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Chapter
Data from the X-ray Observatory ROSAT
On June Ist, 1990, the ROSAT observatory was launched successfully into a circular orbit of 575 km altitude and 53 degrees inclination. The satellite carries two telescope systems on-board: an X-ray telescope (XR...
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Chapter
Detailed X-Ray Observations of the Cygnus Loop
High quality X-ray spectral and imaging observations of the Cygnus Loop have been obtained with three different instruments. The High Resolution Imager (HRI) on the Einstein Observatory was used to obtain arcseco...