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    HATS-4b: A dense hot Jupiter transiting a super metal-rich G star

    Access Status
    Fulltext not available
    Authors
    Jordán, A.
    Brahm, R.
    Bakos, G.
    Bayliss, D.
    Penev, K.
    Hartman, J.
    Zhou, G.
    Mancini, L.
    Mohler-Fischer, M.
    Ciceri, S.
    Sato, B.
    Csubry, Z.
    Rabus, M.
    Suc, V.
    Espinoza, N.
    Bhatti, W.
    De Val Borro, M.
    Buchhave, L.
    Csák, B.
    Henning, T.
    Schmidt, B.
    Tan, T.
    Noyes, R.
    Béky, B.
    Butler, R.
    Shectman, S.
    Crane, J.
    Thompson, I.
    Williams, Andrew
    Martin, R.
    Contreras, C.
    Lázár, J.
    Papp, I.
    Sári, P.
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Jordán, A. and Brahm, R. and Bakos, G. and Bayliss, D. and Penev, K. and Hartman, J. and Zhou, G. et al. 2014. HATS-4b: A dense hot Jupiter transiting a super metal-rich G star. Astronomical Journal. 148 (2).
    Source Title
    Astronomical Journal
    DOI
    10.1088/0004-6256/148/2/29
    ISSN
    0004-6256
    School
    Curtin Institute of Radio Astronomy (Engineering)
    URI
    http://hdl.handle.net/20.500.11937/73336
    Collection
    • Curtin Research Publications
    Abstract

    We report the discovery by the HATSouth survey of HATS-4b, an extrasolar planet transiting a V = 13.46 mag G star. HATS-4b has a period of P ˜ 2.5167 days, mass of Mp ˜ 1.32 MJup, radius of Rp ˜ 1.02 RJup, and density of ?p = 1.55 ± 0.16 g cm-3 ˜ 1.24 ?Jup. The host star has a mass of 1.00 M?, a radius of 0.92 R?, and a very high metallicity [Fe/H]=0.43 ± 0.08. HATS-4b is among the densest known planets with masses between 1 and 2 MJ and is thus likely to have a significant content of heavy elements of the order of 75 M?. In this paper we present the data reduction, radial velocity measurements, and stellar classification techniques adopted by the HATSouth survey for the CORALIE spectrograph. We also detail a technique for simultaneously estimating vsin i and macroturbulence using high resolution spectra. © 2014. The American Astronomical Society. All rights reserved.

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