Detailed Studies of Cloud Cores: Probing the Initial Conditions for Protostellar Collapse

Details Detailed Studies of Cloud Cores: Probing the Initial Conditions for Protostellar Collapse Detailed Studies of Cloud Cores: Probing the Initial Conditions for Protostellar Collapse

2003-12-15

arxiv.org/abs/astro-ph/0312370v1

Astronomy and Astrophysics

Astrophysics

10 pages, 4 figures, to appear in the proceedings of the JENAM2003 minisymposium "Early Stages of Star Formation" (special iss

Scientific paper

Improving our understanding of the earliest stages of star formation is crucial to gain insight into the origin of stellar masses, multiple systems, and protoplanetary disks. We discuss recent advances made in this area thanks to detailed mapping observations at infrared and (sub)millimeter wavelengths. Although ambipolar diffusion appears to be too slow to play a direct role in the formation of dense cores, there is nevertheless good evidence that the gravitational collapse of isolated protostellar cores is strongly magnetically controlled. We also argue that the beginning of protostellar collapse is much more violent in cluster-forming clouds than in regions of distributed star formation.

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