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MOA-2013-BLG-220Lb : massive planetary companion to galactic-disk host

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Date
20/07/2014
Author
Yee, J.C.
Han, C.
Gould, A.
Skowron, J.
Bond, I.A.
Udalski, A.
Hundertmark, M.
Monard, L.A.G.
Porritt, I.
Nelson, P.
Bozza, V.
Albrow, M.D.
Choi, J.-Y.
Christie, G.W.
Depoy, D.L.
Gaudi, B.S.
Hwang, K.-H.
Jung, Y.K.
Lee, C.-U.
McCormick, J.
Natusch, T.
Ngan, H.
Park, H.
Pogge, R.W.
Shin, I.-G.
Tan, T.-G.
Abe, F.
Bennett, D.P.
Botzler, C.S.
Freeman, M.
Fukui, A.
Fukunaga, D.
Itow, Y.
Koshimoto, N.
Larsen, P.
Ling, C.H.
Masuda, K.
Matsubara, Y.
Muraki, Y.
Namba, S.
Ohnishi, K.
Philpott, L.
Rattenbury, N.J.
Saito, T.
Sullivan, D.J.
Sumi, T.
Sweatman, W.L.
Suzuki, D.
Tristram, P.J.
Tsurumi, N.
Wada, K.
Yamai, N.
Yock, P.C.M.
Yonehara, A.
Szymański, M.K.
Ulaczyk, K.
Kozłowski, S.
Poleski, R.
Wyrzykowski, Ł.
Kubiak, M.
Pietrukowicz, P.
Pietrzyński, G.
Soszyński, I.
Bramich, D.M.
Browne, P.
Figuera Jaimes, R.
Horne, K.
Ipatov, S.
Kains, N.
Snodgrass, C.
Steele, I.A.
Street, R.
Tsapras, Y.
Funder
Science & Technology Facilities Council
Grant ID
ST/J001651/1
Keywords
QB Astronomy
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Abstract
We report the discovery of MOA-2013-BLG-220Lb, which has a super-Jupiter mass ratio q = 3.01 ± 0.02 × 10-3 relative to its host. The proper motion, μ = 12.5 ± 1 mas yr-1, is one of the highest for microlensing planets yet discovered, implying that it will be possible to separately resolve the host within ∼7 yr. Two separate lines of evidence imply that the planet and host are in the Galactic disk. The planet could have been detected and characterized purely with follow-up data, which has important implications for microlensing surveys, both current and into the Large Synoptic Survey Telescope (LSST) era.
Citation
Yee , J C , Han , C , Gould , A , Skowron , J , Bond , I A , Udalski , A , Hundertmark , M , Monard , L A G , Porritt , I , Nelson , P , Bozza , V , Albrow , M D , Choi , J-Y , Christie , G W , Depoy , D L , Gaudi , B S , Hwang , K-H , Jung , Y K , Lee , C-U , McCormick , J , Natusch , T , Ngan , H , Park , H , Pogge , R W , Shin , I-G , Tan , T-G , Abe , F , Bennett , D P , Botzler , C S , Freeman , M , Fukui , A , Fukunaga , D , Itow , Y , Koshimoto , N , Larsen , P , Ling , C H , Masuda , K , Matsubara , Y , Muraki , Y , Namba , S , Ohnishi , K , Philpott , L , Rattenbury , N J , Saito , T , Sullivan , D J , Sumi , T , Sweatman , W L , Suzuki , D , Tristram , P J , Tsurumi , N , Wada , K , Yamai , N , Yock , P C M , Yonehara , A , Szymański , M K , Ulaczyk , K , Kozłowski , S , Poleski , R , Wyrzykowski , Ł , Kubiak , M , Pietrukowicz , P , Pietrzyński , G , Soszyński , I , Bramich , D M , Browne , P , Figuera Jaimes , R , Horne , K , Ipatov , S , Kains , N , Snodgrass , C , Steele , I A , Street , R & Tsapras , Y 2014 , ' MOA-2013-BLG-220Lb : massive planetary companion to galactic-disk host ' , Astrophysical Journal , vol. 790 , no. 1 . https://doi.org/10.1088/0004-637X/790/1/14
Publication
Astrophysical Journal
Status
Peer reviewed
DOI
https://doi.org/10.1088/0004-637X/790/1/14
ISSN
0004-637X
Type
Journal article
Rights
© 2014. The American Astronomical Society. All rights reserved.
Description
Work by J. C. Yee was supported in part by a Distinguished University Fellowship from The Ohio State University and in part under contract with the California Institute of Technology (Caltech) funded by NASA through the Sagan Fellowship Program. Work by CH was supported by the Creative Research Initiative Program (2009-0081561) of the National Research Foundation of Korea. Work by A.G. and B.S.G. was supported by NSF grant AST 1103471. Work by A.G., B.S.G., and R.W.P. was supported by NASA grant NNX12AB99G. T.S. acknowledges the support from the grant JSPS23340044 and JSPS24253004. The OGLE project has received funding from the European Research Council under the European Community's Seventh Framework Programme (FP7/2007-2013)/ERC grant agreement no. 246678 to AU. This publication was made possible by NPRP grant X-019-1-006 from the Qatar National Research Fund (a member of Qatar Foundation).
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/5289

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