Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988stin...8913386b&link_type=abstract
Unknown
Astronomy and Astrophysics
Astronomy
Infrared Astronomy, Stellar Evolution, Stellar Luminosity, Stellar Mass Ejection, Statistical Analysis, Stellar Activity, Stellar Physics
Scientific paper
A statistical analysis of the IRAS data for young stellar objects associated with mass outflows (Herbig-Haro objects and molecular outflows) is presented. Systematic differences are found between the observed far IR behavior and that predicted by the model by Adams and Shu (1986) describing the main accretion phase during the formation of low mass stars. It is suggested that the low mass outflow sources are at a later evolutionary stage and not truly protostellar. The IRAS data permit an accurate derivation of the bolometric luminosities, which span over six orders of magnitude for the driving sources of the molecular outflows. From the observed luminosity function the mass function is mass function for the stars in the solar neighborhood, suggesting that heavy mass loss was an important phase during the formation of stars at all times in the history of the galaxy.
Berrilli Francesco
Ceccarelli Cecilia
Liseau Rene
Lorenzetti Dario
Saraceno Paolo
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