ASCA and ROSAT X-ray Spectra of IC 5063 and NGC 3998

Details ASCA and ROSAT X-ray Spectra of IC 5063 and NGC 3998 ASCA and ROSAT X-ray Spectra of IC 5063 and NGC 3998

1997-01-17

arxiv.org/abs/astro-ph/9701122v1

Astronomy and Astrophysics

Astrophysics

2 pages, latex-macro memsait.sty, epsf.sty, to be published in the Proceedings of the conference "From Micro to Mega Parsec",

Scientific paper

The results of the 0.1-10 keV spectral analysis of IC 5063 (Narrow Line Radio Galaxy) and NGC 3998 (LINER) are presented. In both cases there is evidence of a FeK$\alpha$ emission line, but its width is poorly constrained. The highly absorbed spectrum of IC 5063 is well described by a double power law model. The X-ray luminosity of a few $\times$ 10$^{43}$ ergs s$^{-1}$ reveals a Sey 1 nucleus seen nearly edge-on, as confirmed by optical and IR studies. NGC 3998 is well fitted by a power law model ($\Gamma$$\sim$1.9) without reflection and weak absorption. The weak X-ray emission detected by ASCA and ROSAT suggests a low-luminosity AGN or an active nucleus in a low-accretion period.

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