the winds is encoded, ultimately teaching us about dust formation... to host much elegant physics, including the recently discovered pinwheel outflows in WR 104 (Tuthill

Source: Monnier, John D. - Department of Astronomy, University of Michigan

Collection: Physics

Summary:  Active Galactic Nuclei: from Central Engine to Host Galaxy ASP Conference Series, Vol. 290, 2003 S... . Following Deguchi (1981) we concentrate on the hot-gas{ cold-dust pumping mechanism for water maser at #21... ; = 1:35 cm based on the di#11;erence between gas and dust temperatures and special features of the ice

Source: Poutanen, Juri - Department of Physical Sciences, University of Oulu

Collection: Physics

Summary:  and spectroscopy of the extremely metal­poor dwarf galaxy SBS 0335-052, aimed at a better understanding of the dust... for the dust mass of 105 M which could be produced by recent supernovae. 1. Introduction With an abundance of Z... , it is classified as a Blue Compact Dwarf (BCD) galaxy (Thuan et al. 1997). SBS 0335-052 hosts ...

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

Collection: Biology and Medicine ; Environmental Sciences and Ecology

Summary:  edges, analogous to the structures seen in host galaxy bars, while the dust lanes in Mrk 471 and NGC... al. (1997) and Knapen et al. (2000) to select host galaxy bars. Mrk 573 and Mrk 270 have dust lanes... (1999). This dust morphology is similar to what is observed in ...

Source: Martini, Paul - Department of Astronomy, Ohio State University

Collection: Physics

Summary:  Do Not Crawl in the DUST: Different URLs with Similar Text Uri Schonfeld #12;#12;Do Not Crawl... in the DUST: Different URLs with Similar Text Research Thesis Submitted in Partial Fulfillment... .3 Similarity likeliness heuristic . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 5 DustBuster 25 5

Source: Keidar, Idit - Department of Electrical Engineering, Technion, Israel Institute of Technology

Collection: Engineering ; Computer Technologies and Information Sciences

Summary:  the wider GRB host galaxy population and SCUBA galaxies. Key words: stars: evolution ­ dust, extinction... , and thus perhaps imply little dust overall in the hosts. Ideally, high-resolution observations to locate... Mon. Not. R. Astron. Soc. 338, 1­6 (2003) SCUBA observations of the ...

Source: Smith, Ian Andrew - Department of Physics and Astronomy, Rice University

Collection: Physics

Summary:  the agglomeration of dust particles within this disk to form the Galil- lean planets. The increasing ice to rock... from Jupiter, dust particles in the protoJovian nebula retain a coating of ices. Note however, the rock... precisely with the equatorial plane of their host planet? The rings are composed of many small particles

Source: Wardle, Mark - School of Physics, University of Sydney

Collection: Physics

Summary:  Spring Description: Yellow dusted snout beetle; 1/2 to 3/4 inch long. Common host plant(s): Rhubarb... active and appear on leaves of rhubarb and alternate weed hosts, such as sunflower, dock, and thistle... , on alternate hosts larvae hatch from eggs and tunnel down through the stalk. Larvae pupate at the ...

Source: Liskiewicz, Maciej - Institut für Theoretische Informatik, Universität zu Lübeck

Collection: Computer Technologies and Information Sciences

Summary:  , the number is shown for egg, larval, and nymphal stages. May 2005 PIKE ET AL.: HOST DUST MITES IN CONSTANT... Entomol. 18: 71Ð75. Arlian, L. G. 1975. Dehydration and survival of the Euro- pean host dust mite... March 2004; accepted 11 January 2005. May 2005 PIKE ET AL.: HOST ...

Source: Lester, Phil - School of Biological Sciences, Victoria University of Wellington

Collection: Environmental Sciences and Ecology ; Biology and Medicine

Summary:  unlikely) or minimally aligned. 1.4 Spectroscopy of Dust: The 2175°A Feature Of what is interstellar dust... a conspicuous extinction feature at -1 = 4.6 µm-1 , or = 2175°A. The feature is well-described by a Drude... . It therefore seems likely that the ...

Source: Draine, Bruce T. - Department of Astrophysical Sciences, Princeton University Observatory

Collection: Physics

Summary:  -redshift universe. Remarkably, many quasars seem to have been overlooked because of heavy dust shrouds. Quasar light... disintegrated into electrons, protons, and neutrons, and of emission from hot dust. THE OBSERVED LIGHT SPECTRA... from the nearby dust- clear quasar 3C 273 and ultra- luminous infrared galaxy Arp 220, compared

Source: Hawthorn, Joss - Anglo-Australian Observatory

Collection: Physics

Summary:  J. Field Ornithol., 68(4):509-518 DUST-RUFFLING: A SIMPLE METHOD FOR QUANTIFYING ECTOPARASITE LOADS... - ods,asweshowbycomparingour methodto other popularapproaches.Dust-rufflingisbest suitedfor sampling... "permanent" ectoparasites,suchaschewinglice (Insecta:Phthiraptera), whichpasstheir entire life cycleon the bodyof the host

Source: Clayton, Dale H. - Department of Biology, University of Utah

Collection: Environmental Sciences and Ecology

Summary:  Do Not Crawl in the DUST: Different URLs with Similar Text Ziv Bar-Yossef Dept. of Electrical... @shuri.org ABSTRACT We consider the problem of dust: Different URLs with Sim- ilar Text. Such duplicate URLs... generates the same page from various different URL requests. We present a novel algorithm, Dust

Source: Bar-Yossef, Ziv - Department of Electrical Engineering, Technion, Israel Institute of Technology; Keidar, Idit - Department of Electrical Engineering, Technion, Israel Institute of Technology

Collection: Computer Technologies and Information Sciences ; Engineering

Summary:  , in combination with boric acid (top- ically applied as a dust or in drinking water), M. aniso- pliae killed... cockroaches significantly faster than with- out boric acid. M. anisopliae conidial dust (8.96 108 conidia/m2... ) with either 12.5% (w/w) boric acid dust or 0.1% (w/v) boric acid in drinking water killed 100

Source: Schal, Coby - Department of Entomology, North Carolina State University

Collection: Biology and Medicine

Summary:  The unusual UV continuum of quasar Ton 34 and the possibility of crystalline dust absorption L. Binette1... models, unless Comptonization of the disk emission is invoked. Absorption by carbon crystalline dust has... ). It is an ideal object to test the crystalline dust hypothesis as well as alternative interpretations of the UV

Source: Binette, Luc - Instituto de Astronomia, Universidad Nacional Autónoma de México

Collection: Physics ; Biology and Medicine

Summary:  BY GRAVITATIONAL INSTABILITY. II. HOW DUST SETTLES TO ITS MARGINALLY STABLE STATE Aaron T. Lee1 , Eugene Chiang1... ABSTRACT Dust at the midplane of a circumstellar disk can become gravitationally unstable and fragment... into planetesimals if the local dust-to-gas ratio 0 d/g is sufficiently high. We simulate how ...

Source: Barranco, Joseph - Department of Physics and Astronomy, San Francisco State University

Collection: Physics

Summary:  Review The magnetic properties of Quaternary aeolian dusts and sediments, and their palaeoclimatic... 28 January 2011 Accepted 28 January 2011 Available online xxxx Keywords: Mineral dust Palaeoclimate... t Changes in the sources, properties and fluxes of mineral aerosol (`dust') have significance as both indica

Source: Maher, Barbara - Lancaster Environment Centre, Lancaster University

Collection: Geosciences

Summary:  -Oshima in Japan during April for examining optical properties of Asian dust. Results show that the seasonal... variations in the total volume of fine mode particles. The single scattering albedos of dust particles over... properties of Asian dust around Korea and Japan are quite similar to those found in ...

Source: Yoon, Soon-Chang - School of Earth and Environmental Sciences, Seoul National University

Collection: Geosciences ; Environmental Sciences and Ecology

Summary:  Rapid dust evolution in Herschel-ATLAS galaxies Haley Gomez, Loretta Dunne, Dan Smith, Kate... in luminosity? Dye et al, A&A special issue Luminosity at 250um NodensityinLrangeMpc-3dex-1 z - mass of dust... ? - increase in star formation? - both? #12;Luminosity into dust mass L rest frame wavelength (um) Dan Smith

Source: Smecker-Hane, Tammy A. - Department of Physics, University of California, Irvine

Collection: Physics

Summary:  WIND ENHANCED INTERACTION OF RADIATION AND DUST & NON-LOCAL DEEP TRANSPORT 4th International... , Colorado rafkin@boulder.swri.edu #12;Wind Enhanced Interaction of Radiation and Dust (WEIRD) To T1 T2 T3 T4... and Dust (WEIRD)Start with an initial barotropic atmosphere. Wind lifts dust, and dusty atmosphere

Source: Rafkin, Scot C. R. - Department of Space Studies, Southwest Research Institute

Collection: Physics ; Geosciences

Summary:  dust structure in its host galaxy. Key words: dust, extinction ­ galaxies: individual (SDS J135846... sample of host galaxies of optically bright GRBs is lower than the SMC value. How- ever, the gas-to-dust... . Therefore, we also tried including extinction due to ...

Source: Zhang, Bing - Department of Physics and Astronomy, University of Nevada at Las Vegas

Collection: Physics

Summary:  of the 2175 °A Feature", in Interstellar Dust (Proceedings of IAU Symposium 135), ed. L.J. Allamandola & A... .T., & Malhotra, S. 1993, "On Graphite and the 2175 °A Extinction Profile", Ap. J., 414, 632-645. T´oth, G... .5065] Hoang, T., Lazarian, A., & Draine, B.T. 2011, ...

Source: Draine, Bruce T. - Department of Astrophysical Sciences, Princeton University Observatory

Collection: Physics

Summary:  , which hosts widespread hematite-bearing sedimentary rocks (redbeds). 5.3. Dust sources... Late Quaternary eolian dust in surficial deposits of a Colorado Plateau grassland: Controls... sandy deposits that support grass and shrub communities. These deposits also contain eolian dust

Source: Neff, Jason - Department of Geological Sciences, University of Colorado at Boulder

Collection: Geosciences