164 citations · 979 across the 23 of their papers we have counts for
Showing 2014 · astro-ph.HEShow all
2 papers · 2 filters
astro-ph.HE2014★ 56 cited
Revealing the X-ray Variability of AGN with Principal Component Analysis
M. L. Parker, A. C. Fabian, G. Matt +7
We analyse a sample of 26 active galactic nuclei with deep XMM-Newton observations, using principal component analysis (PCA) to find model independent spectra of the different vari…
astro-ph.HE2014★ 51 cited
Near-infrared counterparts of ultraluminous X-ray sources
M. Heida, P. G. Jonker, M. A. P. Torres +7
In this paper we present the results of the first systematic search for counterparts to nearby ultraluminous X-ray sources (ULXs) in the near-infrared (NIR). We observed 62 ULXs in…