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Mapping Obscured Star Formation in the Host Galaxy of FRB 20201124A

  • Authors: Yuxin Dong, 雨欣 董, Tarraneh Eftekhari, Wen-fai Fong, Adam T. Deller, Alexandra G. Mannings, Sunil Simha, Navin Sridhar, Marc Rafelski, Alexa C. Gordon, Shivani Bhandari, Cherie K. Day, Kasper E. Heintz, Jason W. T. Hessels, Joel Leja, Clancy W. James, Charles D. Kilpatrick, Elizabeth K. Mahony, Benito Marcote, Ben Margalit, Kenzie Nimmo, J. Xavier Prochaska, Alicia Rouco Escorial, Stuart D. Ryder, Genevieve Schroeder, Ryan M. Shannon, Nicolas Tejos

Yuxin Dong et al 2024 The Astrophysical Journal 961 .

  • Provider: AAS Journals

Caption: Figure 4.

Residual images of the host galaxy from GALFIT in the F160W (14″ × 14″) and F475X (10″ × 10″) HST filters. The insets are the model images from GALFIT with the same sizes, which demonstrate that the smooth galaxy light component has been subtracted. The FRB localization and host center are marked as a red star and a yellow cross, respectively. The F160W residual image highlights the faintness of the spiral arms compared to the bar while the F475X residual image shows apparent star formation along the bar. The FRB appears to be offset to the east of the bar and not coincident with either spiral arm.

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