OGLE-2012-BLG-0563Lb: A Saturn-mass Planet around an M Dwarf with the Mass Constrained by Subaru AO Imaging
- Fukui, A.
- Gould, A.
- Sumi, T.
- Bennett, D. P.
- Bond, I. A.
- Han, C.
- Suzuki, D.
- Beaulieu, J. -P.
- Batista, V.
- Udalski, A.
- Street, R. A.
- Tsapras, Y.
- Hundertmark, M.
- Abe, F.
- Bhattacharya, A.
- Freeman, M.
- Itow, Y.
- Ling, C. H.
- Koshimoto, N.
- Masuda, K.
- Matsubara, Y.
- Muraki, Y.
- Ohnishi, K.
- Philpott, L. C.
- Rattenbury, N.
- Saito, T.
- Sullivan, D. J.
- Tristram, P. J.
- Yonehara, A.
- Choi, J. -Y.
- Christie, G. W.
- Depoy, D. L.
- Dong, Subo
- Drummond, J.
- Gaudi, B. S.
- Hwang, K. -H.
- Kavka, A.
- Lee, C. -U.
- Mccormick, J.
- Natusch, T.
- Ngan, H.
- Park, H.
- Pogge, R. W.
- Shin, I. -G.
- Tan, T. -G.
- Yee, J. C.
- Szymański, M. K.
- Pietrzyński, G.
- Soszyński, I.
- Poleski, R.
- Kozłowski, S.
- Pietrukowicz, P.
- Ulaczyk, K.
- Wyrzykowski, Ł.
- Bramich, D. M.
- Browne, P.
- Dominik, M.
- Horne, K.
- Ipatov, S.
- Kains, N.
- Snodgrass, C.
- Steele, I. A.
DOIAbstract
International audienceWe report the discovery of a microlensing exoplanet OGLE-2012-BLG-0563Lb with the planet-star mass ratio of ∼ 1× {10}-3. Intensive photometric observations of a high-magnification microlensing event allow us to detect a clear signal of the planet. Although no parallax signal is detected in the light curve, we instead succeed at detecting the flux from the host star in high-resolution JHK‧-band images obtained by the Subaru/AO188 and Infrared Camera and Spectrograph instruments, allowing us to constrain the absolute physical parameters of the planetary system. With the help of spectroscopic information about the source star obtained during the high-magnification state by Bensby et al., we find that the lens system is lo...
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