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. Ögelman, M. Pohl, P. V. Ramanamurthy, P. Sreekumar, O. Reimer, J. H. Taylor, M. Ulmer
*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

108 Citations (Scopus)

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 flat, 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 makes interpretation in terms of theoretical models difficult.

Original languageEnglish
Pages (from-to)297-306
Number of pages10
JournalAstrophysical Journal
Volume516
Issue number1 PART 1
DOIs
Publication statusPublished - 01-05-1999

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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