PMO OpenIR  > 分子云与恒星形成研究团组
PHOTOMETRY OF VARIABLE STARS FROM DOME A, ANTARCTICA
Wang, Lingzhi1,2; Macri, Lucas M.2; Krisciunas, Kevin2; Wang, Lifan2,3; Ashley, Michael C. B.4; Cui, Xiangqun5; Feng, Long-Long3; Gong, Xuefei5; Lawrence, Jon S.4,6; Liu, Qiang7; Luong-Van, Daniel4; Pennypacker, Carl R.8; Shang, Zhaohui9; Storey, John W. V.4; Yang, Huigen10; Yang, Ji; Yuan, Xiangyan5,11; York, Donald G.12,13; Zhou, Xu7,11; Zhu, Zhenxi3; Zhu, Zonghong1
2011-11-01
Source PublicationASTRONOMICAL JOURNAL
ISSN0004-6256
Volume142Issue:5Pages:155(13)
AbstractDome A on the Antarctic plateau is likely one of the best observing sites on Earth thanks to the excellent atmospheric conditions present at the site during the long polar winter night. We present high-cadence time-series aperture photometry of 10,000 stars with i < 14.5 mag located in a 23 deg(2) region centered on the south celestial pole. The photometry was obtained with one of the CSTAR telescopes during 128 days of the 2008 Antarctic winter. We used this photometric data set to derive site statistics for Dome A and to search for variable stars. Thanks to the nearly uninterrupted synoptic coverage, we found six times as many variables as previous surveys with similar magnitude limits. We detected 157 variable stars, of which 55% were unclassified, 27% were likely binaries, and 17% were likely pulsating stars. The latter category includes delta Scuti, gamma Doradus, and RR Lyrae variables. One variable may be a transiting exoplanet.
KeywordSite Testing Stars: Variables: General
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-6256/142/5/155
WOS KeywordRR-LYRAE STARS ; SKY AUTOMATED SURVEY ; GAMMA DORADUS STARS ; ECLIPSING BINARIES ; FREQUENCY-ANALYSIS ; BOUNDARY-LAYER ; SPACED DATA ; SOUTH-POLE ; CATALOG ; BRIGHTNESS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000296777000012
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/4411
Collection分子云与恒星形成研究团组
Affiliation1.Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
2.Texas A&M Univ, Mitchell Inst Fundamental Phys & Astron, Dept Phys & Astron, College Stn, TX 77843 USA
3.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
4.Univ New S Wales, Sch Phys, Sydney, NSW 2052, Australia
5.Nanjing Inst Astron Opt & Technol, Nanjing 210042, Peoples R China
6.Australian Astron Observ, Coonabarabran, NSW 1710, Australia
7.Chinese Acad Sci, Natl Astron Observ China, Beijing 100012, Peoples R China
8.Univ Calif Berkeley, Lawrence Berkeley Lab, Ctr Astrophys, Berkeley, CA 94720 USA
9.Tianjin Normal Univ, Dept Phys, Tianjin 300074, Peoples R China
10.Polar Res Inst China, Shanghai 200136, Peoples R China
11.Chinese Ctr Antarctic Astron, Nanjing 210008, Peoples R China
12.Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA
13.Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
Recommended Citation
GB/T 7714
Wang, Lingzhi,Macri, Lucas M.,Krisciunas, Kevin,et al. PHOTOMETRY OF VARIABLE STARS FROM DOME A, ANTARCTICA[J]. ASTRONOMICAL JOURNAL,2011,142(5):155(13).
APA Wang, Lingzhi.,Macri, Lucas M..,Krisciunas, Kevin.,Wang, Lifan.,Ashley, Michael C. B..,...&Zhu, Zonghong.(2011).PHOTOMETRY OF VARIABLE STARS FROM DOME A, ANTARCTICA.ASTRONOMICAL JOURNAL,142(5),155(13).
MLA Wang, Lingzhi,et al."PHOTOMETRY OF VARIABLE STARS FROM DOME A, ANTARCTICA".ASTRONOMICAL JOURNAL 142.5(2011):155(13).
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