The Properties and Evolution of the Highly Ionized Gas in MR 2251–178

We present the first XMM-Newton observations of the radio-quiet quasar MR 2251-178 obtained in 2000 and 2002. The EPIC pn spectra show a power-law continuum with a slope of gamma = 1.6 at high energies absorbed by at least two warm absorbers (WAs) intrinsic to the source. The underlying continuum in...

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Veröffentlicht in:	The Astrophysical journal 2004-08, Vol.611 (1), p.68-80
Hauptverfasser:	Kaspi, Shai, Netzer, Hagai, Chelouche, Doron, George, Ian M, Nandra, Kirpal, Turner, T. J
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Earth, ocean, space Exact sciences and technology Quasars Quasars. Active or peculiar galaxies, objects, and systems Stellar systems. Galactic and extragalactic objects and systems. The universe
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