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Search for Magnetars in the Galaxy M31 as Periodic X-ray Sources Based on XMM-Newton Data

Popov, S. B.; Pshirkov, M. S.; Zolotukhin, I. Yu.

Several years ago a series of powerful millisecond radio bursts with close dispersion measures was detected toward the galaxy M31. Taking the hypothesis about the possible association of these radio bursts with a magnetar in M31 as a starting point, we have searched for periodic X-ray signal sources using data from the XMM-Newton X-ray telescope. …