Gamma Radiation from PSR B1055-52

Details Gamma Radiation from PSR B1055-52 Gamma Radiation from PSR B1055-52

1998-11-13

arxiv.org/abs/astro-ph/9811219v1

Astronomy and Astrophysics

Astrophysics

31 pages, 5 figures and 1 separate table, accepted for publication in ApJ

Scientific paper

10.1086/307083

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 which 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 >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 make s interpretation in terms of theoretical models difficult.

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