Analysis of Crab X-Ray Polarization Using Deeper Imaging X-Ray Polarimetry Explorer Observations - INSU - Institut national des sciences de l'Univers
Article Dans Une Revue The Astrophysical Journal Année : 2024

Analysis of Crab X-Ray Polarization Using Deeper Imaging X-Ray Polarimetry Explorer Observations

Josephine Wong , Tsunefumi Mizuno , Niccoló Bucciantini , Roger W Romani , Yi-Jung Yang , Kuan Liu , Wei Deng , Kazuho Goya , Fei Xie , Maura Pilia , Philip Kaaret , Martin C Weisskopf , Stefano Silvestri , C.-Y. Ng , Chien-Ting Chen , Iván Agudo , Lucio A Antonelli , Matteo Bachetti , Luca Baldini , Wayne H Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D Bongiorno , Raffaella Bonino , Alessandro Brez , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Stefano Ciprini , Enrico Costa , Alessandra de Rosa , Ettore del Monte , Laura Di Gesu , Niccoló Di Lalla , Alessandro Di Marco , Immacolata Donnarumma , Victor Doroshenko , Michal Dovčiak , Steven R Ehlert , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A Garcia , Shuichi Gunji , Jeremy Heyl , 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 , Frédéric Marin (1) , 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 Lawrence Peirson , Matteo Perri , Melissa Pesce-Rollins , Pierre-Olivier Petrucci (2) , Andrea Possenti , Juri Poutanen , Simonetta Puccetti , Brian D Ramsey , John Rankin , Ajay Ratheesh , Oliver J Roberts , Carmelo Sgró , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A Swartz , Toru Tamagawa , Fabrizio Tavecchio , Roberto Taverna , Yuzuru Tawara , Allyn F Tennant , Nicholas E Thomas , Francesco Tombesi , Alessio Trois , Sergey Tsygankov , Roberto Turolla , Jacco Vink , Kinwah Wu , Silvia Zane
Josephine Wong
Tsunefumi Mizuno
Niccoló Bucciantini
Roger W Romani
Yi-Jung Yang
Kuan Liu
Wei Deng
Kazuho Goya
  • Fonction : Auteur
Fei Xie
Maura Pilia
Philip Kaaret
Martin C Weisskopf
Stefano Silvestri
C.-Y. Ng
Chien-Ting Chen
Iván Agudo
Lucio A Antonelli
Matteo Bachetti
Luca Baldini
Wayne H Baumgartner
Ronaldo Bellazzini
Stefano Bianchi
Stephen D Bongiorno
Raffaella Bonino
Alessandro Brez
Fiamma Capitanio
Simone Castellano
Elisabetta Cavazzuti
Stefano Ciprini
Enrico Costa
Alessandra de Rosa
Ettore del Monte
Laura Di Gesu
  • Fonction : Auteur
Niccoló Di Lalla
Alessandro Di Marco
Immacolata Donnarumma
Victor Doroshenko
Michal Dovčiak
Steven R Ehlert
Teruaki Enoto
Yuri Evangelista
Sergio Fabiani
Riccardo Ferrazzoli
Javier A Garcia
Shuichi Gunji
Jeremy Heyl
Wataru Iwakiri
Svetlana G Jorstad
Vladimir Karas
Fabian Kislat
Takao Kitaguchi
  • Fonction : Auteur
Jeffery J Kolodziejczak
Henric Krawczynski
Fabio La Monaca
Luca Latronico
Ioannis Liodakis
Simone Maldera
Alberto Manfreda
Frédéric Marin
Observatoire astronomique de Strasbourg
Andrea Marinucci
Alan P Marscher
Herman L Marshall
Francesco Massaro
Giorgio Matt
Ikuyuki Mitsuishi
  • Fonction : Auteur
Fabio Muleri
Michela Negro
Stephen L O’dell
Nicola Omodei
Chiara Oppedisano
Alessandro Papitto
George G Pavlov
Abel Lawrence Peirson
Matteo Perri
Melissa Pesce-Rollins
Pierre-Olivier Petrucci
Institut de Planétologie et d'Astrophysique de Grenoble
Andrea Possenti
Juri Poutanen
Simonetta Puccetti
  • Fonction : Auteur
Brian D Ramsey
John Rankin
Ajay Ratheesh
Oliver J Roberts
Carmelo Sgró
Patrick Slane
Paolo Soffitta
Gloria Spandre
Douglas A Swartz
Toru Tamagawa
Fabrizio Tavecchio
Roberto Taverna
Yuzuru Tawara
  • Fonction : Auteur
Allyn F Tennant
Nicholas E Thomas
Francesco Tombesi
Alessio Trois
Sergey Tsygankov
Roberto Turolla
Jacco Vink
Kinwah Wu
Silvia Zane

Résumé

We present Crab X-ray polarization measurements using Imaging X-Ray Polarimetry Explorer (IXPE) data with a total exposure of 300 ks, three times more than the initial 2022 discovery paper. Polarization is detected in three times more pulsar phase bins, revealing an S-shaped +40°polarization angle sweep in the main pulse and >1σ departures from the OPTIMA optical polarization in both pulses, suggesting different radiation mechanisms or sites for the polarized emission at the two wavebands. Our polarization map of the inner nebula reveals a toroidal magnetic field, as seen in prior IXPE analyses. Along the southern jet, the magnetic field orientation relative to the jet axis changes from perpendicular to parallel and the polarization degree decreases by ∼6%. These observations may be explained by kink instabilities along the jet or a collision with a dense, jetdeflecting medium at the tip. Using spectropolarimetric analysis, we find asymmetric polarization in the four quadrants of the inner nebula, as expected for a toroidal field geometry, and a spatial correlation between polarization degree and photon index.

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Planète et Univers [physics]
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https://insu.hal.science/insu-04726210

Soumis le : mardi 8 octobre 2024-15:21:06

Dernière modification le : lundi 9 décembre 2024-03:31:28

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insu-04726210 , version 1 (08-10-2024)

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Josephine Wong, Tsunefumi Mizuno, Niccoló Bucciantini, Roger W Romani, Yi-Jung Yang, et al.. Analysis of Crab X-Ray Polarization Using Deeper Imaging X-Ray Polarimetry Explorer Observations. The Astrophysical Journal, 2024, 973 (2), pp.172. ⟨10.3847/1538-4357/ad6309⟩. ⟨insu-04726210⟩

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