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Simultaneous JWST, NuSTAR, and VLA Monitoring of Sgr A*: A Unified Picture of the Variable IR, X-Ray, and Radio Emission

  • Authors: F. Yusef-Zadeh, M. Wardle, R. G. Arendt, C. O. Heinke, C. J. Chandler, H. Bushouse, G. A. Moellenbrock, Joseph M. Michail

F. Yusef-Zadeh et al 2026 The Astrophysical Journal Letters 1000 .

  • Provider: AAS Journals

Caption: Figure 4.

(Top left) Light curve of Sgr A* at 2.1 μm taken on 2024 April 5. (Top right) Same as top left, except using the NIR spectral index of Sgr A* as a function of time. (Bottom) Same as top left, except that normalized values of the time derivative of the flux at 2.1 (blue) and 4.8 μm (red) are displayed as a function of time.

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