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. NolanH. Ögelman, M. Pohl, P. V. Ramanamurthy, P. Sreekumar, O. Reimer, J. H. Taylor, M. Ulmer

*Corresponding author for this work

Research output: Contribution to journalArticle

102 Scopus citations


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 (US)
Pages (from-to)297-306
Number of pages10
JournalAstrophysical Journal
Issue number1 PART 1
StatePublished - May 1 1999


  • Gamma rays: observations
  • Pulsars: individual (PSR B1055-52)

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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    Thompson, D. J., Bailes, M., Bertsch, D. L., Cordes, J., D'Amico, N., Esposito, J. A., Finley, J., Hartman, R. C., Hermsen, W., Kanbach, G., Kaspi, V. M., Kniffen, D. A., Kuiper, L., Lin, Y. C., Lyne, A., Manchester, R., Matz, S. M., Mayer-Hasselwander, H. A., Michelson, P. F., ... Ulmer, M. (1999). Gamma radiation from PSR B1055-52. Astrophysical Journal, 516(1 PART 1), 297-306.