XRISM reveals a variable, multi-phase outflow-inflow structure during the 2024 X-ray obscured outburst of black hole transient V4641 Sgr

We report the results of a simultaneous X-ray and optical spectroscopy campaign on the Galactic black hole X-ray binary (BH XRB) V4641 Sgr, carried out with XRISM and the Seimei telescope during a low-luminosity phase toward the end of its 2024 outburst. Despite a very low X-ray luminosity of 1034 e...

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Auteurs principaux:	Parra M., Shidatsu M., Tomaru R., Done C., Muñoz-Darias T., Armas Padilla M., Ogawa S., Marino A., Grollimund N., Corbel S., De la Fuente E., Cheng H., Díaz Trigo M., Fender R., Isogai K., Kobayashi S. B., Motta S. E., Murata K., Negoro H., Safi-Harb S., Suzuki H., Tsuji N., Ueda Y., Wang X., Zhang C., Zhang Y., Zhang Z.
Format:	Artigo
Langue:	Inglês
Publié:	EDP Sciences 2026-06-01
Collection:	Astronomy & Astrophysics
Sujets:	accretion, accretion disks atomic processes stars: black holes stars: winds outflows x-rays: binaries
Accès en ligne:	https://www.aanda.org/articles/aa/full_html/2026/06/aa56995-25/aa56995-25.html
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