偏振 X 射线约束黑洞 X 射线双星天鹅座 X-1 中的盘-喷流几何
高能天体物理现象
2023-01-24 v2 广义相对论与量子宇宙学
摘要
当气体从一颗普通恒星被剥离并吸积到黑洞上时，便形成黑洞 X 射线双星（XRB）系统，其将气体加热到足以发射 X 射线的程度。我们报告使用成像 X 射线偏振探测仪对 XRB 天鹅座 X-1 的偏振观测。电场位置角与外流喷流对齐，表明喷流是从内部 X 射线发射区启动的。在 2 至 8 千电子伏特处偏振度为 (4.01±0.20)%，意味着吸积盘比双星轨道更接近于侧视。观测揭示热的 X 射线发射等离子体在垂直于喷轴线的平面内空间延展，而非平行于喷流。
引用
@article{arxiv.2206.09972,
title = {Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1},
author = {Henric Krawczynski and Fabio Muleri and Michal Dovčiak and Alexandra Veledina and Nicole Rodriguez Cavero and Jiri Svoboda and Adam Ingram and Giorgio Matt and Javier A. Garcia and Vladislav Loktev and Michela Negro and Juri Poutanen and Takao Kitaguchi and Jakub Podgorný and John Rankin and Wenda Zhang and Andrei Berdyugin and Svetlana V. Berdyugina and Stefano Bianchi and Dmitry Blinov and Fiamma Capitanio and Niccolò Di Lalla and Paul Draghis and Sergio Fabiani and Masato Kagitani and Vadim Kravtsov and Sebastian Kiehlmann and Luca Latronico and Alexander A. Lutovinov and Nikos Mandarakas and Frédéric Marin and Andrea Marinucci and Jon Miller and Tsunefumi Mizuno and Sergey V. Molkov and Nicola Omodei and Pierre-Olivier Petrucci and Ajay Ratheesh and Takeshi Sakanoi and Andrei N. Semena and Raphael Skalidis and Paolo Soffitta and Allyn F. Tennant and Phillipp Thalhammer and Francesco Tombesi and Martin C. Weisskopf and Joern Wilms and Sixuan Zhang and Iván Agudo and Lucio A. Antonelli and Matteo Bachetti and Luca Baldini and Wayne H. Baumgartner and Ronaldo Bellazzini and Stephen D. Bongiorno and Raffaella Bonino and Alessandro Brez and Niccolò Bucciantini and Simone Castellano and Elisabetta Cavazzuti and Stefano Ciprini and Enrico Costa and Alessandra De Rosa and Ettore Del Monte and Laura Di Gesu and Alessandro Di Marco and Immacolata Donnarumma and Victor Doroshenko and Steven R. Ehlert and Teruaki Enoto and Yuri Evangelista and Riccardo Ferrazzoli and Shuichi Gunji and Kiyoshi Hayashida and Jeremy Heyl and Wataru Iwakiri and Svetlana G. Jorstad and Vladimir Karas and Jeffery J. Kolodziejczak and Fabio La Monaca and Ioannis Liodakis and Simone Maldera and Alberto Manfreda and Alan P. Marscher and Herman L. Marshall and Ikuyuki Mitsuishi and C. -Y. Ng and Stephen L. O'Dell and Chiara Oppedisano and Alessandro Papitto and George G. Pavlov and Abel L. Peirson and Matteo Perri and Melissa Pesce-Rollins and Maura Pilia and Andrea Possenti and Simonetta Puccetti and Brian D. Ramsey and Roger W. Romani and Carmelo Sgrò and Patrick Slane and Gloria Spandre and Toru Tamagawa and Fabrizio Tavecchio and Roberto Taverna and Yuzuru Tawara and Nicolas E. Thomas and Alessio Trois and Sergey Tsygankov and Roberto Turolla and Jacco Vink and Kinwah Wu and Fei Xie and Silvia Zane},
journal= {arXiv preprint arXiv:2206.09972},
year = {2023}
}
备注
51 pages, 15 figures, 5 tables