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    A Wide-orbit Exoplanet OGLE-2012-BLG-0838Lb

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    Poleski_2020_AJ_159_261.pdf
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    Author
    Poleski, R.
    Suzuki, Daisuke
    Udalski, A.
    Xie, Xiaojia
    Yee, J. C.
    Koshimoto, Naoki
    Gaudi, B. S.
    Gould, A.
    Skowron, J.
    Szymański, M. K.
    Soszyński, I.
    Pietrukowicz, P.
    Kozłowski, S.
    Wyrzykowski, Ł.
    Ulaczyk, K.
    Abe, Fumio
    Barry, Richard K.
    Bennett, David. P.
    Bhattacharya, Aparna
    Bond, Ian A.
    Donachie, Martin
    Fujii, Hirosane
    Fukui, Akihiko
    Itow, Yoshitaka
    Hirao, Yuki
    Kamei, Yuhei
    Kondo, Iona
    Li, Man Cheung Alex
    Matsubara, Yutaka
    Miyazaki, Shota
    Muraki, Yasushi
    Nagakane, Masayuki
    Ranc, Clément
    Rattenbury, Nicholas J.
    Satoh, Yuki K.
    Shoji, Hikaru
    Suematsu, Haruno
    Sullivan, Denis J.
    Sumi, Takahiro
    Tristram, Paul J.
    Yamakawa, Takeharu
    Yamawaki, Tsubasa
    Yonehara, Atsunori
    Han, C.
    Dong, Subo
    Morzinski, K. M.
    Males, J. R.
    Close, L. M.
    Pogge, R. W.
    Beaulieu, J.-P.
    Marquette, J.-B.
    Show allShow less
    Affiliation
    Univ Arizona, Steward Observ
    Issue Date
    2020-05-14
    Keywords
    Gravitational microlensing
    Exoplanet detection methods
    Extrasolar ice giants
    
    Metadata
    Show full item record
    Publisher
    IOP PUBLISHING LTD
    Citation
    Poleski, R., Suzuki, D., Udalski, A., Xie, X., Yee, J. C., Koshimoto, N., ... & Soszyński, I. (2020). A Wide-orbit Exoplanet OGLE-2012-BLG-0838Lb. The Astronomical Journal, 159(6), 261.
    Journal
    ASTRONOMICAL JOURNAL
    Rights
    © 2020. The American Astronomical Society. All rights reserved.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    We present the discovery of a planet on a very wide orbit in the microlensing event OGLE-2012-BLG-0838. The signal of the planet is well separated from the main peak of the event and the planet-star projected separation is found to be twice the Einstein ring radius, which corresponds to a projected separation of 4 au. Similar planets around low-mass stars are very hard to find using any technique other than microlensing. We discuss microlensing model fitting in detail and discuss the prospects for measuring the mass and distance of the lens system directly.
    ISSN
    0004-6256
    EISSN
    1538-3881
    DOI
    10.3847/1538-3881/ab8a49
    Version
    Final published version
    Sponsors
    National Aeronautics and Space Administration
    ae974a485f413a2113503eed53cd6c53
    10.3847/1538-3881/ab8a49
    Scopus Count
    Collections
    UA Faculty Publications

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