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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 3.

Wide-field RGB view of the FRB 20240114A field using DESI g- (blue), r- (green), and z- (red) band images. The FRB host galaxy at z = 0.130287, likely a satellite of a nearby central galaxy at the same systemic redshift, is marked with a cyan box along with its companion; their projected separation of 35﹩\mathop{.}\limits^{\unicode{x02033}}﹩5 (85 kpc transverse distance) is marked by the double-headed arrow. Gray dashed boxes indicate the zoom regions shown in the upper (host) and lower (central galaxy) insets. In the host inset, the EVN-derived FRB position is highlighted by a white ellipse whose semiaxes represent the 10σ localization uncertainty (inflated to be visible on this scale).

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