Alyssa Goodman - Coherent Dense Cores

Coherent Dense Cores

Description: By creating unprecedentedly sensitive maps of dense star-forming cores, we found that line widths in cores are roughly constant, despite exhibiting a rising (turbulent) trend in core surroundings. We use our observations to argue that there is an "inner scale" of ~0.1 pc in the dense ISM, and that objects within this scale are the "islands of calm in a turbulent sea" where individual stars, or small groups of stars form. Collaborators: Héctor Arce (Caltech) Javier Ballesteros (AMNH) Joseph Barranco (UC Berkeley) Paola Caselli (Arcetri) Mark Heyer (UMASS/FCRAO) Kishore Kuchibhotla (MIT) Scott Schnee (CfA) Jonathan Williams (U. Florida) David Wilner (CfA) Publications: Goodman, Barranco, Wilner, & Heyer 1998, Coherence in Dense Cores. II. The Transition to Coherence Barranco & Goodman 1998, Coherent Dense Cores. I. NH 3 Observations Web Sites: Coherent Dense Cores Coherent Dense Cores Collaboration Page

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Last modified on Monday, 22-Jan-2007 12:10:29 EST