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Evidence for a shock-compressed magnetic field in the northwestern rim of Vela Jr. from X-ray polarimetry

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arxiv 2410.20582 v1 pith:WMG3MRGK submitted 2024-10-27 astro-ph.HE

Dmitry A. Prokhorov , Yi-Jung Yang , Riccardo Ferrazzoli , Jacco Vink , Patrick Slane , Enrico Costa , Stefano Silvestri , Ping Zhou
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Niccolò Bucciantini Alessandro Di Marco Martin C. Weisskopf Luca Baldini Victor Doroshenko Steven R. Ehlert Jeremy Heyl Philip Kaaret Dawoon E. Kim Frédéric Marin Tsunefumi Mizuno Chi-Yung Ng Melissa Pesce-Rollins Carmelo Sgrò Paolo Soffitta Douglas A. Swartz Toru Tamagawa Fei Xie Iván Agudo Lucio A. Antonelli Matteo Bachetti Wayne H. Baumgartner Ronaldo Bellazzini Stefano Bianchi Stephen D. Bongiorno Raffaella Bonino Alessandro Brez Fiamma Capitanio Simone Castellano Elisabetta Cavazzuti Chien-Ting Chen Stefano Ciprini Alessandra De Rosa Ettore Del Monte Laura Di Gesu Niccolò Di Lalla Immacolata Donnarumma Michal Dovčiak Teruaki Enoto Yuri Evangelista Sergio Fabiani Javier A. García Shuichi Gunji Wataru Iwakiri Svetlana G. Jorstad Vladimir Karas Fabian Kislat Takao Kitaguchi Jeffery J. Kolodziejczak Henric Krawczynski Fabio La Monaca Luca Latronico Ioannis Liodakis Simone Maldera Alberto Manfreda Andrea Marinucci Alan P. Marscher Herman L. Marshall Francesco Massaro Giorgio Matt Ikuyuki Mitsuishi Fabio Muleri Michela Negro Stephen L. O'Dell Nicola Omodei Chiara Oppedisano Alessandro Papitto George G. Pavlov Abel L. Peirson Matteo Perri Pierre-Olivier Petrucci Maura Pilia Andrea Possenti Juri Poutanen Simonetta Puccetti Brian D. Ramsey John Rankin Ajay Ratheesh Oliver J. Roberts Roger W. Romani Gloria Spandre Fabrizio Tavecchio Roberto Taverna Yuzuru Tawara Allyn F. Tennant Nicholas E. Thomas Francesco Tombesi Alessio Trois Sergey S. Tsygankov Roberto Turolla Kinwah Wu Silvia Zane
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keywords magneticsnrstangentialyoungfieldx-rayfieldsixpe
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Synchrotron X-ray emission has been detected from nearly a dozen young supernova remnants (SNRs). X-rays of synchrotron origin exhibit linear polarization in a regular, non-randomly oriented magnetic field. The significant polarized X-ray emission from four such SNRs has already been reported on the basis of observations with the Imaging X-ray Polarimetry Explorer (IXPE). The magnetic-field structure as derived from IXPE observations is radial for Cassiopeia A, Tycho's SNR, and SN 1006, and tangential for RX J1713.7-3946. The latter together with the recent detection of a tangential magnetic field in SNR 1E 0102.2-7219 by the Australia Telescope Compact Array in the radio band shows that tangential magnetic fields can also be present in young SNRs. Thus, the dichotomy in polarization between young and middle-aged SNRs (radial magnetic fields in young SNRs, but tangential magnetic fields in middle-aged SNRs), previously noticed in the radio band, deserves additional attention. The present analysis of IXPE observations determines, for the first time, a magnetic-field structure in the northwestern rim of Vela Jr, also known as RX J0852.0-4622, and provides a new example of a young SNR with a tangential magnetic field.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Investigation of the non-thermal X-ray emission from the supernova remnant CTB 37B hosting the magnetar CXOU J171405.7$-$381031

    astro-ph.HE 2024-11 accept novelty 6.0 of 10

    The X-ray spectrum of S1 in SNR CTB 37B is better described by a broken power law with a break near 5.6 keV than by a single power law, and a non-thermal bremsstrahlung model with young electrons can match it.

  2. The hitchhiker's guide to the IXPE data analysis

    astro-ph.HE 2026-04 conditional novelty 3.0 of 10

    A user-oriented guide that collects best practices, data formats, and analysis strategies for extracting polarimetric information from IXPE observations.

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