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astro-ph2001
A cookbook for the XMMSAS
D. Grupe
This paper will give a short description of a `cookbook' for the XMM-Newton data reduction software XMMSAS. This `cookbook' has been developed at the Max-Planck-Institut für extrat…
astro-ph2001
X-ray transient AGN and galaxies
D. Grupe
X-ray transience is the most extreme form of variability observed in AGN or normal in-active galaxies. While factors of 2-3 on timescales of days to years are quite commen among AG…