Unveiling supermassive black hole binaries with FUV-to-NIR spectropolarimetry
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866911029764554752 |
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| author | Marin, Frédéric Biedermann, Julie Barnouin, Thibault |
| author_facet | Marin, Frédéric Biedermann, Julie Barnouin, Thibault |
| contents | In this proceedings, we review the importance and complexity of detecting and characterizing supermassive binary black holes using conventional techniques (spectroscopy, timing, imaging). We show how spectropolarimetric data can strengthen or discard binary black hole candidates on solid grounds, and present what kind of instrument could perform this task. Namely, a high spectral resolution polarimeter operating from the far-ultraviolet (FUV) to the near-infrared (NIR), such as the POLLUX prototype, would perfectly fit within the payload of the Habitable Worlds Observatory and help revolutionize the study of extragalactic objects. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_23602 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Unveiling supermassive black hole binaries with FUV-to-NIR spectropolarimetry Marin, Frédéric Biedermann, Julie Barnouin, Thibault Astrophysics of Galaxies In this proceedings, we review the importance and complexity of detecting and characterizing supermassive binary black holes using conventional techniques (spectroscopy, timing, imaging). We show how spectropolarimetric data can strengthen or discard binary black hole candidates on solid grounds, and present what kind of instrument could perform this task. Namely, a high spectral resolution polarimeter operating from the far-ultraviolet (FUV) to the near-infrared (NIR), such as the POLLUX prototype, would perfectly fit within the payload of the Habitable Worlds Observatory and help revolutionize the study of extragalactic objects. |
| title | Unveiling supermassive black hole binaries with FUV-to-NIR spectropolarimetry |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2506.23602 |