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A super-Jupiter orbiting a late-type star : a refined analysis of microlensing event OGLE-2012-BLG-0406

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Dominik_2014_TAJ_ASuper.pdf (1.968Mb)
Date
10/02/2014
Author
Tsapras, Y.
Choi, J.-Y.
Street, R.A.
Han, C.
Bozza, V.
Gould, A.
Dominik, M.
Beaulieu, J.-P.
Udalski, A.
Jørgensen, U.G.
Sumi, T.
Bramich, D.M.
Browne, P.
Horne, K.
Hundertmark, M.
Ipatov, S.
Kains, N.
Snodgrass, C.
Steele, I.A.
Alsubai, K.A.
Andersen, J.M.
Novati, S.C.
Damerdji, Y.
Diehl, C.
Elyiv, A.
Giannini, E.
Hardis, S.
Harpsøe, K.
Hinse, T.C.
Juncher, D.
Kerins, E.
Korhonen, H.
Liebig, C.
Mancini, L.
Mathiasen, M.
Penny, M.T.
Rabus, M.
Rahvar, S.
Scarpetta, G.
Skottfelt, J.
Southworth, J.
Surdej, J.
Tregloan-Reed, J.
Vilela, C.
Wambsganss, J.
Skowron, J.
Poleski, R.
Kozłowski, S.
Wyrzykowski, Ł.
Szymański, M.K.
Kubiak, M.
Pietrukowicz, P.
Pietrzyński, G.
Soszyński, I.
Ulaczyk, K.
Albrow, M.D.
Bachelet, E.
Barry, R.
Batista, V.
Bhattacharya, A.
Brillant, S.
Caldwell, J.A.R.
Cassan, A.
Cole, A.
Corrales, E.
Coutures, C.
Dieters, S.
Dominis Prester, D.
Donatowicz, J.
Fouqué, P.
Greenhill, J.
Kane, S.R.
Kubas, D.
Marquette, J.-B.
Menzies, J.
Père, C.
Pollard, K.R.
Zub, M.
Christie, G.
Depoy, D.L.
Dong, S.
Drummond, J.
Gaudi, B.S.
Henderson, C.B.
Hwang, K.H.
Jung, Y.K.
Kavka, A.
Koo, J.-R.
Lee, C.-U.
Maoz, D.
Monard, L.A.G.
Natusch, T.
Ngan, H.
Park, H.
Pogge, R.W.
Porritt, I.
Shin, I.-G.
Shvartzvald, Y.
Tan, T.G.
Yee, J.C.
Abe, F.
Bennett, D.P.
Bond, I.A.
Botzler, C.S.
Freeman, M.
Fukui, A.
Fukunaga, D.
Itow, Y.
Koshimoto, N.
Ling, C.H.
Masuda, K.
Matsubara, Y.
Muraki, Y.
Namba, S.
Ohnishi, K.
Rattenbury, N.J.
Saito, T.
Sullivan, D.J.
Sweatman, W.L.
Suzuki, D.
Tristram, P.J.
Tsurumi, N.
Wada, K.
Yamai, N.
Yock, P.C.M.
Yonehara, A.
Keywords
Binaries: general
Gravitational lensing: micro
Planetary systems
QB Astronomy
QC Physics
Metadata
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Abstract
We present a detailed analysis of survey and follow-up observations of microlensing event OGLE-2012-BLG-0406 based on data obtained from 10 different observatories. Intensive coverage of the light curve, especially the perturbation part, allowed us to accurately measure the parallax effect and lens orbital motion. Combining our measurement of the lens parallax with the angular Einstein radius determined from finite-source effects, we estimate the physical parameters of the lens system. We find that the event was caused by a 2.73 ± 0.43 M J planet orbiting a 0.44 ± 0.07 M ☉ early M-type star. The distance to the lens is 4.97 ± 0.29 kpc and the projected separation between the host star and its planet at the time of the event is 3.45 ± 0.26 AU. We find that the additional coverage provided by follow-up observations, especially during the planetary perturbation, leads to a more accurate determination of the physical parameters of the lens.
Citation
Tsapras , Y , Choi , J-Y , Street , R A , Han , C , Bozza , V , Gould , A , Dominik , M , Beaulieu , J-P , Udalski , A , Jørgensen , U G , Sumi , T , Bramich , D M , Browne , P , Horne , K , Hundertmark , M , Ipatov , S , Kains , N , Snodgrass , C , Steele , I A , Alsubai , K A , Andersen , J M , Novati , S C , Damerdji , Y , Diehl , C , Elyiv , A , Giannini , E , Hardis , S , Harpsøe , K , Hinse , T C , Juncher , D , Kerins , E , Korhonen , H , Liebig , C , Mancini , L , Mathiasen , M , Penny , M T , Rabus , M , Rahvar , S , Scarpetta , G , Skottfelt , J , Southworth , J , Surdej , J , Tregloan-Reed , J , Vilela , C , Wambsganss , J , Skowron , J , Poleski , R , Kozłowski , S , Wyrzykowski , Ł , Szymański , M K , Kubiak , M , Pietrukowicz , P , Pietrzyński , G , Soszyński , I , Ulaczyk , K , Albrow , M D , Bachelet , E , Barry , R , Batista , V , Bhattacharya , A , Brillant , S , Caldwell , J A R , Cassan , A , Cole , A , Corrales , E , Coutures , C , Dieters , S , Dominis Prester , D , Donatowicz , J , Fouqué , P , Greenhill , J , Kane , S R , Kubas , D , Marquette , J-B , Menzies , J , Père , C , Pollard , K R , Zub , M , Christie , G , Depoy , D L , Dong , S , Drummond , J , Gaudi , B S , Henderson , C B , Hwang , K H , Jung , Y K , Kavka , A , Koo , J-R , Lee , C-U , Maoz , D , Monard , L A G , Natusch , T , Ngan , H , Park , H , Pogge , R W , Porritt , I , Shin , I-G , Shvartzvald , Y , Tan , T G , Yee , J C , Abe , F , Bennett , D P , Bond , I A , Botzler , C S , Freeman , M , Fukui , A , Fukunaga , D , Itow , Y , Koshimoto , N , Ling , C H , Masuda , K , Matsubara , Y , Muraki , Y , Namba , S , Ohnishi , K , Rattenbury , N J , Saito , T , Sullivan , D J , Sweatman , W L , Suzuki , D , Tristram , P J , Tsurumi , N , Wada , K , Yamai , N , Yock , P C M & Yonehara , A 2014 , ' A super-Jupiter orbiting a late-type star : a refined analysis of microlensing event OGLE-2012-BLG-0406 ' , Astrophysical Journal , vol. 782 , no. 1 , 48 . https://doi.org/10.1088/0004-637X/782/1/48
Publication
Astrophysical Journal
Status
Peer reviewed
DOI
https://doi.org/10.1088/0004-637X/782/1/48
ISSN
0004-637X
Type
Journal article
Rights
© 2014. The American Astronomical Society. All rights reserved.
Description
D.M.B., M.D., K.H., C.S., R.A.S., K.A.A., M.H., and Y.T. are supported by NPRP grant NPRP-09-476-1-78 from the Qatar National Research Fund (a member of Qatar Foundation). C.S. received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement No. 268421. K.H. is supported by a Royal Society Leverhulme Trust Senior Research Fellowship. J.P.B. and P.F. acknowledge the financial support of Programme National de Plantologie and of IAP. 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. Work by C.H. was supported by Creative Research Initiative Program (2009-0081561) of National Research Foundation of Korea. The MOA experiment was supported by grants JSPS22403003 and JSPS23340064. T.S. acknowledges the support JSPS24253004. T.S. is supported by the grant JSPS23340044. T.C.H. acknowledges support from KRCF via the KRCF Young Scientist Fellowship program and financial support from KASI grant number 2013-9-400-00. Y.M. acknowledges support from JSPS grants JSPS23540339 and JSPS19340058. A.G. and B.S.G. acknowledge support from NSF AST-1103471. M.R. acknowledges support from FONDECYT postdoctoral fellowship No3120097. B.S.G., A.G., and R.W.P. acknowledge support from NASA grant NNX12AB99G. Y.D., A.E., and J.S. acknowledge support from the Communaute francaise de Belgique—Actions de recherche concertees—Academie Wallonie-Europe.
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/5312

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