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VARIABLE STARS IN THE 50BiN OPEN CLUSTER SURVEY. I. NGC 2301
Wang, Kun1,2; Deng, Licai1; Zhang, Xiaobin1; Xin, Yu1; Yan, Zhengzhou1,2,3; Tian, Jianfeng1,2; Luo, Yangping1,3; Luo, Changqing1; Zhang, Chunguang1; Peng, Yingjiang3; Pan, Yang3; Sun, Jinjiang4; Luo, Zhiquan3
2015-11-01
Source PublicationASTRONOMICAL JOURNAL
Volume150Issue:5
AbstractThe current work is the first contribution from the 50 cm Binocular Network, whose primary goal is to systematically detect and characterize variable stars in Galactic open clusters. In this paper, we report the results of a search for variables in the open cluster NGC 2301. Eighteen variable stars including 12 new objects were detected in a 20' x 20' field around the cluster. The physical properties, classifications, and memberships are discussed using the behaviors of the light curves, the positions on the color-magnitude diagram, and the archival proper-motion data. Among the 12 new objects, 5 are low-amplitude delta Scuti stars, 4 of which are probable members of the cluster. One of them is discovered to be a delta Scuti star in an eclipsing binary system. One gamma Doradus candidate is identified as a cluster member, but is apparently located very close to the blue edge of the gamma Doradus instability strip and therefore can be used to pin down the blue edge of the instability strip. The remaining five new variables are classified as an EW-type eclipsing binary with an orbital period of 0.5785 days and four unknown type variable stars. In addition, revised basic data for the six known variables are given according to our observations.
KeywordBinaries: Eclipsing Open Clusters And Associations: Individual (Ngc 2301) Stars: Oscillations Stars: Variables: General
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-6256/150/5/161
WOS KeywordSKY AUTOMATED SURVEY ; PLANETARY OCCULTATIONS ; CCD PHOTOMETRY ; LIGHT CURVES ; DELTA-SCUTI ; NGC-2301 ; SEARCH ; FIELD ; CATALOG
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000366460500023
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/16084
Collection院士文集_熊大闰
Affiliation1.Chinese Acad Sci, Key Lab Opt Astron, Natl Astron Observ, Beijing 100012, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.China West Normal Univ, Phys & Space Sci Coll, Nanchong 637002, Peoples R China
4.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Wang, Kun,Deng, Licai,Zhang, Xiaobin,et al. VARIABLE STARS IN THE 50BiN OPEN CLUSTER SURVEY. I. NGC 2301[J]. ASTRONOMICAL JOURNAL,2015,150(5).
APA Wang, Kun.,Deng, Licai.,Zhang, Xiaobin.,Xin, Yu.,Yan, Zhengzhou.,...&Luo, Zhiquan.(2015).VARIABLE STARS IN THE 50BiN OPEN CLUSTER SURVEY. I. NGC 2301.ASTRONOMICAL JOURNAL,150(5).
MLA Wang, Kun,et al."VARIABLE STARS IN THE 50BiN OPEN CLUSTER SURVEY. I. NGC 2301".ASTRONOMICAL JOURNAL 150.5(2015).
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