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OGLE-2016-BLG-0613LABb: A Microlensing Planet in a Binary System
Han,C.1; Udalski,A.2; A.,Gould3,4,5; Lee,C.-U.3,6; Shvartzvald,Y.7; Zang,W. C.8,9; Mao,S.8,10,11; Koz?owski,S.2; Albrow,M. D.12; Chung,S.-J.3,6; Hwang,K.-H.3; Jung,Y. K.13; Kim,D.1; Kim,H.-W.3; Ryu,Y.-H.3; Shin,I.-G.13; Yee,J. C.13; Zhu,W.4; Cha,S.-M.3,14; Kim,S.-L.3,6; Kim,D.-J.3; Lee,Y.3,14; Park,B.-G.3,6; Skowron,J.2; Mróz,P.2; Pietrukowicz,P.2; Poleski,R.2,4; Szymański,M. K.2; Soszyński,I.2; Ulaczyk,K.2; Pawlak,M.2; Beichman,C.15; Bryden,G.7; Novati,S. Calchi16; Gaudi,B. S.4; Henderson,C. B.15; Howell,S. B.17; Jacklin,S.18; Penny,M. T.4; Fouqué,P.19,20; Wang,T. S.8
2017-11-14
Source PublicationThe Astronomical Journal
ISSN0004-6256
Volume154Issue:6
AbstractAbstract We present the analysis of OGLE-2016-BLG-0613, for which the lensing light curve appears to be that of a typical binary-lens event with two caustic spikes but with a discontinuous feature on the trough between the spikes. We find that the discontinuous feature was produced by a planetary companion to the binary lens. We find four degenerate triple-lens solution classes, each composed of a pair of solutions according to the well-known wide/close planetary degeneracy. One of these solution classes is excluded due to its relatively poor fit. For the remaining three pairs of solutions, the most-likely primary mass is about , while the planet is a super Jupiter. In all cases, the system lies in the Galactic disk, about halfway toward the Galactic bulge. However, in one of these three solution classes, the secondary of the binary system is a low-mass brown dwarf, with relative mass ratios (1:0.03:0.003), while in the two others the masses of the binary components are comparable. These two possibilities can be distinguished in about 2024 when the measured lens-source relative proper motion will permit separate resolution of the lens and source.
Keywordbinaries: general gravitational lensing: micro planetary systems
DOI10.3847/1538-3881/aa9179
Language英语
WOS IDIOP:0004-6256-154-6-aa9179
PublisherThe American Astronomical Society
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/20192
Collection星系宇宙学研究部
Affiliation1.Department of Physics, Chungbuk National University, Cheongju 28644, Korea
2.Warsaw University Observatory, Al. Ujazdowskie 4, 00-478 Warszawa, Poland
3.Korea Astronomy and Space Science Institute, Daejon 34055, Korea
4.Department of Astronomy, Ohio State University, 140 W. 18th Avenue, Columbus, OH 43210, USA
5.Max Planck Institute for Astronomy, K?nigstuhl 17, D-69117 Heidelberg, Germany
6.Korea University of Science and Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Korea
7.Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA
8.Physics Department and Tsinghua Centre for Astrophysics, Tsinghua University, Beijing 100084, China
9.Department of Physics, Zhejiang University, Hangzhou, 310058, China
10.National Astronomical Observatories, Chinese Academy of Sciences, A20 Datun Road, Chaoyang District, Beijing 100012, China
11.Jodrell Bank Centre for Astrophysics, Alan Turing Building, University of Manchester, Manchester M13 9PL, UK
12.University of Canterbury, Department of Physics and Astronomy, Private Bag 4800, Christchurch 8020, New Zealand
13.Smithsonian Astrophysical Observatory, 60 Garden Street, Cambridge, MA, 02138, USA
14.School of Space Research, Kyung Hee University, Yongin 17104, Korea
15.IPAC/NExScI, Mail Code 100-22, Caltech, 1200 E. California Boulevard, Pasadena, CA 91125, USA
16.IPAC, Mail Code 100-22, Caltech, 1200 E. California Boulevard, Pasadena, CA 91125, USA
17.Kepler & K2 Missions, NASA Ames Research Center, PO Box 1, M/S 244-30, Moffett Field, CA 94035, USA
18.Vanderbilt University, Department of Physics & Astronomy, Nashville, TN 37235, USA
19.CFHT Corporation, 65-1238 Mamalahoa Highway, Kamuela, Hawaii 96743, USA
20.Université de Toulouse, UPS-OMP, IRAP, Toulouse, France
Recommended Citation
GB/T 7714
Han,C.,Udalski,A.,A.,Gould,et al. OGLE-2016-BLG-0613LABb: A Microlensing Planet in a Binary System[J]. The Astronomical Journal,2017,154(6).
APA Han,C..,Udalski,A..,A.,Gould.,Lee,C.-U..,Shvartzvald,Y..,...&Wang,T. S..(2017).OGLE-2016-BLG-0613LABb: A Microlensing Planet in a Binary System.The Astronomical Journal,154(6).
MLA Han,C.,et al."OGLE-2016-BLG-0613LABb: A Microlensing Planet in a Binary System".The Astronomical Journal 154.6(2017).
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