The detection of polarized x-ray emission from the magnetar 1E 2259+586

• DOI: 10.48550/arxiv.2311.03637
• Publication Date: 2023-01-01
• Authors: Jeremy Heyl; Roberto Taverna; R. Turolla; G. L. Israel; Mason Ng; Demet Kırmızıbayrak; Denis González–Ca...; Ilaria Caiazzo; Silvia Zane; Steven R. Ehlert; Michela Negro; I. Agudo; L. A. Antonelli; Matteo Bachetti; L. Baldini; W. H. Baumgartner; R. Bellazzini; S. Bianchi; Stephen D. Bongiorno; R. Bonino; A. Brez; N. Bucciantini; Fiamma Capitanio; Simone Castellano; E. Cavazzuti; Chien‐Ting Chen; S. Ciprini; E. Costa; Alessandra De Rosa; E. Del Monte; Laura Di Gesu; Niccolò Di Lalla; Alessandro Di Marco; I. Donnarumma; Victor Doroshenko; Michal Dovčiak; Teruaki Enoto; Y. Evangelista; Sergio Fabiani; Riccardo Ferrazzoli; Javier A. Garcia; Shuichi Gunji; Kiyoshi Hayashida; W. Iwakiri; Svetlana G. Jorstad; P. Kaaret; V. Karas; Fabian Kislat; Takao Kitaguchi; Jeffery J. Kolodz...; H. Krawczynski; Fabio La Monaca; L. Latronico; Ioannis Liodakis; S. Maldera; Alberto Manfreda; Frédéric Marin; Andrea Marinucci; Alan P. Marscher; Herman L. Marshall; F. Massaro; G. Matt; Ikuyuki Mitsuishi; Tsunefumi Mizuno; Fabio Muleri; C. -Y. Ng; Stephen L. O’Dell; N. Omodei; C. Oppedisano; Alessandro Papitto; George G. Pavlov; Abel L. Peirson; M. Perri; M. Pesce-Rollins; Pierre-Olivier Pe...; M. Pilia; Andrea Possenti; Juri Poutanen; Simonetta Puccetti; Brian D. Ramsey; John Rankin; Ajay Ratheesh; O. J. Roberts; Roger W. Romani; C. Sgrò; Patrick Slane; P. Soffitta; G. Spandre; Douglas A. Swartz; Toru Tamagawa; F. Tavecchio; Yuzuru Tawara; Allyn F. Tennant; Nicholas E. Thomas; Francesco Tombesi; A. Trois; Sergey S. Tsygankov; Jacco Vink; Martin C. Weisskopf; Kinwah Wu; Fei Xie
• Keywords: Magnetar

We report on IXPE, NICER and XMM-Newton observations of the magnetar 1E 2259+586. find that source is significantly polarized at about or above 20% for all phases except secondary peak where it more weakly polarized. The polarization degree strongest during primary minimum which also phase an absorption feature has been identified previously (Pizzocaro et al. 2019). angle photons are consistent with a rotating vector model mode switch between rest rotation neutron star. propose scenario in emission (as condensed surface) and, as radiation passes through plasma arch, resonant cyclotron scattering off protons produces observed radiation. This confirms nature surface field greater than 10¹⁵ G