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Supersoft X‐Ray Sources in M31. II.<i>ROSAT</i>‐detected Supersoft Sources in the<i>ROSAT</i>,<i>Chandra</i>, and<i>XMM‐Newton</i>Eras
We have performed Chandra observations during the past three years of five of the M31 supersoft X-ray sources discovered with ROSAT. Surprisingly, only one of these sources has been detected, despite a predicted detection of about 20-80 counts for these sources. This has motivated a thorough check of the ROSAT …