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    The High Time Resolution Universe survey - IX. Polarimetry of long-period pulsars

    193851_98960_catarina.pdf (2.065Mb)
    9948 Erratum.pdf (124.0Kb)
    Access Status
    Open access
    Authors
    Tiburzi, C.
    Johnston, S.
    Bailes, M.
    Bates, S.
    Bhat, Ramesh
    Burgay, M.
    Burke-Spolaor, S.
    Champion, D.
    Coster, P.
    D'Amico, N.
    Keith, M.
    Kramer, M.
    Levin, L.
    Milia, S.
    Ng, C.
    Possenti, A.
    Stappers, B.
    Thornton, D.
    van Straten, W.
    Date
    2013
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Tiburzi, C. and Johnston, S. and Bailes, M. and Bates, S. and Bhat, N.D.R. and Burgay, M. and Burke-Spolaor, S. and Champion, D. and Coster, P. and D'Amico, N. and Keith, M. and Kramer, M. and Levin, L. and Milia, S. and Ng, C. and Possenti, A. and Stappers, B. and Thornton, D. and van Straten, W. 2013. The High Time Resolution Universe survey - IX. Polarimetry of long-period pulsars. Monthly Notices of the Royal Astronomical Society. 436 (4): pp. 3557-3572.
    Source Title
    Monthly Notices of the Royal Astronomical Society
    DOI
    10.1093/mnras/stt1834
    ISSN
    0035-8711
    School
    School of Science
    Remarks

    This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2013 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

    URI
    http://hdl.handle.net/20.500.11937/9948
    Collection
    • Curtin Research Publications
    Abstract

    We present a polarimetric analysis of 49 long-period pulsars discovered as part of the High Time Resolution Universe (HTRU) southern survey. The sources exhibit the typical characteristics of 'old' pulsars, with low fractional linear and circular polarization and narrow, multi-component profiles. Although the position angle swings are generally complex, for two of the analysed pulsars (J1622-3751 and J1710-2616) we obtained an indication of the geometry via the rotating vector model. We were able to determine a value of the rotation measure (RM) for 34 of the sources which, when combined with their dispersion measures (DM), yields an integrated magnetic field strength along the line of sight. With the data presented here, the total number of values of RM associated with pulsars discovered during the HTRU southern survey sums to 51. The RMs are not consistent with the hypothesis of a counter-clockwise direction of the Galactic magnetic field within an annulus included between 4 and 6 kpc from the Galactic Centre. A partial agreement with a counter-clockwise sense of the Galactic magnetic field within the spiral arms is, however, found in the area of the Carina-Sagittarius arm.

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