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SCUBA Observations of Pre-Stellar Cores
Published online by Cambridge University Press: 25 September 2002
Abstract
Pre-stellar cores are defined to be the stage of star formation that preceeds the formation of a hydro-static protostar. We haveobserved 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.
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- Research Article
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- © EAS, EDP Sciences, 2002