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The Unidentified Galactic EGRET Sources

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Type
Preprint
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Submission Date
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arXiv ID: astro-ph/9608005
Source
arXiv
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Abstract

The nature of the unidentified gamma-ray point sources in the galactic plane is a long standing puzzle of gamma-ray astronomy. Kaaret and Cottam (1996) showed that 16 of the 25 unidentified gamma-ray point sources near the galactic plane lie in or near associations of massive stars, likely sites of pulsar formation, and that the intrinsic luminosity distribution of the sources is consistent with that of known gamma-ray pulsars. Here, I show there are approximately 5-7 times as many visible gamma-ray pulsars as supernovae remnants. This strengthens the hypothesis that pulsars constitute the majority of the unidentified gamma-ray point sources near the galactic plane.

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