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Search for variables in six Galactic open clusters
Paunzen, Ernst1; Handler, Gerald2; Lendl, Monika3; Baumann, Bernhard4; Rab, Christian4; Meingast, Stefan4; Rode-Paunzen, Monika4; Netopil, Martin1; Antoci, Victoria5; Zhu LY(朱俐颖)6; Zejda, Miloslav1; Bozic, Hrvoje7; Paunzen, E (reprint author), Masaryk Univ, Dept Theoret Phys & Astrophys, Kotlarska 2, CS-61137 Brno, Czech Republic.
发表期刊NEW ASTRONOMY
2017-04-01
卷号52页码:133-139
DOI10.1016/j.newast.2016.10.012
产权排序第6完成单位
收录类别SCI
关键词Stars: Variables: General Open Clusters And Associations: Individual: Ascc 130 Open Clusters And Associations: Individual: Berkeley 4 Open Clusters And Associations: Individual: Ngc 1893 Open Clusters And Associations: Individual: Ngc 2244 Open Clusters And Associations: Individual: Ngc 6830 Open Clusters And Associations: Individual: Ngc 7296
摘要Variables in open cluster (known distance, age, and metallicity) fields play an important role in stellar astrophysics because they allow to investigate the interior of stars. Therefore, six Galactic open clusters were selected to search for new variables and to complement data for already known variables. As five of these clusters are younger than 40 Myr, we aim at finding variable high-mass stars such as beta Cephei and Slowly Pulsating B-type stars as well as classical pulsating stars within the instability strip. About 26 000 images (312 h) photometric images were taken at the 0.8 m (Vienna, Austria) and 1.0 m (Hvar, Croatia) telescope using V and I filters. The differential light curves were analyzed with standard time series analysis methods. In total, 11 variables were found in all investigated clusters. For nine of them, we were able to determine their nature and period. In addition, the membership probabilities from the literature were analyzed. (C) 2016 Elsevier B.V. All rights reserved.
项目资助者Austrian Fonds zur Forderung der wissenschaftlichen Forschung(P20526-N16) ; Polish NCN grant(2011/01/B/ST9/05448, 2015/18/A/ST9/00578) ; Croatian Science Foundation(6212) ; DOC Fellowship of the Austrian Academy of Sciences at the Institute for Astrophysics, University of Vienna ; (GP14-26115P)
语种英语
学科领域天文学
文章类型Article
ISSN1384-1076
URL查看原文
WOS记录号WOS:000390514400015
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]COROT PHOTOMETRY ; NGC 1893 ; STARS ; PARAMETERS ; PULSATION ; SATELLITE ; CATALOG ; FIELDS
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9872
专题双星与变星研究组
通讯作者Paunzen, E (reprint author), Masaryk Univ, Dept Theoret Phys & Astrophys, Kotlarska 2, CS-61137 Brno, Czech Republic.
作者单位1.Department of Theoretical Physics and Astrophysics, Masaryk University, Kotlářská 2, 611 37 Brno, Czechia
2.Nicolaus Copernicus Astronomical Center, Bartycka 18, 00-716 Warsaw, Poland
3.Austrian Academy of Sciences Space Research Institute, Schmiedlstraße 6, A-8042 Graz, Austria
4.Institut für Astrophysik, Universität Wien, Türkenschanzstraße 17, A-1180 Wien, Austria
5.Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University Ny Munkegade 120, DK-8000 Aarhus C, Denmark
6.Yunnan Astronomical Observatory, Chinese Academy of Sciences, P. O. Box 110, 650011 Kunming, China
7.Hvar Observatory, Faculty of Geodesy, University of Zagreb, Kačićeva 26, HR-10000 Zagreb, Croatia
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Paunzen, Ernst,Handler, Gerald,Lendl, Monika,et al. Search for variables in six Galactic open clusters[J]. NEW ASTRONOMY,2017,52:133-139.
APA Paunzen, Ernst.,Handler, Gerald.,Lendl, Monika.,Baumann, Bernhard.,Rab, Christian.,...&Paunzen, E .(2017).Search for variables in six Galactic open clusters.NEW ASTRONOMY,52,133-139.
MLA Paunzen, Ernst,et al."Search for variables in six Galactic open clusters".NEW ASTRONOMY 52(2017):133-139.
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