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First Mid-infrared Detection and Modeling of a Flare from Sgr A*

Authors: Sebastiano D. von Fellenberg, Tamojeet Roychowdhury, Joseph M. Michail, Zach Sumners, Grace Sanger-Johnson, Giovanni G. Fazio, Daryl Haggard, Joseph L. Hora, Alexander Philippov, Bart Ripperda, Howard A. Smith, S. P. Willner, Gunther Witzel, Shuo Zhang, Eric E. Becklin, Geoffrey C. Bower, Sunil Chandra, Tuan Do, Macarena Garcia Marin, Mark A. Gurwell, Nicole M. Ford, Kazuhiro Hada, Sera Markoff, Mark R. Morris, Joey Neilsen, Nadeen B. Sabha, Braden Seefeldt-Gail

Sebastiano D. von Fellenberg et al 2025 The Astrophysical Journal Letters 979 .

Provider: AAS Journals

Caption: Figure A2.

Comparison of Sgr A* and reference-pixel light curves. Panels show the median-subtracted light curves of the Sgr A* pixel (color) and reference pixels (gray) in Channels 1, 2, 3, and 4 (panels (A), (B), (C), and (D), respectively). The black lines show the best linear fit to each reference-pixel trend. Table A1 gives the line slopes. Times are shown in UTC at the solar system barycenter on the lower abscissa and relative to the adopted t = 0 on the upper abscissa.

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