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Gamma radiation from PSR B1055-52

  • D.J. Thompson
  • , M. Bailes
  • , D.L. Bertsch
  • , J. Cordes
  • , N. D'Amico
  • , J.A. Esposito
  • , J. Finley
  • , R.C. Hartman
  • , W. Hermsen
  • , G. Kanbach
  • , V.M. Kaspi
  • , D.A. Kniffen
  • , L. Kuiper
  • , Y.C. Lin
  • , A. Lyne
  • , R. Manchester
  • , S.M. Matz
  • , H.A. Mayer-Hasselwander
  • , P.F. Michelson
  • , P.L. Nolan
  • H. Ogelman, M. Pohl, P.V. Ramanamurthy, P. Sreekumar, O. Reimer, J.H. Taylor, M. Ulmer

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The telescopes on the Compton Gamma Ray Observatory (CGRO) have observed PSR B1055-52 a number of times between 1991 and 1998. From these data a more detailed picture of the gamma radiation from this source has been developed, showing several characteristics that distinguish this pulsar: the light curve is complex; there is no detectable unpulsed emission; the energy spectrum is hat, with no evidence of a sharp high-energy cutoff up to greater than 4 GeV. Comparisons of the gamma-ray data with observations at longer wavelengths show that no two of the known gamma-ray pulsars have quite the same characteristics; this diversity males interpretation in terms of theoretical models difficult.
    Original languageEnglish
    JournalAstrophysical Journal
    Volume516
    Issue number1
    Pages (from-to)297-306
    ISSN0004-637X
    Publication statusPublished - 1999

    Keywords

    • pulsars : individual (PSR B1055-52)
    • gamma rays : observations

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