X-Ray Polarimetry Reveals the Magnetic-field Topology on Sub-parsec Scales in Tycho's Supernova Remnant

Riccardo Ferrazzoli; Patrick Slane; Dmitry Prokhorov; Ping Zhou; Jacco Vink; Niccolò Bucciantini; Enrico Costa; Niccolò Di Lalla; Alessandro Di Marco; Paolo Soffitta; Martin C. Weisskopf; Kazunori Asakura; Luca Baldini; Jeremy Heyl; Philip E. Kaaret; Frédéric Marin; Tsunefumi Mizuno; C. -Y. Ng; Melissa Pesce-Rollins; Stefano Silvestri; Carmelo Sgrò; Douglas A. Swartz; Toru Tamagawa; Yi-Jung Yang; 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; Immacolata Donnarumma; Victor Doroshenko; Michal Dovčiak; Steven R. Ehlert; Teruaki Enoto; Yuri Evangelista; Sergio Fabiani; Javier A. Garcia; Shuichi Gunji; Kiyoshi Hayashida; Wataru Iwakiri; Svetlana G. Jorstad; Fabian Kislat; Vladimir Karas; 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; 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 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; Fei Xie; Silvia Zane

doi:10.3847/1538-4357/acb496

Journal Articles The Astrophysical Journal Year : 2023

X-Ray Polarimetry Reveals the Magnetic-field Topology on Sub-parsec Scales in Tycho's Supernova Remnant

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Riccardo Ferrazzoli

Function : Author

Patrick Slane

Function : Author

Dmitry Prokhorov

Function : Author

Ping Zhou

Function : Author

Jacco Vink

Function : Author

Niccolò Bucciantini

Function : Author

Enrico Costa

Function : Author

Niccolò Di Lalla

Function : Author

Alessandro Di Marco

Function : Author

Paolo Soffitta

Function : Author

Martin C. Weisskopf

Function : Author

Kazunori Asakura

Function : Author

Luca Baldini

Function : Author

Jeremy Heyl

Function : Author

Philip E. Kaaret

Function : Author

Frédéric Marin

Function : Author

Observatoire astronomique de Strasbourg

Tsunefumi Mizuno

Function : Author

C. -Y. Ng

Function : Author

Melissa Pesce-Rollins

Function : Author

Stefano Silvestri

Function : Author

Carmelo Sgrò

Function : Author

Douglas A. Swartz

Function : Author

Toru Tamagawa

Function : Author

Yi-Jung Yang

Function : Author

Iván Agudo

Function : Author

Lucio A. Antonelli

Function : Author

Matteo Bachetti

Function : Author

Wayne H. Baumgartner

Function : Author

Ronaldo Bellazzini

Function : Author

Stefano Bianchi

Function : Author

Stephen D. Bongiorno

Function : Author

Raffaella Bonino

Function : Author

Alessandro Brez

Function : Author

Fiamma Capitanio

Function : Author

Simone Castellano

Function : Author

Elisabetta Cavazzuti

Function : Author

Chien-Ting Chen

Function : Author

Stefano Ciprini

Function : Author

Alessandra de Rosa

Function : Author

Ettore del Monte

Function : Author

Laura Di Gesu

Function : Author

Immacolata Donnarumma

Function : Author

Victor Doroshenko

Function : Author

Michal Dovčiak

Function : Author

Steven R. Ehlert

Function : Author

Teruaki Enoto

Function : Author

Yuri Evangelista

Function : Author

Sergio Fabiani

Function : Author

Javier A. Garcia

Function : Author

Shuichi Gunji

Function : Author

Kiyoshi Hayashida

Function : Author

Wataru Iwakiri

Function : Author

Svetlana G. Jorstad

Function : Author

Fabian Kislat

Function : Author

Vladimir Karas

Function : Author

Takao Kitaguchi

Function : Author

Jeffery J. Kolodziejczak

Function : Author

Henric Krawczynski

Function : Author

Fabio La Monaca

Function : Author

Luca Latronico

Function : Author

Ioannis Liodakis

Function : Author

Simone Maldera

Function : Author

Alberto Manfreda

Function : Author

Andrea Marinucci

Function : Author

Alan P. Marscher

Function : Author

Herman L. Marshall

Function : Author

Giorgio Matt

Function : Author

Ikuyuki Mitsuishi

Function : Author

Fabio Muleri

Function : Author

Michela Negro

Function : Author

Stephen L. O'Dell

Function : Author

Nicola Omodei

Function : Author

Chiara Oppedisano

Function : Author

Alessandro Papitto

Function : Author

George G. Pavlov

Function : Author

Abel L. Peirson

Function : Author

Matteo Perri

Function : Author

Pierre-Olivier Petrucci

Function : Author

Institut de Planétologie et d'Astrophysique de Grenoble

Maura Pilia

Function : Author

Andrea Possenti

Function : Author

Juri Poutanen

Function : Author

Simonetta Puccetti

Function : Author

Brian D. Ramsey

Function : Author

John Rankin

Function : Author

Ajay Ratheesh

Function : Author

Oliver Roberts

Function : Author

Roger W. Romani

Function : Author

Gloria Spandre

Function : Author

Fabrizio Tavecchio

Function : Author

Roberto Taverna

Function : Author

Yuzuru Tawara

Function : Author

Allyn F. Tennant

Function : Author

Nicholas E. Thomas

Function : Author

Francesco Tombesi

Function : Author

Alessio Trois

Function : Author

Sergey S. Tsygankov

Function : Author

Roberto Turolla

Function : Author

Kinwah Wu

Function : Author

Fei Xie

Function : Author

Silvia Zane

Function : Author

Abstract

Supernova remnants are commonly considered to produce most of the Galactic cosmic rays via diffusive shock acceleration. However, many questions regarding the physical conditions at shock fronts, such as the magnetic-field morphology close to the particle acceleration sites, remain open. Here we report the detection of a localized polarization signal from some synchrotron X-ray emitting regions of Tycho's supernova remnant made by the Imaging X-ray Polarimetry Explorer. The derived degree of polarization of the X-ray synchrotron emission is 9% ± 2% averaged over the whole remnant, and 12% ± 2% at the rim, higher than the value of polarization of 7%-8% observed in the radio band. In the west region, the degree of polarization is 23% ± 4%. The degree of X-ray polarization in Tycho is higher than for Cassiopeia A, suggesting a more ordered magnetic field or a larger maximum turbulence scale. The measured tangential direction of polarization corresponds to the radial magnetic field, and is consistent with that observed in the radio band. These results are compatible with the expectation of turbulence produced by an anisotropic cascade of a radial magnetic field near the shock, where we derive a magnetic-field amplification factor of 3.4 ± 0.3. The fact that this value is significantly smaller than those expected from acceleration models is indicative of highly anisotropic magnetic-field turbulence, or that the emitting electrons either favor regions of lower turbulence, or accumulate close to where the orientation of the magnetic field is preferentially radially oriented due to hydrodynamical instabilities.

Keywords

Supernova remnants Polarimetry X-ray astronomy 1667 1278 1810 Astrophysics - High Energy Astrophysical Phenomena

Domains

Sciences of the Universe [physics]

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Ferrazzoli_2023_ApJ_945_52.pdf (1.8 Mo)

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https://hal-insu.archives-ouvertes.fr/insu-04037288

Submitted on : Thursday, March 23, 2023-7:33:55 AM

Last modification on : Monday, May 1, 2023-4:06:15 AM

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insu-04037288 , version 1 (23-03-2023)

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HAL Id : insu-04037288 , version 1
ARXIV : 2301.07397
BIBCODE : 2023ApJ...945...52F
DOI : 10.3847/1538-4357/acb496

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Riccardo Ferrazzoli, Patrick Slane, Dmitry Prokhorov, Ping Zhou, Jacco Vink, et al.. X-Ray Polarimetry Reveals the Magnetic-field Topology on Sub-parsec Scales in Tycho's Supernova Remnant. The Astrophysical Journal, 2023, 945, ⟨10.3847/1538-4357/acb496⟩. ⟨insu-04037288⟩

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X-Ray Polarimetry Reveals the Magnetic-field Topology on Sub-parsec Scales in Tycho's Supernova Remnant

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