Disc Winds From Accreting Systems in the 2040s
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arXiv
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2026
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| author | Segura, Noel Castro Cúneo, Virginia Tombesi, Francesco Fijma, Stefanie Corral-Santana, Jesús Veledina, Alexandra Ambrifi, Alessandra Buckley, David Casella, Piergiorgio Coppejans, Deanne L. de Martino, Domitilla Scaringi, Simone |
| author_facet | Segura, Noel Castro Cúneo, Virginia Tombesi, Francesco Fijma, Stefanie Corral-Santana, Jesús Veledina, Alexandra Ambrifi, Alessandra Buckley, David Casella, Piergiorgio Coppejans, Deanne L. de Martino, Domitilla Scaringi, Simone |
| contents | What does the temporal evolution of disc winds tell us about accreting systems and the accretion process? Studies of accretion-disc outflows across all mass scales, including accreting white dwarfs, X-ray binaries, and active galactic nuclei, have shown that winds play a key role in regulating both the accretion flow and the surrounding environment. Disc winds therefore provide a common thread linking a broad range of scientific topics, from the microphysics of accretion to galaxy-scale feedback and evolution, as well as binary evolution and the predicted rates of energetic (multi-messenger) transient phenomena. Yet we still lack a comprehensive picture of the accretion-feedback process. Optical spectroscopy has revealed striking similarities across mass scales, hinting at common production mechanisms, and has shown that winds can evolve on timescales of only minutes. Progress, however, has been limited by their transient nature, sparse time coverage, and the lack of simultaneous, high-resolution spectroscopy. Time-domain facilities with high temporal and spectral resolution will allow us to track these events in high accretion-rate systems, constrain their launching mechanisms, and measure the mass, energy, and angular momentum they carry. This will provide crucial input for binary evolution models, wind feedback, and a unified view of accreting systems across mass scales. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_02028 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Disc Winds From Accreting Systems in the 2040s Segura, Noel Castro Cúneo, Virginia Tombesi, Francesco Fijma, Stefanie Corral-Santana, Jesús Veledina, Alexandra Ambrifi, Alessandra Buckley, David Casella, Piergiorgio Coppejans, Deanne L. de Martino, Domitilla Scaringi, Simone High Energy Astrophysical Phenomena What does the temporal evolution of disc winds tell us about accreting systems and the accretion process? Studies of accretion-disc outflows across all mass scales, including accreting white dwarfs, X-ray binaries, and active galactic nuclei, have shown that winds play a key role in regulating both the accretion flow and the surrounding environment. Disc winds therefore provide a common thread linking a broad range of scientific topics, from the microphysics of accretion to galaxy-scale feedback and evolution, as well as binary evolution and the predicted rates of energetic (multi-messenger) transient phenomena. Yet we still lack a comprehensive picture of the accretion-feedback process. Optical spectroscopy has revealed striking similarities across mass scales, hinting at common production mechanisms, and has shown that winds can evolve on timescales of only minutes. Progress, however, has been limited by their transient nature, sparse time coverage, and the lack of simultaneous, high-resolution spectroscopy. Time-domain facilities with high temporal and spectral resolution will allow us to track these events in high accretion-rate systems, constrain their launching mechanisms, and measure the mass, energy, and angular momentum they carry. This will provide crucial input for binary evolution models, wind feedback, and a unified view of accreting systems across mass scales. |
| title | Disc Winds From Accreting Systems in the 2040s |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2601.02028 |