Multi-wavelength detectability of isolated black holes in the Milky Way
| Autor: | Francesca Scarcella, Massimo Ricotti, Daniele Gaggero, Gianfranco Bertone, Julien Manshanden, R. M. T. Connors |
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| Přispěvatelé: | GRAPPA (ITFA, IoP, FNWI), ITFA (IoP, FNWI) |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
High Energy Astrophysical Phenomena (astro-ph.HE)
Physics education.field_of_study Molecular cloud Milky Way Astrophysics::High Energy Astrophysical Phenomena Population FOS: Physical sciences Astronomy and Astrophysics Observable Astrophysics Astrophysics::Cosmology and Extragalactic Astrophysics Central region Accretion (astrophysics) Galaxy Space and Planetary Science Central Molecular Zone education Astrophysics - High Energy Astrophysical Phenomena Astrophysics::Galaxy Astrophysics |
| Zdroj: | Monthly Notices of the Royal Astronomical Society, 505(3), 4036-4047. Oxford University Press |
| ISSN: | 0035-8711 |
| Popis: | Isolated black holes in our Galaxy have eluded detection so far. We present here a comprehensive study on the detectability of isolated stellar-mass astrophysical black holes that accrete interstellar gas from molecular clouds in both the local region and the Central Molecular Zone. We adopt a state-of-the-art model for the accretion physics backed up by numerical simulations, and study the number of observable sources in both the radio and X-ray band, as a function of a variety of parameters. We discuss in particular the impact of the astrophysical uncertainties on our prediction for the number of bright X-ray sources in the central region of the Galaxy. We finally consider future developments in the radio domain and assess the potential of SKA to detect a population of astrophysical black holes accreting gas in our Galaxy. |
| Databáze: | OpenAIRE |
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