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    A thirty-four billion solar mass black hole in SMSS J2157-3602, the most luminous known quasar

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    Author
    Onken, Christopher A. cc
    Bian, Fuyan
    Fan, Xiaohui
    Wang, Feige cc
    Wolf, Christian
    Yang, Jinyi
    Affiliation
    Univ Arizona, Steward Observ
    Issue Date
    2020-08
    Keywords
    galaxies: active
    quasars: individual: SMSS J215728.21-360215.1
    
    Metadata
    Show full item record
    Publisher
    OXFORD UNIV PRESS
    Citation
    Christopher A Onken, Fuyan Bian, Xiaohui Fan, Feige Wang, Christian Wolf, Jinyi Yang, A thirty-four billion solar mass black hole in SMSS J2157–3602, the most luminous known quasar, Monthly Notices of the Royal Astronomical Society, Volume 496, Issue 2, August 2020, Pages 2309–2314, https://doi.org/10.1093/mnras/staa1635
    Journal
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
    Rights
    © 2020 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society.
    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
    From near-infrared spectroscopic measurements of the Mg II emission line doublet, we estimate the black hole (BH) mass of the quasar, SMSS J215728.21-360215.1, as being (3.4 +/- 0.6) x 10(10) M circle dot and refine the redshift of the quasar to be z = 4.692. SMSS J2157 is the most luminous known quasar, with a 3000 angstrom luminosity of (4.7 +/- 0.5) x 10(47) erg s(-1) and an estimated bolometric luminosity of 1.6 x 10(48) erg s(-1), yet its Eddington ratio is only similar to 0.4. Thus, the high luminosity of this quasar is a consequence of its extremely large BH - one of the most massive BHs at z > 4.
    Note
    Immediate access
    ISSN
    0035-8711
    EISSN
    1365-2966
    DOI
    10.1093/mnras/staa1635
    Version
    Final published version
    ae974a485f413a2113503eed53cd6c53
    10.1093/mnras/staa1635
    Scopus Count
    Collections
    UA Faculty Publications

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