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XMM-Newton observations of the heavily absorbed Seyfert 1 galaxy IC 4329A
K. C. Steenbrugge, J. S. Kaastra, M. Sako +5
We detect seven distinct absorbing systems in the high-resolution X-ray spectrum of the Seyfert 1 galaxy IC 4329A, taken with XMM-Newton. Firstly we detect absorption due to cold g…
NLTE Model Atmosphere Analysis of the LMC Supersoft X-ray Source CAL 83
Thierry Lanz, Gisela A. Telis, Marc Audard +3
We present a non-LTE model atmosphere analysis of Chandra HRC-S/LETG and XMM-Newton RGS spectroscopy of the prototypical supersoft source CAL 83 in the Large Magellanic Cloud. Take…
Simultaneous X-ray and Ultraviolet spectroscopy of the Seyfert galaxy NGC 5548. III. X-ray time variability
J. S. Kaastra, K. C. Steenbrugge, D. M. Crenshaw +8
The Seyfert 1 galaxy NGC 5548 was observed for a week by Chandra using both the HETGS and LETGS spectrometers. In this paper we study the time variability of the continuum radiatio…