49 citations · 92 across the 2 of their papers we have counts for
2 papers
astro-ph2006★ 43 cited
The iron K feature in Narrow Line Seyfert 1's: evidence for a P Cygni profile?
C. Done, M. A. Sobolewska, Marek Gierlinski +1
Narrow Line Seyfert 1 galaxies are generally accreting at high fractions of the Eddington limit. They can show complex X-ray spectra, with a strong `soft excess' below 2 keV and a…
astro-ph2006★ 49 cited
What is the origin of the soft excess in AGN?
Malgorzata A. Sobolewska, Chris Done
We investigate the nature of the soft excess below 1 keV observed in AGN. We use the XMM-Newton data of the low redshift, optically bright quasar, PG 1211+143, and we compare it wi…