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The formation of solar type stars - IRAS observations of the dark cloud Barnard 5

1984; IOP Publishing; Volume: 278; Linguagem: Inglês

10.1086/184219

1538-4357

Charles Beichman, R. E. Jennings, J. P. Emerson, B. Baud, S. Harris, M. Rowan-Robinson, H. H. Aumann, T. N. Gautier, F. C. Gillett, H. J. Habing, Paul Marsden, G. Neugebauer, Erick Young,

Astro and Planetary Science

view Abstract Citations (69) References (29) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The formation of solar type stars : IRAS observations of the dark cloud Barnard 5. Beichman, C. A. ; Jennings, R. E. ; Emerson, J. P. ; Baud, B. ; Harris, S. ; Rowan-Robinson, M. ; Aumann, H. H. ; Gautier, T. N. ; Gillett, F. C. ; Habing, H. J. ; Marsden, P. L. ; Neugebauer, G. ; Young, E. Abstract Observations of the dark cloud Barnard 5 show two compact sources of radiation within the dense core. IRS 1 is associated with 30-800 K dust, has a total luminosity of about 10 solar luminosities, and is presumably a newly formed star of roughly solar mass. IRS 2 has a much cooler color temperature, approximately 25 K, and emits only 1.3 solar luminosities. Its status is unclear, but IRS 2 may be at a very early stage of gravitational collapse or a density enhancement within the cloud heated by the interstellar radiation field. Also within the confines of the cloud are two point sources, which, if associated with the cloud, each emit about 0.5 solar luminosities in the IRAS bands. These may be T Tauri stars, separated from the cloud but still enshrouded in dust shells. Publication: The Astrophysical Journal Pub Date: March 1984 DOI: 10.1086/184219 Bibcode: 1984ApJ...278L..45B Keywords: Infrared Astronomy; Nebulae; Spaceborne Astronomy; Stellar Evolution; Clouds; Gravitational Collapse; Infrared Astronomy Satellite; Stellar Envelopes; Astrophysics full text sources ADS | data products SIMBAD (6)