Gamma rays of 0.3-30 MeV from PSR0833 - 45

Details Gamma rays of 0.3-30 MeV from PSR0833 - 45 Gamma rays of 0.3-30 MeV from PSR0833 - 45

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984natur.310..214t&link_type=abstract

Nature (ISSN 0028-0836), vol. 310, July 19, 1984, p. 214-216.

Astronomy and Astrophysics

Astronomy

27

Gamma Ray Astronomy, Pulsars, Stellar Spectrophotometry, Light Curve, Spectral Energy Distribution, Spectrum Analysis

Scientific paper

Pulsed gamma rays from the Vela pulsar PSR0833 - 45 are reported for the first time over the medium energy range 0.3-30 MeV. They were observed with a double scatter gamma-ray telescope flown on a balloon over Australia on Nov. 10, 1981, 31 days after a large glitch in the pulsar period. The first and second pulses were detected from single scatters in the top scintillators at energies over 0.3 MeV with statistical significances of 1.6 sigma each, and by double scatters from all detector cell pairs at energies of 1-30 MeV with significance of 4.8 sigma and 3.8 sigma. The phase separation of the two pulses is 0.43 + or - 0.02 at the same absolute phases previously found by SAS2 and COS B for energies over 35 MeV.

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