Showing 2000Show all
3 papers · 1 filter
astro-ph2000
Stellar Coronae with \textit{XMM-Newton} RGS. II. X-ray Variability
M. Audard, M. Guedel, A. J. den Boggende +16
First results from high-resolution coronal spectroscopy of flares with the Reflection Grating Spectrometers on board the \textit{XMM-Newton} satellite are reviewed. Rotational modu…
astro-ph2000
Stellar Coronae with \textit{XMM-Newton} RGS. I. Coronal Structure
M. Guedel, M. Audard, A. J. den Boggende +16
First results from high-resolution coronal spectroscopy with the {\it XMM-Newton} Reflection Grating Spectrometers (RGS) are reviewed. Five stellar systems (HR 1099, Capella, Procy…
astro-ph2000
X-ray absorption lines in the Seyfert 1 galaxy NGC 5548 discovered with Chandra-LETGS
J. S. Kaastra, R. Mewe, D. A. Liedahl +2
We present for the first time a high-resolution X-ray spectrum of a Seyfert galaxy. The Chandra-LETGS spectrum of NGC 5548 shows strong, narrow absorption lines from highly ionised…