IRAS sources associated with nebulosities resembling Herbig-Haro objects

Journal Article · Fri Apr 01 04:00:00 EST 1988 · Astron. J.; (United States)

DOI:https://doi.org/10.1086/114712· OSTI ID:6996331

Persi, P; Ferrari-Toniolo, M; Busso, M; Robberto, M; Scaltriti, F

The IRAS Survey has been used to search 22 nebulosities resembling Herbig-Haro objects for evidence of newly forming stars. Half the peculiar nebulae are found to have associated IRAS sources. From a study of the energy distributions, obtained from JHKL photometry and IRAS flux densities, the physical characteristics of the sources have been derived. The IRAS sources 04073 + 3800(GY 10), 05173-0555(GY 14), and 05439 + 3035(GY 18) have been identified as possible low-mass protostars, while the sources 03134 + 5958(GY 5) and 21004 + 7811(GY 21) are T Tauri stars with nebular disks and surrounding dust envelopes of residual infall. Finally, the IRAS source 04591-0856, associated with the nebula GY 13, could be in an evolutionary stage intermediate between a protostar in the pure infall phase and that of an obscured T Tauri. 26 references.

• Research Organization: CNR, Istituto Astrofisica Spaziale, Frascati (Italy); Torino, Osservatorio Astronomico, Pino Torinese (Italy)
• OSTI ID: 6996331
• Journal Information: Astron. J.; (United States), Journal Name: Astron. J.; (United States) Vol. 95; ISSN ANJOA
• Country of Publication: United States
• Language: English

Related Subjects

640102* -- Astrophysics & Cosmology-- Stars & Quasi-Stellar
Radio & X-Ray Sources
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ELECTROMAGNETIC RADIATION
ENERGY SPECTRA
ERUPTIVE VARIABLE STARS
FLUX DENSITY
INFRARED RADIATION
NEBULAE
PHOTOMETRY
PROTOSTARS
RADIATIONS
SPECTRA
STAR EVOLUTION
STARS
T TAURI STARS
VARIABLE STARS