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astro-ph.GA2011★ 85 cited
XMM-Newton observation of 4U 1820-30: Broad band spectrum and the contribution of the cold interstellar medium
E. Costantini, C. Pinto, J. S. Kaastra +6
We present the analysis of the bright X-ray binary 4U 1820-30, based mainly on XMM-Newton-RGS data, but using complementary data from XMM-Epic, Integral, and Chandra-HETG, to inves…
astro-ph.CO2011★ 41 cited
Multiwavelength campaign on Mrk 509. VI. HST/COS observations of the far-ultraviolet spectrum
G. A. Kriss, N. Arav, J. S. Kaastra +15
We present medium resolution (R~20,000) HST/COS ultraviolet spectra covering 1155-1760 A of the Seyfert 1 Mrk 509 obtained simultaneously with a Chandra/LETGS spectrum as part of a…