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- W1968796314 abstract "view Abstract Citations (13) References (45) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS EGRET Detection of the Blazar PKS 0420-014 Radecke, H. -D. ; Bertsch, D. L. ; Dingus, B. L. ; Fichtel, C. E. ; Hartman, R. C. ; Hunter, S. D. ; Kanbach, G. ; Kniffen, D. A. ; Lin, Y. C. ; Mattox, J. R. ; Mayer-Hasselwander, H. A. ; Michelson, P. F. ; von Montigny, C. ; Nolan, P. L. ; Schneid, E. ; Thompson, D. J. Abstract During its full-sky survey, the EGRET high-energy instrument aboard the Compton Gamma-Ray Observatory detected gamma-ray emission in the energy range above 30 MeV from a source identified as the blazar PKS 0420-014. This object was observed during two separate viewing periods in 1992 February/March and May/June. An intensity decrease above 100 MeV of a factor of at least 1.5 from a maximum of (5.0 +/- 1.4) x 10^-7^ photons cm^-2^ s^-1^ was observed during that time interval indicating extensive variability. The photon spectrum in the range between 30 and 10,000 MeV at the time of the maximum intensity is well represented by a power law with an exponent of -1.9 +/- 0.3. Some similarities with other EGRET detected blazars are briefly discussed. Publication: The Astrophysical Journal Pub Date: January 1995 DOI: 10.1086/175109 Bibcode: 1995ApJ...438..659R Keywords: Blazars; Emission Spectra; Gamma Rays; Quasars; Sky Surveys (Astronomy); Astronomical Models; Detection; Gamma Ray Observatory; Identifying; Luminosity; Astrophysics full text sources ADS | data products SIMBAD (2) NED (1) HEASARC (1)" @default.
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- W1968796314 date "1995-01-01" @default.
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- W1968796314 title "EGRET detection of the blazar PKS 0420-014" @default.
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