Characterization of the young open cluster G144.9+0.4 in the camelopardalis ob1 association

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题名:	Characterization of the young open cluster G144.9+0.4 in the camelopardalis ob1 association
作者:	陳文屏;Lin, Chien-Cheng;Chen, W. P.;Panwar, Neelam
贡献者:	理學院天文研究所
关键词:	ASTRONOMY;ASTROPHYSICS;ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;Clusters;MAIN SEQUENCE STARS;Massive stars;PHOTOMETRY;POINT SOURCES;PROPER MOTION;Spreads;STAR CLUSTERS;STAR EVOLUTION;Star formation;Stellar age;Subgroups
日期:	2013-10-01
上传时间:	2026-04-21 14:22:01 (UTC+8)
出版者:	IOP Publishing Ltd.;United States
摘要:	摘要： Our star-count analysis of the Two Micron All Sky Survey point sources resulted in an identification of the star cluster G144.9+0.4. The cluster was found, but not characterized, by Glushkova et al. We show that the cluster is physically associated with the Cam OB1 association at a distance of about 1 kpc and with an age of 1-2 Myr. Pre-main sequence stars are identified on the basis of photometric and proper motion data. A total of 91 additional OB star candidates was found in subgroups 1A and 1B, a significant increase from the currently known 43 OB stars. The OB members show an age spread that indicates a sustained star formation for at least the last 10-15 Myr. The young cluster G144.9+0.4 represents the latest episode of sequential star formation in this cloud complex. 出版者： United States 出版日期： 2013-10-01 出處： The Astrophysical journal, 2013-10, Vol.775 (2), p.123-9 資源來源： Institute of Physics Journals 識別號： ISSN: 0004-637X 識別號： ISSN: 1538-4357 識別號： EISSN: 1538-4357 識別號： DOI: 10.1088/0004-637X/775/2/123
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