A KINEMATIC AND PHOTOMETRIC STUDY OF THE GALACTIC YOUNG STAR CLUSTER NGC 7380

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题名:	A KINEMATIC AND PHOTOMETRIC STUDY OF THE GALACTIC YOUNG STAR CLUSTER NGC 7380
作者:	Chen,WP;Pandey,AK;Sharma,S;Chen,CW;Chen,L;Sperauskas,J;Ogura,K;Chuang,RJ;Boyle,RP
贡献者:	天文研究所
关键词:	SPECTRAL ENERGY-DISTRIBUTIONS;INTERMEDIATE-MASS STARS;BINARY DH CEPHEI;STELLAR CONTENTS;OB ASSOCIATIONS;PROPER MOTIONS;SOURCE CATALOG;CARINA-NEBULA;MILKY-WAY;EXTINCTION
日期:	2011
上传时间:	2012-03-27 18:11:04 (UTC+8)
出版者:	國立中央大學
摘要:	We present proper motions, radial velocities, and a photometric study of the Galactic open cluster NGC 7380, which is associated with prominent emission nebulosity and dark molecular clouds. On the basis of the sample of highly probable member stars, the star cluster is found to be at a distance of 2.6 +/- 0.4 kpc, has an age of around 4 Myr, and a physical size of similar to 6 pc across with a tidal structure. The binary O-type star DH Cep is a member of the cluster in its late stage of clearing the surrounding material, and may have triggered the ongoing star formation in neighboring molecular clouds which harbor young stars that are coeval and comoving with, but not gravitationally bound by, the star cluster.
關聯:	ASTRONOMICAL JOURNAL
显示于类别:	[天文研究所] 期刊論文

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