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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2505.13603 |
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| _version_ | 1866912435195084800 |
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| author | Liodakis, Ioannis Zhang, Haocheng Boula, Stella Middei, Riccardo Otero-Santos, Jorge Blinov, Dmitry Agudo, Iván Böttcher, Markus Chen, Chien-Ting Ehlert, Steven R. Jorstad, Svetlana G. Kaaret, Philip Krawczynski, Henric Peirson, Abel L. Romani, Roger W. Tavecchio, Fabrizio Weisskopf, Martin C. Kouch, Pouya M. Lindfors, Elina Nilsson, Kari McCall, Callum Jermak, Helen E. Steele, Iain A. Myserlis, Ioannis Gurwell, Mark Keating, Garrett K. Rao, Ramprasad Kang, Sincheol Lee, Sang-Sung Kim, Sanghyun Cheong, Whee Yeon Jeong, Hyeon-Woo Angelakis, Emmanouil Kraus, Alexander Aceituno, Francisco José Bonnoli, Giacomo Casanova, Víctor Escudero, Juan Agís-González, Beatriz Morcuende, Daniel Sota, Alfredo Bachev, Rumen Grishina, Tatiana S. Kopatskaya, Evgenia N. Larionova, Elena G. Morozova, Daria A. Savchenko, Sergey S. Shishkina, Ekaterina V. Troitskiy, Ivan S. Troitskaya, Yulia V. Vasilyev, Andrey A. |
| author_facet | Liodakis, Ioannis Zhang, Haocheng Boula, Stella Middei, Riccardo Otero-Santos, Jorge Blinov, Dmitry Agudo, Iván Böttcher, Markus Chen, Chien-Ting Ehlert, Steven R. Jorstad, Svetlana G. Kaaret, Philip Krawczynski, Henric Peirson, Abel L. Romani, Roger W. Tavecchio, Fabrizio Weisskopf, Martin C. Kouch, Pouya M. Lindfors, Elina Nilsson, Kari McCall, Callum Jermak, Helen E. Steele, Iain A. Myserlis, Ioannis Gurwell, Mark Keating, Garrett K. Rao, Ramprasad Kang, Sincheol Lee, Sang-Sung Kim, Sanghyun Cheong, Whee Yeon Jeong, Hyeon-Woo Angelakis, Emmanouil Kraus, Alexander Aceituno, Francisco José Bonnoli, Giacomo Casanova, Víctor Escudero, Juan Agís-González, Beatriz Morcuende, Daniel Sota, Alfredo Bachev, Rumen Grishina, Tatiana S. Kopatskaya, Evgenia N. Larionova, Elena G. Morozova, Daria A. Savchenko, Sergey S. Shishkina, Ekaterina V. Troitskiy, Ivan S. Troitskaya, Yulia V. Vasilyev, Andrey A. |
| contents | The origin of the high-energy emission in astrophysical jets from black holes is a highly debated issue. This is particularly true for jets from supermassive black holes that are among the most powerful particle accelerators in the Universe. So far, the addition of new observations and new messengers have only managed to create more questions than answers. However, the newly available X-ray polarization observations promise to finally distinguish between emission models. We use extensive multiwavelength and polarization campaigns as well as state-of-the-art polarized spectral energy distribution models to attack this problem by focusing on two X-ray polarization observations of blazar BL Lacertae in flaring and quiescent $γ$-ray states. We find that regardless of the jet composition and underlying emission model, inverse-Compton scattering from relativistic electrons dominates at X-ray energies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_13603 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Determining the origin of the X-ray emission in blazars through multiwavelength polarization Liodakis, Ioannis Zhang, Haocheng Boula, Stella Middei, Riccardo Otero-Santos, Jorge Blinov, Dmitry Agudo, Iván Böttcher, Markus Chen, Chien-Ting Ehlert, Steven R. Jorstad, Svetlana G. Kaaret, Philip Krawczynski, Henric Peirson, Abel L. Romani, Roger W. Tavecchio, Fabrizio Weisskopf, Martin C. Kouch, Pouya M. Lindfors, Elina Nilsson, Kari McCall, Callum Jermak, Helen E. Steele, Iain A. Myserlis, Ioannis Gurwell, Mark Keating, Garrett K. Rao, Ramprasad Kang, Sincheol Lee, Sang-Sung Kim, Sanghyun Cheong, Whee Yeon Jeong, Hyeon-Woo Angelakis, Emmanouil Kraus, Alexander Aceituno, Francisco José Bonnoli, Giacomo Casanova, Víctor Escudero, Juan Agís-González, Beatriz Morcuende, Daniel Sota, Alfredo Bachev, Rumen Grishina, Tatiana S. Kopatskaya, Evgenia N. Larionova, Elena G. Morozova, Daria A. Savchenko, Sergey S. Shishkina, Ekaterina V. Troitskiy, Ivan S. Troitskaya, Yulia V. Vasilyev, Andrey A. High Energy Astrophysical Phenomena The origin of the high-energy emission in astrophysical jets from black holes is a highly debated issue. This is particularly true for jets from supermassive black holes that are among the most powerful particle accelerators in the Universe. So far, the addition of new observations and new messengers have only managed to create more questions than answers. However, the newly available X-ray polarization observations promise to finally distinguish between emission models. We use extensive multiwavelength and polarization campaigns as well as state-of-the-art polarized spectral energy distribution models to attack this problem by focusing on two X-ray polarization observations of blazar BL Lacertae in flaring and quiescent $γ$-ray states. We find that regardless of the jet composition and underlying emission model, inverse-Compton scattering from relativistic electrons dominates at X-ray energies. |
| title | Determining the origin of the X-ray emission in blazars through multiwavelength polarization |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2505.13603 |