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    Multiband VLA Observations of the Faint Radio Core of 3CR 68.1

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    Brotherton_2002_AJ_124_1943.pdf
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    Author
    Brotherton, Michael S.
    Ly, Chun
    Wills, Beverley J.
    Laurent-Muehleisen, Sally A.
    van Breugel, Wil
    Antonucci, R. R. J.
    Affiliation
    Univ Arizona, Steward Observ
    Issue Date
    2002-10
    Keywords
    quasars: general
    quasars: individual (3CR 68.1)
    radio continuum
    
    Metadata
    Show full item record
    Publisher
    IOP Publishing
    Citation
    Brotherton, et al. (2002), AJ, 124, 1943
    Journal
    Astronomical Journal
    Rights
    © 2002. 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
    The large, powerful Fanaroff-Riley class II radio source 3CR 68.1 is an optically red quasar with strong evidence of dust reddening, intrinsic ultraviolet line absorption, and X-ray absorption. In the context of its large, extended radio structure and the evidence for intrinsic material along the line of sight, it is a good candidate for a quasar seen through the edge of an obscuring torus, as proposed by unified schemes. The compact radio core coincident with the optical position of the quasar is extremely weak compared with the very bright and luminous radio lobes, suggesting that the radio core might also suffer absorption. We observed 3CR 68.1 at six frequencies and show that the radio core has a flat spectrum with no evidence of free-free absorption or other strong absorption mechanisms. This result helps establish an empirical intrinsic lower range for core-to-lobe radio flux in the most powerful radio sources.
    ISSN
    0004-6256
    EISSN
    1538-3881
    DOI
    10.1086/342450
    Version
    Final published version
    ae974a485f413a2113503eed53cd6c53
    10.1086/342450
    Scopus Count
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    UA Faculty Publications

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