The evolution of obscured AGN across cosmic time -- A large quasar survey for the 2040s
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arXiv
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912779915493376 |
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| author | Urrutia, Tanya Kakkad, Darshan Sánchez-Sáez, Paula Raouf, Mojtaba Panda, Swayamtrupta Bosman, Sarah E. I. Nunez, Francisco Pozo Puglisi, Annagrazia Flury, Sophia Ilic, Dragana Kovacevic, Andjelka B. Pandey-Pommier, Mamta Vietri, Giustina Satheesh-Sheeba, Sarath Salvestrini, Francesco Bisogni, Susanna Bañados, Eduardo Ibero, Ana Monreal Thater, Sabine Dayal, Pratika D'Ammando, Filippo Afonso, José Barai, Paramita Ivanov, Valentin |
| author_facet | Urrutia, Tanya Kakkad, Darshan Sánchez-Sáez, Paula Raouf, Mojtaba Panda, Swayamtrupta Bosman, Sarah E. I. Nunez, Francisco Pozo Puglisi, Annagrazia Flury, Sophia Ilic, Dragana Kovacevic, Andjelka B. Pandey-Pommier, Mamta Vietri, Giustina Satheesh-Sheeba, Sarath Salvestrini, Francesco Bisogni, Susanna Bañados, Eduardo Ibero, Ana Monreal Thater, Sabine Dayal, Pratika D'Ammando, Filippo Afonso, José Barai, Paramita Ivanov, Valentin |
| contents | We propose a large quasar demographic optical multi-object spectroscopic (MOS) survey targeting over 50 million AGN candidates up to the highest redshifts possible in the optical (z~6.5), with repeat visits, using a variety of selection criteria available by 2040. A large MOS survey combining all AGN selection methods is the only way to unify a diverse range of different obscured AGN populations within a single, variability- and spectroscopy-based framework, rather than as disjoint classes selected by different methods. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_18421 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The evolution of obscured AGN across cosmic time -- A large quasar survey for the 2040s Urrutia, Tanya Kakkad, Darshan Sánchez-Sáez, Paula Raouf, Mojtaba Panda, Swayamtrupta Bosman, Sarah E. I. Nunez, Francisco Pozo Puglisi, Annagrazia Flury, Sophia Ilic, Dragana Kovacevic, Andjelka B. Pandey-Pommier, Mamta Vietri, Giustina Satheesh-Sheeba, Sarath Salvestrini, Francesco Bisogni, Susanna Bañados, Eduardo Ibero, Ana Monreal Thater, Sabine Dayal, Pratika D'Ammando, Filippo Afonso, José Barai, Paramita Ivanov, Valentin Astrophysics of Galaxies We propose a large quasar demographic optical multi-object spectroscopic (MOS) survey targeting over 50 million AGN candidates up to the highest redshifts possible in the optical (z~6.5), with repeat visits, using a variety of selection criteria available by 2040. A large MOS survey combining all AGN selection methods is the only way to unify a diverse range of different obscured AGN populations within a single, variability- and spectroscopy-based framework, rather than as disjoint classes selected by different methods. |
| title | The evolution of obscured AGN across cosmic time -- A large quasar survey for the 2040s |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2512.18421 |