Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...329..831d&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 329, June 15, 1988, p. 831-837.
Astronomy and Astrophysics
Astrophysics
16
Gamma Rays, Light Curve, Pulsars, Stellar Radiation, X Ray Sources, Stellar Luminosity, Supernova Remnants
Scientific paper
Very high energy (VHE) gamma-ray observations of PSR 1509-58 with the Potchefstroom Cerenkov telescope produced positive results which indicate that the light curve has a triple peak with phase conservation for at least 11 days, while the gamma-ray output was steady from night to night. The significance of the third harmonic alone is 6 x 10 to the -7th. A new test was developed to identify this pulsar at a final confidence level of 99.92 percent. The VHE luminosity of this pulsar is 3 x 10 to the 34th ergs/s at an energy threshold of 2 TeV. This luminosity is in accordance with calculations from existing outer gap gamma-ray production models.
de Jager Ocker C.
Nel H. I.
North A. R.
Raubenheimer Christo B.
van Urk G.
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