Pulsar studies with COMPTEL

Details Pulsar studies with COMPTEL Pulsar studies with COMPTEL

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apjs...90..823b&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 90, no. 2, p. 823-826

Astronomy and Astrophysics

Astronomy

20

Crab Nebula, Gamma Ray Astronomy, Particle Acceleration, Pulsars, Sky Surveys (Astronomy), Energy Spectra, Ephemerides, Gamma Ray Observatory, Light Curve, Signal To Noise Ratios

Scientific paper

The Compton Gamma-Ray Observatory (C-GRO) has completed a full-sky survey during which the number of known gamma-ray pulsars has more than doubled. COMPTEL has observed the classical pulsars Crab and Vela on several occasions and has derived detailed pulse patterns and spectral parameters in the 0.7-30 MeV energy interval. The new C-GRO gamma-ray pulsars have different properties in terms of energy spectra and light-curve shapes, and, in fact, only the Crab is seen by all four C-GRO instruments. This raises intriguing questions about the particle acceleration processes and beaming taking place in the neutron magnetosphere. We have examined the COMPTEL data to add information on these objects in the 0.7-30 MeV energy interval and present evidence for the detection of one of them, PSR B1509-58. We have also undertaken a search for candidate radio pulsars whose ephemerides are well defined. The results of these analyses are presented.

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