通过多波段极化确定蓝鸟 X 射线辐射的来源
高能天体物理现象
2025-06-18 v2
摘要
黑洞天体射线中的高能辐射来源是一个高度争议的问题。这在特别是来自超大质量黑洞的射线中尤为如此，因为它们是宇宙中最强的粒子加速器之一。迄今为止，新的观测和新的信使的加入仅仅制造了更多的问题而非答案。然而，新近可得的 X 射线极化观测正有望最终区分辐射模型。我们利用广泛的多波段和极化 campaign 以及最先进的极化光谱能量分布模型来攻击这个问题，专注于蓝鸟 BL Lacertae 在flaring 和 quiescent γ 射线状态下的两次 X 射线极化观测。我们发现，无论喷流组成及其底层辐射模型如何，逆碰撞散射来自相对论电子都在 X 射线能级占据主导地位。
引用
@article{arxiv.2505.13603,
title = {Determining the origin of the X-ray emission in blazars through multiwavelength polarization},
author = {Ioannis Liodakis and Haocheng Zhang and Stella Boula and Riccardo Middei and Jorge Otero-Santos and Dmitry Blinov and Iván Agudo and Markus Böttcher and Chien-Ting Chen and Steven R. Ehlert and Svetlana G. Jorstad and Philip Kaaret and Henric Krawczynski and Abel L. Peirson and Roger W. Romani and Fabrizio Tavecchio and Martin C. Weisskopf and Pouya M. Kouch and Elina Lindfors and Kari Nilsson and Callum McCall and Helen E. Jermak and Iain A. Steele and Ioannis Myserlis and Mark Gurwell and Garrett K. Keating and Ramprasad Rao and Sincheol Kang and Sang-Sung Lee and Sanghyun Kim and Whee Yeon Cheong and Hyeon-Woo Jeong and Emmanouil Angelakis and Alexander Kraus and Francisco José Aceituno and Giacomo Bonnoli and Víctor Casanova and Juan Escudero and Beatriz Agís-González and Daniel Morcuende and Alfredo Sota and Rumen Bachev and Tatiana S. Grishina and Evgenia N. Kopatskaya and Elena G. Larionova and Daria A. Morozova and Sergey S. Savchenko and Ekaterina V. Shishkina and Ivan S. Troitskiy and Yulia V. Troitskaya and Andrey A. Vasilyev},
journal= {arXiv preprint arXiv:2505.13603},
year = {2025}
}
备注
10 pages, 15 figures, 4 Tables, published in A&A