Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1

Krawczynski, Henric; MULERI, FABIO; Dovčiak, Michal; Veledina, Alexandra; Rodriguez Cavero, Nicole; Svoboda, Jiri; Ingram, Adam; Matt, Giorgio; Garcia, Javier A.; Loktev, Vladislav; Negro, Michela; Slane, Patrick; Spandre, Gloria; Tamagawa, Toru; TAVECCHIO, Fabrizio; Taverna, Roberto; Tawara, Yuzuru; Thomas, Nicholas E.; TROIS, ALESSIO; Tsygankov, Sergey; Turolla, Roberto; Poutanen, Juri; Vink, Jacco; Wu, Kinwah; XIE, FEI; Zane, Silvia; Kitaguchi, Takao; Podgorný, Jakub; RANKIN, John; Zhang, Wenda; Berdyugin, Andrei; Berdyugina, Svetlana V.; Bianchi, Stefano; Blinov, Dmitry; CAPITANIO, FIAMMA; Di Lalla, Niccolò; Draghis, Paul; FABIANI, Sergio; Kagitani, Masato; Kravtsov, Vadim; Kiehlmann, Sebastian; Latronico, Luca; Lutovinov, Alexander A.; Mandarakas, Nikos; Marin, Frédéric; Marinucci, Andrea; Miller, Jon M.; Mizuno, Tsunefumi; Molkov, Sergey V.; Omodei, Nicola; Petrucci, Pierre-Olivier; RATHEESH, AJAY; Sakanoi, Takeshi; Semena, Andrei N.; Skalidis, Raphael; SOFFITTA, PAOLO; Tennant, Allyn F.; Thalhammer, Phillipp; TOMBESI, Francesco; Weisskopf, Martin C.; Wilms, Joern; Zhang, Sixuan; Agudo, Iván; ANTONELLI, Lucio Angelo; BACHETTI, Matteo; Baldini, Luca; Baumgartner, Wayne H.; Bellazzini, Ronaldo; Bongiorno, Stephen D.; Bonino, Raffaella; Brez, Alessandro; BUCCIANTINI, Niccolo'; Castellano, Simone; Cavazzuti, Elisabetta; Ciprini, Stefano; COSTA, ENRICO; DE ROSA, Alessandra; DEL MONTE, Ettore; Di Gesu, Laura; DI MARCO, Alessandro; Donnarumma, Immacolata; Doroshenko, Victor; Ehlert, Steven R.; Enoto, Teruaki; EVANGELISTA, YURI; FERRAZZOLI, Riccardo; Gunji, Shuichi; Hayashida, Kiyoshi; Heyl, Jeremy; Iwakiri, Wataru; Jorstad, Svetlana G.; Karas, Vladimir; Kolodziejczak, Jeffery J.; LA MONACA, Fabio; Liodakis, Ioannis; Maldera, Simone; Manfreda, Alberto; Marscher, Alan P.; Marshall, Herman L.; Mitsuishi, Ikuyuki; Ng, Chi-Yung; O’Dell, Stephen L.; Oppedisano, Chiara; PAPITTO, ALESSANDRO; Pavlov, George G.; Peirson, Abel L.; PERRI, Matteo; Pesce-Rollins, Melissa; PILIA, Maura; POSSENTI, ANDREA; Puccetti, Simonetta; Ramsey, Brian D.; Romani, Roger W.; Sgrò, Carmelo

Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/36573

Title:	Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1
Authors:	Krawczynski, Henric MULERI, FABIO Dovčiak, Michal Veledina, Alexandra Rodriguez Cavero, Nicole Svoboda, Jiri Ingram, Adam Matt, Giorgio Garcia, Javier A. Loktev, Vladislav Negro, Michela Slane, Patrick Spandre, Gloria Tamagawa, Toru TAVECCHIO, Fabrizio Taverna, Roberto Tawara, Yuzuru Thomas, Nicholas E. TROIS, ALESSIO Tsygankov, Sergey Turolla, Roberto Poutanen, Juri Vink, Jacco Wu, Kinwah XIE, FEI Zane, Silvia Kitaguchi, Takao Podgorný, Jakub RANKIN, John Zhang, Wenda Berdyugin, Andrei Berdyugina, Svetlana V. Bianchi, Stefano Blinov, Dmitry CAPITANIO, FIAMMA Di Lalla, Niccolò Draghis, Paul FABIANI, Sergio Kagitani, Masato Kravtsov, Vadim Kiehlmann, Sebastian Latronico, Luca Lutovinov, Alexander A. Mandarakas, Nikos Marin, Frédéric Marinucci, Andrea Miller, Jon M. Mizuno, Tsunefumi Molkov, Sergey V. Omodei, Nicola Petrucci, Pierre-Olivier RATHEESH, AJAY Sakanoi, Takeshi Semena, Andrei N. Skalidis, Raphael SOFFITTA, PAOLO Tennant, Allyn F. Thalhammer, Phillipp TOMBESI, Francesco Weisskopf, Martin C. Wilms, Joern Zhang, Sixuan Agudo, Iván ANTONELLI, Lucio Angelo BACHETTI, Matteo Baldini, Luca Baumgartner, Wayne H. Bellazzini, Ronaldo Bongiorno, Stephen D. Bonino, Raffaella Brez, Alessandro BUCCIANTINI, Niccolo' Castellano, Simone Cavazzuti, Elisabetta Ciprini, Stefano COSTA, ENRICO DE ROSA, Alessandra DEL MONTE, Ettore Di Gesu, Laura DI MARCO, Alessandro Donnarumma, Immacolata Doroshenko, Victor Ehlert, Steven R. Enoto, Teruaki EVANGELISTA, YURI FERRAZZOLI, Riccardo Gunji, Shuichi Hayashida, Kiyoshi Heyl, Jeremy Iwakiri, Wataru Jorstad, Svetlana G. Karas, Vladimir Kolodziejczak, Jeffery J. LA MONACA, Fabio Liodakis, Ioannis Maldera, Simone Manfreda, Alberto Marscher, Alan P. Marshall, Herman L. Mitsuishi, Ikuyuki Ng, Chi-Yung O’Dell, Stephen L. Oppedisano, Chiara PAPITTO, ALESSANDRO Pavlov, George G. Peirson, Abel L. PERRI, Matteo Pesce-Rollins, Melissa PILIA, Maura POSSENTI, ANDREA Puccetti, Simonetta Ramsey, Brian D. Romani, Roger W. Sgrò, Carmelo
Issue Date:	2022
Journal:	SCIENCE
Number:	378
Issue:	6620
First Page:	650
Abstract:	A black hole x-ray binary (XRB) system forms when gas is stripped from a normal star and accretes onto a black hole, which heats the gas sufficiently to emit x-rays. We report a polarimetric observation of the XRB Cygnus X-1 using the Imaging X-ray Polarimetry Explorer. The electric field position angle aligns with the outflowing jet, indicating that the jet is launched from the inner x-ray–emitting region. The polarization degree is 4.01 ± 0.20% at 2 to 8 kiloelectronvolts, implying that the accretion disk is viewed closer to edge-on than the binary orbit. These observations reveal that hot x-ray–emitting plasma is spatially extended in a plane perpendicular to, not parallel to, the jet axis....
URI:	http://hdl.handle.net/20.500.12386/36573
URL:	https://www.science.org/doi/10.1126/science.add5399 https://api.elsevier.com/content/abstract/scopus_id/85141541504
ISSN:	0036-8075
DOI:	10.1126/science.add5399
Fulltext:	open
Appears in Collections:	1.01 Articoli in rivista

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