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Yang Ji, Jiang Zhibo, Wang Min, Wang Hongchi, Hiroshi Kimura. A Large-Scale Survey for Extremely Cold Young Stellar Objects in the Galaxy[J]. Publications of the Yunnan Observatory, 1999, (S1): 165-173.
Citation: Yang Ji, Jiang Zhibo, Wang Min, Wang Hongchi, Hiroshi Kimura. A Large-Scale Survey for Extremely Cold Young Stellar Objects in the Galaxy[J]. Publications of the Yunnan Observatory, 1999, (S1): 165-173.

A Large-Scale Survey for Extremely Cold Young Stellar Objects in the Galaxy

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  • Published Date: October 30, 1999
  • We conducted a large-scale survey of the extremely-coldinf rared sources(ECISs)along the Galactic plane.There are 1912 (IRAS)sources selected on the basis of their color indices and their association with recent star formation.A quick survey was made toward 724 sources.There are 251 sources detected with signif icant CO emission during the quick survey above the detection limit of 0.9 K.Among the various sources detected, there are 147 sources found to have broad CO wing emission, including 116 newly detected sources.These sources comprise a new database for future study of star formation in our Galaxy.Using the known outflow sources as an effective indicator, we found the outflow detection rate of the quick survey is 62%, reasonably sensitive in survey for new outflow sources.Results from limited follow-up studies are introduced.
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