Ogle-2011-BLG-0265LB: a jovian microlensing planet orbiting an M dwarf
- Skowron, J.
- Shin, I.-G.
- Udalski, A.
- Han, C.
- Sumi, T.
- Shvartzvald, Y.
- Gould, A.
- Dominis Prester, D.
- Street, R. A.
- Jørgensen, U. G.
- Bennett, D. P.
- Bozza, V.
- Szymański, M. K.
- Kubiak, M.
- Pietrzyński, G.
- Soszyński, I.
- Poleski, R.
- Kozłowski, S.
- Pietrukowicz, P.
- Ulaczyk, K.
- Wyrzykowski, Ł.
- Abe, F.
- Bhattacharya, A.
- Bond, I. A.
- Botzler, C. S.
- Freeman, M.
- Fukui, A.
- Fukunaga, D.
- Itow, Y.
- Ling, C. H.
- Koshimoto, N.
- Masuda, K.
- Matsubara, Y.
- Muraki, Y.
- Namba, S.
- Ohnishi, K.
- Philpott, L. C.
- Rattenbury, N.
- Saito, T.
- Sullivan, D. J.
- Suzuki, D.
- Tristram, P. J.
- Yock, P. C. M.
- Maoz, D.
- Kaspi, S.
- Friedmann, M.
- Almeida, L. A.
- Batista, V.
- Christie, G.
- Choi, J.-Y.
- DePoy, D. L.
- Gaudi, B. S.
- Henderson, C.
- Hwang, K.-H.
- Jablonski, F.
- Jung, Y. K.
- Lee, C.-U.
- McCormick, J.
- Natusch, T.
- Ngan, H.
- Park, H.
- Pogge, R. W.
- Yee, J. C.
- Albrow, M. D.
- Bachelet, E.
- Beaulieu, J.-P.
- Brillant, S.
- Caldwell, J. A. R.
- Cassan, A.
- Cole, A.
- Corrales, E.
- Coutures, Ch.
- Dieters, S.
- Donatowicz, J.
- Fouqué, P.
- Greenhill, J.
- Kains, N.
- Kane, S. R.
- Kubas, D.
- Marquette, J.-B.
- Martin, R.
- Menzies, J.
- Pollard, K. R.
- Ranc, C.
- Sahu, K. C.
- Wambsganss, J.
- Williams, A.
- Wouters, D.
- Tsapras, Y.
- Bramich, D. M.
- Horne, K.
- Hundertmark, M.
- Snodgrass, C.
- Steele, I. A.
- Alsubai, K. A.
- Browne, P.
- Burgdorf, M. J.
- Calchi Novati, S.
- Dodds, P.
- Dominik, M.
- Dreizler, S.
- Fang, X.-S.
- Gu, C.-H.
- Hardis, S.
- Harpsøe, K.
- Hessman, F. V.
- Hinse, T. C.
- Hornstrup, A.
- Jessen-Hansen, J.
- Kerins, E.
- Liebig, C.
- Lund, M.
- Lundkvist, M.
- Mancini, L.
- Mathiasen, M.
- Penny, M. T.
- Rahvar, S.
- Ricci, D.
- Scarpetta, G.
- Skottfelt, J.
- Southworth, J.
- Surdej, J.
- Tregloan-Reed, J.
- Wertz, O.
DOIAbstract
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. The final microlensing solution remains, however, 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 Mp = 0.9 ± 0.3 MJ, and the planet is orbiting a star with a mass M = 0.22 ± 0.06 M⊙. The second ...
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