期刊
ASTRONOMISCHE NACHRICHTEN
卷 326, 期 10, 页码 878-881出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asna.200510446
关键词
stars : formation; ISM : globules; ISM : individual (L148)
The Spitzer Space Telescope allows for the first time to search systematically for very low luminosity (less than or similar to 0.1 L circle dot) objects (VeLLOs) associated with dense molecular cores. They may be the first candidate Class 0 sources with sub-stellar masses. We describe such a source in the dense molecular core L1148. VeLLO natal cores show properties that are unusual for star-forming cores. The low luminosity and in some cases the lack of prominent outflow could be the result of the small gas supply near the VeLLO.
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