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A Hyperactive Fast Radio Burst Pinpointed in an SMC-like Satellite Host Galaxy

  • Authors: M. Bhardwaj, M. P. Snelders, J. W. T. Hessels, A. Gil de Paz, S. Bhandari, B. Marcote, A. Kirichenko, O. S. Ould-Boukattine, F. Kirsten, E. K. Bempong-Manful, V. Bezrukovs, J. D. Bray, S. Buttaccio, A. Corongiu, R. Feiler, M. P. Gawroński, M. Giroletti, D. M. Hewitt, M. Lindqvist, G. Maccaferri, A. Moroianu, K. Nimmo, Z. Paragi, W. Puchalska, N. Wang, D. Williams-Baldwin, J.P. Yuan

M. Bhardwaj et al 2025 The Astrophysical Journal Letters 992 .

  • Provider: AAS Journals

Caption: Figure 1.

Each panel shows the absolute value of the dirty maps (i.e., the absolute value of the Fourier transform of the visibilities) for individual bursts. Bursts from epoch 1 (EK056A/PR318A) are labeled An, and bursts from epoch 2 (EK056B/PR319A) are labeled Bn. The bursts are sorted by their arrival times. Bursts that pass the visual inspection (as indicated by gold stars) are fitted with a rotated 2D Gaussian function, for which the 2σ contours are shown as gold ellipses. The 2σ region of the best combined position is shown as a white ellipse in all panels. Burst A02 was not found to be robustly astrophysical in origin (Section 3.1.1), and no calibration solution was found for B08 (Section 3.1.2). Consequently, these panels are left blank.

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