First X-ray polarization measurement confirms the low black-hole spin in LMC X-3
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2023
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| author | Svoboda, Jiří Dovčiak, Michal Steiner, James F. Muleri, Fabio Ingram, Adam Yilmaz, Anastasiya Cavero, Nicole Rodriguez Marra, Lorenzo Poutanen, Juri Veledina, Alexandra Mojaver, Mehrnoosh Rahbardar Bianchi, Stefano Garcia, Javier Kaaret, Philip Krawczynski, Henric Matt, Giorgio Podgorný, Jakub Weisskopf, Martin C. Kislat, Fabian Petrucci, Pierre-Olivier Brigitte, Maimouna Bursa, Michal Fabiani, Sergio Hu, Kun Chun, Sohee Mastroserio, Guglielmo Mikušincová, Romana Ratheesh, Ajay Romani, Roger W. Soffitta, Paolo Ursini, Francesco Zane, Silvia Agudo, Iván Antonelli, Lucio A. Bachetti, Matteo Baldini, Luca Baumgartner, Wayne H. Bellazzini, Ronaldo Bongiorno, Stephen D. Bonino, Raffaella Brez, Alessandro Bucciantini, Niccolo Capitanio, Fiamma Castellano, Simone Cavazzuti, Elisabetta Chen, Chien-Ting Ciprini, Stefano Costa, Enrico De Rosa, Alessandra Del Monte, Ettore Di Gesu, Laura Di Lalla, Niccolo Di Marco, Alessandro Donnarumma, Immacolata Doroshenko, Victor Ehlert, Steven Enoto, Teruaki Evangelista, Yuri Ferrazzoli, Riccardo Gunji, Shuichi Hayashida, Kiyoshi Heyl, Jeremy Iwakiri, Wataru Jorstad, Svetlana G. Karas, Vladimír Kitaguchi, Takao Kolodziejczak, Jeffery La Monaca, Fabio Latronico, Luca Liodakis, Ioannis Maldera, Simone Manfreda, Alberto Marin, Frédéric Marinucci, Andrea Marscher, Alan P. Marshall, Herman L. Massaro, Francesco Mitsuishi, Ikuyuki Mizuno, Tsunefumi Negro, Michela Ng, C. -Y. O'Dell, Stephen L. Omodei, Nicola Oppedisano, Chiara Papitto, Alessandro Pavlov, George Peirson, Abel Perri, Matteo Pesce-Rollins, Melissa Pilia, Maura Possenti, Andrea Puccetti, Simonetta Ramsey, Brian D. Rankin, John Roberts, Oliver Sgro, Carmelo Slane, Patrick Spandre, Gloria Swartz, Douglas A. Tamagawa, Toru Tavecchio, Fabrizio Taverna, Roberto Tawara, Yuzuru Tennant, Allyn F. Thomas, Nicholas E. Tombesi, Francesco Trois, Alessio Tsygankov, Sergey S. Turolla, Roberto Vink, Jacco Wu, Kinwah Xie, Fei |
| author_facet | Svoboda, Jiří Dovčiak, Michal Steiner, James F. Muleri, Fabio Ingram, Adam Yilmaz, Anastasiya Cavero, Nicole Rodriguez Marra, Lorenzo Poutanen, Juri Veledina, Alexandra Mojaver, Mehrnoosh Rahbardar Bianchi, Stefano Garcia, Javier Kaaret, Philip Krawczynski, Henric Matt, Giorgio Podgorný, Jakub Weisskopf, Martin C. Kislat, Fabian Petrucci, Pierre-Olivier Brigitte, Maimouna Bursa, Michal Fabiani, Sergio Hu, Kun Chun, Sohee Mastroserio, Guglielmo Mikušincová, Romana Ratheesh, Ajay Romani, Roger W. Soffitta, Paolo Ursini, Francesco Zane, Silvia Agudo, Iván Antonelli, Lucio A. Bachetti, Matteo Baldini, Luca Baumgartner, Wayne H. Bellazzini, Ronaldo Bongiorno, Stephen D. Bonino, Raffaella Brez, Alessandro Bucciantini, Niccolo Capitanio, Fiamma Castellano, Simone Cavazzuti, Elisabetta Chen, Chien-Ting Ciprini, Stefano Costa, Enrico De Rosa, Alessandra Del Monte, Ettore Di Gesu, Laura Di Lalla, Niccolo Di Marco, Alessandro Donnarumma, Immacolata Doroshenko, Victor Ehlert, Steven Enoto, Teruaki Evangelista, Yuri Ferrazzoli, Riccardo Gunji, Shuichi Hayashida, Kiyoshi Heyl, Jeremy Iwakiri, Wataru Jorstad, Svetlana G. Karas, Vladimír Kitaguchi, Takao Kolodziejczak, Jeffery La Monaca, Fabio Latronico, Luca Liodakis, Ioannis Maldera, Simone Manfreda, Alberto Marin, Frédéric Marinucci, Andrea Marscher, Alan P. Marshall, Herman L. Massaro, Francesco Mitsuishi, Ikuyuki Mizuno, Tsunefumi Negro, Michela Ng, C. -Y. O'Dell, Stephen L. Omodei, Nicola Oppedisano, Chiara Papitto, Alessandro Pavlov, George Peirson, Abel Perri, Matteo Pesce-Rollins, Melissa Pilia, Maura Possenti, Andrea Puccetti, Simonetta Ramsey, Brian D. Rankin, John Roberts, Oliver Sgro, Carmelo Slane, Patrick Spandre, Gloria Swartz, Douglas A. Tamagawa, Toru Tavecchio, Fabrizio Taverna, Roberto Tawara, Yuzuru Tennant, Allyn F. Thomas, Nicholas E. Tombesi, Francesco Trois, Alessio Tsygankov, Sergey S. Turolla, Roberto Vink, Jacco Wu, Kinwah Xie, Fei |
| contents | X-ray polarization is a powerful tool to investigate the geometry of accreting material around black holes, allowing independent measurements of the black hole spin and orientation of the innermost parts of the accretion disk. We perform the X-ray spectro-polarimetric analysis of an X-ray binary system in the Large Magellanic Cloud, LMC X-3, that hosts a stellar-mass black hole, known to be persistently accreting since its discovery. We report the first detection of the X-ray polarization in LMC X-3 with the Imaging X-ray Polarimetry Explorer, and find the average polarization degree of 3.2% +- 0.6% and a constant polarization angle -42 deg +- 6 deg over the 2-8 keV range. Using accompanying spectroscopic observations by NICER, NuSTAR, and the Neil Gehrels Swift observatories, we confirm previous measurements of the black hole spin via the X-ray continuum method, a ~ 0.2. From polarization analysis only, we found consistent results with low black-hole spin, with an upper limit of a < 0.7 at a 90% confidence level. A slight increase of the polarization degree with energy, similar to other black-hole X-ray binaries in the soft state, is suggested from the data but with a low statistical significance. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2309_10813 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | First X-ray polarization measurement confirms the low black-hole spin in LMC X-3 Svoboda, Jiří Dovčiak, Michal Steiner, James F. Muleri, Fabio Ingram, Adam Yilmaz, Anastasiya Cavero, Nicole Rodriguez Marra, Lorenzo Poutanen, Juri Veledina, Alexandra Mojaver, Mehrnoosh Rahbardar Bianchi, Stefano Garcia, Javier Kaaret, Philip Krawczynski, Henric Matt, Giorgio Podgorný, Jakub Weisskopf, Martin C. Kislat, Fabian Petrucci, Pierre-Olivier Brigitte, Maimouna Bursa, Michal Fabiani, Sergio Hu, Kun Chun, Sohee Mastroserio, Guglielmo Mikušincová, Romana Ratheesh, Ajay Romani, Roger W. Soffitta, Paolo Ursini, Francesco Zane, Silvia Agudo, Iván Antonelli, Lucio A. Bachetti, Matteo Baldini, Luca Baumgartner, Wayne H. Bellazzini, Ronaldo Bongiorno, Stephen D. Bonino, Raffaella Brez, Alessandro Bucciantini, Niccolo Capitanio, Fiamma Castellano, Simone Cavazzuti, Elisabetta Chen, Chien-Ting Ciprini, Stefano Costa, Enrico De Rosa, Alessandra Del Monte, Ettore Di Gesu, Laura Di Lalla, Niccolo Di Marco, Alessandro Donnarumma, Immacolata Doroshenko, Victor Ehlert, Steven Enoto, Teruaki Evangelista, Yuri Ferrazzoli, Riccardo Gunji, Shuichi Hayashida, Kiyoshi Heyl, Jeremy Iwakiri, Wataru Jorstad, Svetlana G. Karas, Vladimír Kitaguchi, Takao Kolodziejczak, Jeffery La Monaca, Fabio Latronico, Luca Liodakis, Ioannis Maldera, Simone Manfreda, Alberto Marin, Frédéric Marinucci, Andrea Marscher, Alan P. Marshall, Herman L. Massaro, Francesco Mitsuishi, Ikuyuki Mizuno, Tsunefumi Negro, Michela Ng, C. -Y. O'Dell, Stephen L. Omodei, Nicola Oppedisano, Chiara Papitto, Alessandro Pavlov, George Peirson, Abel Perri, Matteo Pesce-Rollins, Melissa Pilia, Maura Possenti, Andrea Puccetti, Simonetta Ramsey, Brian D. Rankin, John Roberts, Oliver Sgro, Carmelo Slane, Patrick Spandre, Gloria Swartz, Douglas A. Tamagawa, Toru Tavecchio, Fabrizio Taverna, Roberto Tawara, Yuzuru Tennant, Allyn F. Thomas, Nicholas E. Tombesi, Francesco Trois, Alessio Tsygankov, Sergey S. Turolla, Roberto Vink, Jacco Wu, Kinwah Xie, Fei High Energy Astrophysical Phenomena X-ray polarization is a powerful tool to investigate the geometry of accreting material around black holes, allowing independent measurements of the black hole spin and orientation of the innermost parts of the accretion disk. We perform the X-ray spectro-polarimetric analysis of an X-ray binary system in the Large Magellanic Cloud, LMC X-3, that hosts a stellar-mass black hole, known to be persistently accreting since its discovery. We report the first detection of the X-ray polarization in LMC X-3 with the Imaging X-ray Polarimetry Explorer, and find the average polarization degree of 3.2% +- 0.6% and a constant polarization angle -42 deg +- 6 deg over the 2-8 keV range. Using accompanying spectroscopic observations by NICER, NuSTAR, and the Neil Gehrels Swift observatories, we confirm previous measurements of the black hole spin via the X-ray continuum method, a ~ 0.2. From polarization analysis only, we found consistent results with low black-hole spin, with an upper limit of a < 0.7 at a 90% confidence level. A slight increase of the polarization degree with energy, similar to other black-hole X-ray binaries in the soft state, is suggested from the data but with a low statistical significance. |
| title | First X-ray polarization measurement confirms the low black-hole spin in LMC X-3 |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2309.10813 |