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OGLE-2011-BLG-0265Lb: A JOVIAN MICROLENSING PLANET ORBITING AN M DWARF
Skowron, J; Shin, IG; Udalski, A; Han, C; Sumi, T; Shvartzvald, Y; Gould, A; Prester, DD; Street, RA; Jorgensen, UG; Bennett, DP; Bozza, V; Szymanski, MK; Kubiak, M; Pietrzynski, G; Soszynski, I; Poleski, R; Kozlowski, S; Pietrukowicz, P; Ulaczyk, K; Wyrzykowski, L; Abe, F; Bhattacharya, A; Bond, IA; Botzler, CS; Freeman, M; Fukui, A; Fukunaga, D; Itow, Y; Ling, CH; Koshimoto, N; Masuda, K; Matsubara, Y; Muraki, Y; Namba, S; Ohnishi, K; Philpott, LC; Rattenbury, N; Saito, T; Sullivan, DJ; Suzuki, D; Tristram, PJ; Yock, PCM; Maoz, D; Kaspi, S; Friedmann, M; Almeida, LA; Batista, V; Christie, G; Choi, JY; Depoy, DL; Gaudi, BS; Henderson, C; Hwang, KH; Jablonski, F; Jung, YK; Lee, CU; McCormick, J; Natusch, T; Ngan, H; Park, H; Pogge, RW; Yee, JC; Albrow, MD; Bachelet, E; Beaulieu, JP; Brillant, S; Caldwell, JAR; Cassan, A; Cole, A; Corrales, E; Coutures, CH; Dieters, S; Donatowicz, J; Fouque, P; Greenhill, J; Kains, N; Kane, SR; Kubas, D; Marquette, JB; Martin, R; Menzies, J; Pollard, KR; Ranc, C; Sahu, KC; Wambsganss, J; Williams, A; Wouters, D; Tsapras, Y; Bramich, DM; Horne, K; Hundertmark, M; Snodgrass, C; Steele, IA; Alsubai, KA; Browne, P; Burgdorf, MJ; Novati, SC; Dodds, P; Dominik, M; Dreizler, S; Fang XS(房祥松); Gu SH(顾盛宏); Hardis; Harpsoe, K; Hessman, FV; Hinse, TC; Hornstrup, A; Jessen-Hansen, J; Kerins, E; Liebig, C; Lund, M; Lundkvist, M; Mancini, L; Mathiasen, M; Penny, MT; Rahvar, S; Ricci, D; Scarpetta, G; Skottfelt, J; Southworth, J; Surdej, J; Tregloan-Reed, J; Wertz, O; Tregloan-Reed, J (reprint author), NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.
发表期刊ASTROPHYSICAL JOURNAL
2015-05-01
卷号804期号:1
DOI10.1088/0004-637X/804/1/33
产权排序第54完成单位
收录类别SCI
关键词Gravitational Lensing: Micro Planetary Systems
摘要We report the discovery of a Jupiter-mass planet orbiting an M-dwarf star that gave rise to the microlensing event OGLE-2011-BLG-0265. Such a system is very rare among known planetary systems and thus the discovery is important for theoretical studies of planetary formation and evolution. High-cadence temporal coverage of the planetary signal, combined with extended observations throughout the event, allows us to accurately model the observed light curve. However, the final microlensing solution remains degenerate, yielding two possible configurations of the planet and the host star. In the case of the preferred solution, the mass of the planet is M-p = 0.9 +/- 0.3 M-J, and the planet is orbiting a star with a mass M = 0.22 +/- 0.06 M-circle dot. The second possible configuration (2 sigma away) consists of a planet with M-p = 0.6 +/- 0.3M(J) and host star with M = 0.14 +/- 0.06M(circle dot). The system is located in the Galactic disk 3-4 kpc toward the Galactic bulge. In both cases, with an orbit size of 1.5-2.0 AU, the planet is a "cold Jupiter"-located well beyond the "snow line" of the host star. Currently available data make the secure selection of the correct solution difficult, but there are prospects for lifting the degeneracy with additional follow-up observations in the future, when the lens and source star separate.
项目资助者European Research Council under the European Community's Seventh Framework Programme (FP7) / ERC [246678] ; Polish Ministry of Science and Higher Education (MNiSW) through the program "Iuventus Plus" [IP2011 026771] ; Creative Research Initiative Program of National Research Foundation of Korea [2009-0081561] ; JSPS [24253004, JSPS23540339, JSPS19340058] ; Distinguished University Fellowship from The Ohio State University and in part under contract with the California Institute of Technology (Caltech) - NASA through the Sagan Fellowship Program ; NSF [AST 1103471] ; NASA [NNX12AB99G] ; European Union [268421] ; Danish Natural Science Foundation (FNU) ; German Research Foundation (DFG) ; Communaute francaise de Belgique-Actions de recherche concertees-Academie universitaire Wallonie-Europe ; Qatar National Research Fund (QNRF), Qatar Foundation [NPRP 09-476-1-078] ; University of Rijeka Project [13.12.1.3.02] ; I-CORE program of the Planning and Budgeting Committee ; Israel Science Foundation [1829/12] ; US-Israel Binational Science Foundation ; [JSPS22403003] ; [JSPS23340064] ; [JSPS23340044] ; [JSPS24253004]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000354189500033
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]SURFACE BRIGHTNESS RELATIONS ; GRAVITATIONAL BINARY-LENS ; GALACTIC BULGE ; MASS PLANET ; OGLE-III ; JUPITER/SATURN ANALOG ; ANGULAR SIZES ; GIANT PLANETS ; SNOW LINE ; STARS
引用统计
被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6810
专题系外行星研究组
通讯作者Tregloan-Reed, J (reprint author), NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.
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Skowron, J,Shin, IG,Udalski, A,et al. OGLE-2011-BLG-0265Lb: A JOVIAN MICROLENSING PLANET ORBITING AN M DWARF[J]. ASTROPHYSICAL JOURNAL,2015,804(1).
APA Skowron, J.,Shin, IG.,Udalski, A.,Han, C.,Sumi, T.,...&Tregloan-Reed, J .(2015).OGLE-2011-BLG-0265Lb: A JOVIAN MICROLENSING PLANET ORBITING AN M DWARF.ASTROPHYSICAL JOURNAL,804(1).
MLA Skowron, J,et al."OGLE-2011-BLG-0265Lb: A JOVIAN MICROLENSING PLANET ORBITING AN M DWARF".ASTROPHYSICAL JOURNAL 804.1(2015).
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