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Bibliographic Details
Main Authors: Vincentelli, F. M., Casella, P., Veledina, A., Ambrifi, A., Baglio, M. C., Buckley, D., Segura, N. Castro, Cavecchi, Y., de Martino, D., del Santo, M., Gandhi, P., Iliano, G., La Paca, R., Malacaria, C., Marino, A., O'Brien, K., Rea, N., Sanna, A., Scaringi, S., Shahbaz, T., Zampieri, L.
Format: Preprint
Published: 2025
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Online Access:https://arxiv.org/abs/2512.15832
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Table of Contents:
  • Accretion onto compact objects is one of the most fundamental phenomena in the astrophysics, powering some of the most luminous objects in the sky. Along with this, accretion has also a key impact on the evolution of the Universe, through the launch of powerful outflows that affect the surrounding medium. In the last years sub-second optical-infrared observations of accreting X-ray binaries have opened a new window in the study of inflow-outflow connection, discovering a wide range of previously unkown phenomena. Here we review the key open questions in accretion and ejection physics and discuss how a dedicated facility, equipped with photon-counting detectors and high spectral resolution from the UV to the mid-infrared, can enable transformative advances in our understanding of accretion processes.