We propose to continue our magnitude-limited survey of well-known WR binaries that were never observed in X-rays. This detection experiment aims at improving the knowledge of the X-ray emission of col
The ROSAT All-Sky Survey Faint Source Catalogue (RASS-FSC) is derived from the all-sky survey performed during the ROSAT mission in the energy band 0.1-2.4 keV. 105,924 sources are catalogued and repr
