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OSSE Observations of the Radio Quiet Quasar PG 1416-129

R. Staubert·M. Maisack
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Abstract

We report the detection of the bright radio quiet quasar PG 1416-129 by the OSSE instrument on the Compton Gamma Ray Observatory (CGRO). This object had the hardest spectral index of all known AGN in the energy range 2-20 keV (Gamma=1.1 +- 0.1) when observed by Ginga. We find that the source is variable at energies >50 keV during the OSSE observation, and that the OSSE spectrum is steeper than the Ginga spectrum. The broad-band X-ray spectrum resembles that of Seyfert galaxies, supporting models which interpret radio quiet quasars as the high-luminosity counterparts of Seyferts.

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R. Staubert, M. Maisack. 1996-01-03. OSSE Observations of the Radio Quiet Quasar PG 1416-129. https://arxiv.org/abs/astro-ph/9601007

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