The Distribution of YSO Masses in Dense Hubs and Less Dense Filaments

Details The Distribution of YSO Masses in Dense Hubs and Less Dense Filaments The Distribution of YSO Masses in Dense Hubs and Less Dense Filaments

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21536908k&link_type=abstract

American Astronomical Society, AAS Meeting #215, #369.08; Bulletin of the American Astronomical Society, Vol. 42, p.560

Astronomy and Astrophysics

Astronomy

Scientific paper

Dense "hubs" and less dense radiating "filaments" are common features of nearby star-forming regions and infrared dark clouds. Cores and young stars are more concentrated in such hubs than in their radiating filaments. Accreting protostars may gain less mass in such low-density filaments, since low-density gas takes longer to accrete, and since the accretion must draw gas from a greater distance in filamentary geometry. We present an investigation of the mass distributions of YSOs in dense clusters and low-density filaments in the nearest molecular clouds, to test whether YSO masses depend on environment density and geometry.
HK is supported by an NSERC PDF.

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