Séminaire/Seminar Galaxies |
| « Flaring Activity of Sgr A* » |
|
Farhad Zadeh |
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GRMHD simulations of Sgr A* predict variability on hourly timescales, likely driven by particle acceleration from magnetic reconnection. A key question is whether observations can confirm these predictions and clarify the underlying
acceleration processes. We report simultaneous observations with JWST, NuSTAR, and the VLA, detecting a strong X-ray flare coincident with a bright infrared flare, followed by a radio brightening about one hour later. These results support a dynamic scenario in which magnetic reconnection drives the flaring activity of Sgr A*. |
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jeudi 18 juin 2026 - 11:30 Salle du Conseil Institut d'Astrophysique de Paris |
| Page web du séminaire / Seminar's webpage |