Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981rspta.301..495b&link_type=abstract
(Royal Society, Discussion on Gamma-Ray Astronomy, London, England, Nov. 27, 28, 1980.) Royal Society (London), Philosophical Tr
Astronomy and Astrophysics
Astronomy
9
Astronomical Catalogs, Gamma Ray Astronomy, Pulsars, Star Distribution, Stellar Evolution, Supernova Remnants, Galactic Radio Waves, Luminosity, Molecular Clouds, Radiant Flux Density
Scientific paper
The identification of two gamma-ray sources of the COS-B catalogue with radio pulsars is used as an important hint for the identification of the rest of the population. The relevant distributions of gamma-ray pulsars visible at the sun within the limiting sensitivity of COS-B are derived on the following assumptions: (1) the gamma-ray luminosity is a decreasing power law of the pulsar age, as indicated by current models; (2) the scale height of pulsars at creation is equal to that of the supernova remnants; (3) the pulsars' birth rate and spatial distribution are those published by Taylor and Manchester (1977). As a preliminary result it is shown that 10 to 20 gamma-ray pulsars may be visible from the earth with distributional parameters not distinguishable from those of the 2CG gamma-ray sources. It is therefore suggested that a significant fraction of the unidentified galactic gamma-ray sources are pulsars.
Buccheri Rosolino
Morini Marco
Sacco Bruno
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