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The X-ray lightcurve of SN 1987A
G. Hasinger, B. Aschenbach, J. Trümper
X-ray observations of SN 1987A in the Magellanic Clouds have been performed throughout the ROSAT mission, using the PSPC and the HRI detectors. We present the X-ray light curve bas…
The Long-Term X-Ray Lightcurve of RX J0527.8-6954
J. Greiner, R. Schwarz, G. Hasinger +1
We present further observational data of the supersoft X-ray source RX J0527.8-6954 exhibiting a continuous decline over the past 5 yrs. With no clear trend of a concordant tempera…
Optical and X-ray properties of the RIXOS AGN: I - The continua
E. M. Puchnarewicz, K. O. Mason, E. Romero-Colmenero +6
We present measurements of the optical and X-ray continua of 108 AGN (Seyfert 1s and quasars) from the Rosat International X-ray/Optical Survey (RIXOS). The sample covers a wide ra…
The long-term X-ray lightcurve of RX J0527.8--6954
J. Greiner, R. Schwarz, G. Hasinger +1
Supersoft X-ray sources are commonly believed to be stably burning white dwarfs. However, the observations of some supersoft sources show dramatic variability of their X-ray flux o…