Low energy gamma-ray observations of CG135+1 and CG195+4

Low energy gamma-ray observations of CG135+1 and CG195+4

Regions of the sky containing the high energy γ-ray sources CG135+1 and CG195+4 were searched for X-ray and γ-ray emission in the energy range from 20 keV to 25MeV from balloon altitudes on October 8, 1978. A 5σ excess was measured in the counting rate of the telescope above 120 keV from the region...

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Veröffentlicht in:Advances in space research 1981, Vol.1 (13), p.231-234
Hauptverfasser: Di Cocco, G., Boella, G., Della Ventura, A., Mangia, G., Perotti, F., Villa, G., Baker, R.E., Butler, R.C., Dean, A.J., Hayles, R.I., Ramsden, D.
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Sprache:eng
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Zusammenfassung:Regions of the sky containing the high energy γ-ray sources CG135+1 and CG195+4 were searched for X-ray and γ-ray emission in the energy range from 20 keV to 25MeV from balloon altitudes on October 8, 1978. A 5σ excess was measured in the counting rate of the telescope above 120 keV from the region of the sky containing CG135+1 and the spectrum of the source evaluated. No X- and γ-rays were found from CG195+4.
ISSN:0273-1177
1879-1948
DOI:10.1016/0273-1177(81)90200-3