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    Placing high-redshift quasars in perspective: A catalog of spectroscopic properties from the gemini near infrared spectrograph-distant quasar survey

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    Matthews_2021_ApJS_252_15.pdf
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    Author
    Matthews, B.M.
    Shemmer, O.
    Dix, C.
    Brotherton, M.S.
    Myers, A.D.
    Andruchow, I.
    Brandt, W.N.
    Ferrero, G.A.
    Gallagher, S.C.
    Green, R.
    Lira, P.
    Plotkin, R.M.
    Richards, G.T.
    Runnoe, J.C.
    Schneider, D.P.
    Shen, Y.
    Strauss, M.A.
    Wills, B.J.
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    Affiliation
    Steward Observatory, University of Arizona
    Issue Date
    2021
    
    Metadata
    Show full item record
    Publisher
    American Astronomical Society
    Citation
    Matthews, B. M., Shemmer, O., Dix, C., Brotherton, M. S., Myers, A. D., Andruchow, I., ... & Wills, B. J. (2021). Placing High-redshift Quasars in Perspective: A Catalog of Spectroscopic Properties from the Gemini Near Infrared Spectrograph–Distant Quasar Survey. The Astrophysical Journal Supplement Series, 252(2), 15.
    Journal
    Astrophysical Journal, Supplement Series
    Rights
    Copyright © 2021 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 spectroscopic measurements for 226 sources from the Gemini Near Infrared Spectrograph-Distant Quasar Survey (GNIRS-DQS). Being the largest uniform, homogeneous survey of its kind, it represents a fluxlimited sample (mi≤19.0 mag, H≤16.5 mag) of Sloan Digital Sky Survey (SDSS) quasars at 1.5 ≤ z ≤ 3.5 with a monochromatic luminosity (λLλ) at 5100 Å in the range of 1044-1046 erg s-1. A combination of the GNIRS and SDSS spectra covers principal quasar diagnostic features, chiefly the C IV λ1549, Mg II λλ2798, 2803, Hβ λ4861, and [O III] λλ4959, 5007 emission lines, in each source. The spectral inventory will be utilized primarily to develop prescriptions for obtaining more accurate and precise redshifts, black hole masses, and accretion rates for all quasars. Additionally, the measurements will facilitate an understanding of the dependence of rest-frame ultraviolet-optical spectral properties of quasars on redshift, luminosity, and Eddington ratio, and test whether the physical properties of the quasar central engine evolve over cosmic time. © 2021. The American Astronomical Society. All rights reserved.
    Note
    Immediate access
    ISSN
    0067-0049
    DOI
    10.3847/1538-4365/abc705
    Version
    Final published version
    ae974a485f413a2113503eed53cd6c53
    10.3847/1538-4365/abc705
    Scopus Count
    Collections
    UA Faculty Publications

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