NASA NTRS · 19760022024
SAS-2 galactic gamma ray results. 2. Localized sources
Abstract
Gamma-ray emission was detected from the radio pulsars PSR1818-04 and PSR1747-46, in addition to the previously reported gamma-ray emission from the Crab and Vela pulsars. Since the Crab pulsar is the only one observed in the optical and X-ray bands, these gamma-ray observations suggest a uniquely gamma-ray phenomenon occurring in a fraction of the radio pulsars. Using distance estimates it is found that PSR1818-04 has a gamma-ray luminosity comparable to that of the Crab pulsar, while the luminosities of PSR1747-46 and the Vela pulsar are approximately an order of magnitude lower. This survey of SAS-2 data for pulsar correlations has also yielded upper limits to gamma-ray luminosity for 71 other radio pulsars.
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Hartman, R. C., Fichtel, C. E., Kniffen, D. A., Lamb, R. C., Thompson, D. J., Bignami, G. F., Oegelman, H., Oezel, M. E., Tuemer, T.. 1976-06-01. SAS-2 galactic gamma ray results. 2. Localized sources. https://ntrs.nasa.gov/citations/19760022024
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