期刊
ASTROPHYSICAL JOURNAL LETTERS
卷 718, 期 1, 页码 L32-L37出版社
IOP PUBLISHING LTD
DOI: 10.1088/2041-8205/718/1/L32
关键词
ISM: clouds; stars: formation; stars: luminosity function, mass function; stars: protostars
资金
- Natural Sciences and Engineering Research Council of Canada
- NASA
From a survey of 729 cores based on JCMT/SCUBA data, we present an analysis of 17 candidate starless cores with masses that exceed their stable Jeans masses. We re-examine the classification of these super-Jeans cores using Spitzer maps and find that 3 are re-classified as protostellar, 11 have ambiguous emission near the core positions, and 3 appear to be genuinely starless. We suggest that the 3 starless and 11 undetermined super-Jeans cores represent excellent targets for future observational and computational study to understand the evolution of dense cores and the process of star formation.
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