500 citations · 5.4k across the 126 of their papers we have counts for
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astro-ph2004★ 3 cited
Chandra-LETGS observation of Mrk 279: modeling the AGN internal structure
E. Costantini, J. S. Kaastra, K. C. Steenbrugge +3
We present the Chandra-LETGS analysis of Mrk 279, a bright Seyfert 1 galaxy. The spectrum shows a variety of features arising from different physical environments in the vicinity o…
astro-ph2004★ 64 cited
Integral field spectroscopy of the ultraluminous X-ray source Holmberg II X-1
I. Lehmann, T. Becker, S. Fabrika +10
We present optical integral field observations of the H II region containing the ultraluminous X-ray source Holmberg II X-1. We confirm the existence of an X-ray ionized nebula as…