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    Compact symmetric objects and supermassive binary black holes in the VLBA Imaging and Polarimetry Survey

    250381.pdf (8.316Mb)
    Access Status
    Open access
    Authors
    Tremblay, Steven
    Taylor, G.
    Ortiz, A.
    Tremblay, C.
    Helmboldt, J.
    Romani, R.
    Date
    2016
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Tremblay, S. and Taylor, G. and Ortiz, A. and Tremblay, C. and Helmboldt, J. and Romani, R. 2016. Compact symmetric objects and supermassive binary black holes in the VLBA Imaging and Polarimetry Survey. Monthly Notices of the Royal Astronomical Society. 459 (1): pp. 820-840.
    Source Title
    Monthly Notices of the Royal Astronomical Society
    DOI
    10.1093/mnras/stw592
    ISSN
    0035-8711
    School
    Curtin Institute of Radio Astronomy (Physics)
    Remarks

    This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2016 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

    URI
    http://hdl.handle.net/20.500.11937/50711
    Collection
    • Curtin Research Publications
    Abstract

    We present multifrequency Very Long Baseline Array (VLBA) follow-up observations of VLBA Imaging and Polarimetry Survey sources identified as likely compact symmetric objects (CSOs) or supermassive binary black holes (SBBHs). We also present new spectroscopic redshifts for 11 sources observed with the Hobby-Eberly Telescope. While no new SBBHs can be confirmed from these observations, we have identified 24 CSOs in the sample, 15 of which are newly designated, and refuted 52 candidates leaving 33 unconfirmed candidates. This is the first large uniform sample of CSOs which can be used to elicit some of the general properties of these sources, including morphological evolution and environmental interaction. We have detected polarized emission from two of these CSOs the properties of which are consistent with active galactic nuclei unification schemes.

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