Preprint
Sep 2026
IXPE observation of the new magnetar source EP J223759.5+531421
We report on the detection of polarized X-ray emission from the new Galactic magnetar EP J223759.5+531421, discovered by the Einstein Probe Wide-field X-ray Telescope on 2026 June 28. The Imaging X-ray Polarimetry Explorer (IXPE) follow-up observation started on 2026 July 6 and detected the source at a (absorbed) flux...
R. Taverna, L. Marra, R. Turolla et al.
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