Variable Stars Observed in the Galactic Disk by AST3-1 from Dome A, Antarctica

doi:10.3847/1538-3881/153/3/104

	Variable Stars Observed in the Galactic Disk by AST3-1 from Dome A, Antarctica
	Wang, Lingzhi 1,2,3; Ma, Bin 1,3; Li, Gang 4; Hu, Yi 1,3; Fu, Jianning 4,6; Wang, Lifan3,5 ; Ashley, Michael C. B.7; Cui, Xiangqun 3,8; Du, Fujia 3,8; Gong, Xuefei 3,8
刊名	ASTRONOMICAL JOURNAL
	2017-03-01
卷号	153 期号:3 页码:24
关键词	binaries: eclipsing catalogs methods: data analysis stars: variables: general surveys techniques: photometric
ISSN号	0004-6256
DOI	10.3847/1538-3881/153/3/104
通讯作者	Wang, Lingzhi(wanglingzhi@bao.ac.cn)
英文摘要	AST3-1 is the second-generation wide-field optical photometric telescope dedicated to time-domain astronomy at Dome A, Antarctica. Here, we present the results of an i-band images survey from AST3-1 toward one Galactic disk field. Based on time-series photometry of 92,583 stars, 560 variable stars were detected with i magnitude <= 16.5 mag during eight days of observations; 339 of these are previously unknown variables. We tentatively classify the 560 variables as 285 eclipsing binaries ( EW, EB, and EA), 27 pulsating variable stars (delta Scuti, gamma Doradus, delta Cephei variable, and RR Lyrae stars), and 248 other types of variables ( unclassified periodic, multiperiodic, and aperiodic variable stars). Of the eclipsing binaries, 34 show O'Connell effects. One of the aperiodic variables shows a plateau light curve and another variable shows a secondary maximum after peak brightness. We also detected a complex binary system with an RS CVn-like light-curve morphology; this object is being followed-up spectroscopically using the Gemini South telescope.
WOS关键词	GRAVITATIONAL LENSING EXPERIMENT. ; LARGE-MAGELLANIC-CLOUD ; OGLE-III CATALOG ; ECLIPSING BINARIES ; CSTAR PHOTOMETRY ; INTRINSIC COLORS ; SPACED DATA ; SOUTH-POLE ; ASTEP 400 ; TELESCOPE
WOS研究方向	Astronomy & Astrophysics
语种	英语
出版者	IOP PUBLISHING LTD
WOS记录号	WOS:000403657100004
内容类型	期刊论文
源URL	[http://libir.pmo.ac.cn/handle/332002/22952]
专题	中国科学院紫金山天文台
通讯作者	Wang, Lingzhi
作者单位	1.Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China 2.Chinese Acad Sci, South Amer Ctr Astron, Camino El Observ 1515, Santiago, Chile 3.Chinese Ctr Antarct Astron, Nanjing 210008, Jiangsu, Peoples R China 4.Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China 5.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China 6.Texas A&M Univ, Dept Phys & Astron, Mitchell Inst Fundamental Phys & Astron, College Stn, TX 77843 USA 7.Univ New South Wales, Sch Phys, Sydney, NSW 2052, Australia 8.Nanjing Inst Astron Opt & Technol, Nanjing 210042, Jiangsu, Peoples R China 9.Lawrence Berkeley Natl Lab, Ctr Astrophys, Berkeley, CA USA 10.Tianjin Normal Univ, Tianjin 300074, Peoples R China
推荐引用方式 GB/T 7714	Wang, Lingzhi,Ma, Bin,Li, Gang,et al. Variable Stars Observed in the Galactic Disk by AST3-1 from Dome A, Antarctica[J]. ASTRONOMICAL JOURNAL,2017,153(3):24.
APA	Wang, Lingzhi.,Ma, Bin.,Li, Gang.,Hu, Yi.,Fu, Jianning.,...&Zhou, Jilin.(2017).Variable Stars Observed in the Galactic Disk by AST3-1 from Dome A, Antarctica.ASTRONOMICAL JOURNAL,153(3),24.
MLA	Wang, Lingzhi,et al."Variable Stars Observed in the Galactic Disk by AST3-1 from Dome A, Antarctica".ASTRONOMICAL JOURNAL 153.3(2017):24.