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A Gaia-PS1-SDSS (GPS1) Proper Motion Catalog Covering 3/4 of the Sky
Tian, Hai-Jun1,2; Gupta, Prashansa3; Sesar, Branimir2; Rix, Hans-Walter2; Martin, Nicolas F.2,4; Liu, Chao5; Goldman, Bertrand2,4; Platais, Imants6; Kudritzki, Rolf-Peter7; Waters, Christopher Z.7
2017-09-01
发表期刊ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
卷号232期号:1
摘要We combine Gaia DR1, PS1, Sloan Digital Sky Survey (SDSS), and 2MASS astrometry to measure proper motions for 350 million sources across three-fourths of the sky down to a magnitude of m(r) similar to 20. Using positions of galaxies from PS1, we build a common reference frame for the multi-epoch PS1, single-epoch SDSS and 2MASS data, and calibrate the data in small angular patches to this frame. As the Gaia DR1 excludes resolved galaxy images, we choose a different approach to calibrate its positions to this reference frame: we exploit the fact that the proper motions of stars in these patches are linear. By simultaneously fitting the positions of stars at different epochs of-Gaia DR1, PS1, SDSS, and 2MASS-we construct an extensive catalog of proper motions dubbed GPS1. GPS1 has a characteristic systematic error of less than 0.3 mas yr(-1) and a typical precision of 1.5-2.0mas yr(-1). The proper motions have been validated using galaxies, open clusters, distant giant stars, and QSOs. In comparison with other published faint proper motion catalogs, GPS1's systematic error (<0.3 mas yr(-1)) should be nearly an order of magnitude better than that of PPMXL and UCAC4 (>2.0 mas yr(-1)). Similarly, its precision (similar to 1.5 mas yr(-1)) is a four-fold improvement relative to PPMXL and UCAC4 (similar to 6.0 mas yr(-1)). For QSOs, the precision of GPS1 is found to be worse (similar to 2.0-3.0mas yr(-1)), possibly due to their particular differential chromatic refraction. The GPS1 catalog will be released online and be available via the VizieR Service and VO Service.
文章类型Article
关键词Astrometry Catalogs Galaxy: Kinematics And Dynamics Proper Motions
WOS标题词Science & Technology ; Physical Sciences
资助者National Natural Science Foundation of China (NSFC)(11503012 ; National Natural Science Foundation of China (NSFC)(11503012 ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; Max Planck Institute for Astronomy ; Max Planck Institute for Astronomy ; European Research Council under European Union(321035) ; European Research Council under European Union(321035) ; German Research Foundation (DFG)(SFB 881) ; German Research Foundation (DFG)(SFB 881) ; National Aeronautics and Space Administration through Planetary Science Division of the NASA Science Mission Directorate(NNX08AR22G) ; National Aeronautics and Space Administration through Planetary Science Division of the NASA Science Mission Directorate(NNX08AR22G) ; National Science Foundation(AST-1238877) ; National Science Foundation(AST-1238877) ; U1331202) ; U1331202) ; National Natural Science Foundation of China (NSFC)(11503012 ; National Natural Science Foundation of China (NSFC)(11503012 ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; Max Planck Institute for Astronomy ; Max Planck Institute for Astronomy ; European Research Council under European Union(321035) ; European Research Council under European Union(321035) ; German Research Foundation (DFG)(SFB 881) ; German Research Foundation (DFG)(SFB 881) ; National Aeronautics and Space Administration through Planetary Science Division of the NASA Science Mission Directorate(NNX08AR22G) ; National Aeronautics and Space Administration through Planetary Science Division of the NASA Science Mission Directorate(NNX08AR22G) ; National Science Foundation(AST-1238877) ; National Science Foundation(AST-1238877) ; U1331202) ; U1331202)
DOI10.3847/1538-4365/aa826a
关键词[WOS]SURVEY 2MASS ; USNO-B ; STARS ; TELESCOPE ; POSITIONS
收录类别SCI
语种英语
资助者National Natural Science Foundation of China (NSFC)(11503012 ; National Natural Science Foundation of China (NSFC)(11503012 ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; Max Planck Institute for Astronomy ; Max Planck Institute for Astronomy ; European Research Council under European Union(321035) ; European Research Council under European Union(321035) ; German Research Foundation (DFG)(SFB 881) ; German Research Foundation (DFG)(SFB 881) ; National Aeronautics and Space Administration through Planetary Science Division of the NASA Science Mission Directorate(NNX08AR22G) ; National Aeronautics and Space Administration through Planetary Science Division of the NASA Science Mission Directorate(NNX08AR22G) ; National Science Foundation(AST-1238877) ; National Science Foundation(AST-1238877) ; U1331202) ; U1331202) ; National Natural Science Foundation of China (NSFC)(11503012 ; National Natural Science Foundation of China (NSFC)(11503012 ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; Max Planck Institute for Astronomy ; Max Planck Institute for Astronomy ; European Research Council under European Union(321035) ; European Research Council under European Union(321035) ; German Research Foundation (DFG)(SFB 881) ; German Research Foundation (DFG)(SFB 881) ; National Aeronautics and Space Administration through Planetary Science Division of the NASA Science Mission Directorate(NNX08AR22G) ; National Aeronautics and Space Administration through Planetary Science Division of the NASA Science Mission Directorate(NNX08AR22G) ; National Science Foundation(AST-1238877) ; National Science Foundation(AST-1238877) ; U1331202) ; U1331202)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000408442500004
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/20089
专题光学天文研究部
作者单位1.China Three Gorges Univ, Yichang 443002, Peoples R China
2.Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany
3.Indian Inst Sci Educ & Res, Dept Phys Sci, Sect 81, Sas Nagar 140306, Punjab, India
4.Univ Strasbourg, CNRS, Observ Astron Strasbourg, UMR 7550, 11 Rue Univ, F-67000 Strasbourg, France
5.Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China
6.Johns Hopkins Univ, Dept Phys & Astron, 3400 North Charles St, Baltimore, MD 21218 USA
7.Univ Hawaii, Inst Astron, 2680 Woodlawn Dr, Honolulu, HI 96822 USA
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Tian, Hai-Jun,Gupta, Prashansa,Sesar, Branimir,et al. A Gaia-PS1-SDSS (GPS1) Proper Motion Catalog Covering 3/4 of the Sky[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2017,232(1).
APA Tian, Hai-Jun.,Gupta, Prashansa.,Sesar, Branimir.,Rix, Hans-Walter.,Martin, Nicolas F..,...&Waters, Christopher Z..(2017).A Gaia-PS1-SDSS (GPS1) Proper Motion Catalog Covering 3/4 of the Sky.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,232(1).
MLA Tian, Hai-Jun,et al."A Gaia-PS1-SDSS (GPS1) Proper Motion Catalog Covering 3/4 of the Sky".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 232.1(2017).
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