| Issue |
EAS Publications Series
Volume 4, 2002
Infrared and Submillimeter Space Astronomy: An International Colloquium to Honor the Memory of Guy Serra
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|
|---|---|---|
| Page(s) | 321 - 321 | |
| Section | Posters | |
| DOI | https://doi.org/10.1051/eas:2002095 | |
| Published online | 25 September 2002 | |
M. Giard, J.P. Bernard, A. Klotz and I. Ristorcelli (eds)
EAS Publications Series, 4 (2002) 321
SCUBA Observations of Pre-Stellar Cores
1
Department of Physics and Astronomy, Cardiff University, 5 The Parade, Cardiff, UK
2
CEA, DAPNIA, Service d'Astrophysique, CE Saclay, 91191 Gif-sur-Yvette, France
Pre-stellar cores are defined to be the stage of star formation that preceeds the formation of a hydro-static protostar. We have observed a number of cores believed to be pre-stellar in nature in the submillimetre continuum with SCUBA on the JCMT. 37 cores were detected at 850 μm - 13 of them with high signal-to-noise. Radial density profiles of these 13 show flattened inner regions and sharp boundaries consistent with some models of the pre-collapse phase of protostar formation. Simple models are fitted to the core radial density profiles to assess their stability against collapse.
© EAS, EDP Sciences, 2002