Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992natur.359..615t&link_type=abstract
Nature (ISSN 0028-0836), vol. 359, no. 6396, p. 615, 616.
Astronomy and Astrophysics
Astronomy
116
Gamma Ray Astronomy, Gamma Ray Observatory, Pulsars, Gamma Ray Telescopes, Neutron Stars
Scientific paper
Gamma radiation above 100 MeV in energy has been detected from the radio pulsar PSR1706-44. The gamma emission forms a single broad peak within the pulsar period of 102 ms, in contrast to the two narrow peaks seen in the other three known high-energy gamma-ray pulsars. The emission mechanism in all cases is probably the same, the differences arising from the geometry of the magnetic and rotation axes and the line of sight. Gamma-ray emission accounts for as much as 1 percent of the total neutron star spindown energy in these pulsars, much more than emerges at optical or radio frequencies. Thus, study of this emission is important in understanding pulsar emission and evolution.
Arzoumanian Zaven
Bertsch David L.
Brazier K. T. S.
D'Amico Nichi
Fichtel Carl E.
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