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astro-ph2003
Gamma-Ray Bursts observed by XMM-Newton
P. T. O'Brien, J. N. Reeves, D. Watson +2
Analysis of observations with XMM-Newton have made a significant contribution to the study of Gamma-ray Burst (GRB) X-ray afterglows. The effective area, bandpass and resolution of…
astro-ph2001
Chandra Grating Observations of Seyfert 1 Galaxies
T. Yaqoob, I. M. George, T. J. Turner
We present new results from a Chandra HETG observation of NGC 5548 and give a comparison of absorption and emission features found in other Seyfert 1 galaxies using Chandra grating…
astro-ph2001
Subtleties in Measuring Iron K Lines in AGN
T. Yaqoob, U. Padmanabhan, T. Dotani +3
Chandra and XMM observations are showing that the Fe-K emission lines in type 1 AGN are composite, in general consisting of a narrow and a broad component. We review the latest Cha…