Multiwavelength XMM-Newton observations of the Laor et al. sample of PG quasars

We present XMM-Newton/EPIC spectra for the Laor et al. sample of Palomar Green (PG) quasars. We find that a power law provides a reasonable fit to the 2–5 keV region of the spectra. Excess soft X-ray emission below 2 keV is present for all objects, with the exception of those known to contain a warm...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2006-03, Vol.366 (3), p.953-968
Hauptverfasser:	Brocksopp, C., Starling, R. L. C., Schady, P., Mason, K. O., Romero-Colmenero, E., Puchnarewicz, E. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Earth, ocean, space Exact sciences and technology galaxies: active Quasars quasars: general Spectrum analysis X-rays X-rays: galaxies
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