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A Bright Fast Radio Burst from FRB 20200120E with Sub-100 Nanosecond Structure

  • Authors: Walid A. Majid, Aaron B. Pearlman, Thomas A. Prince, Robert S. Wharton, Charles J. Naudet, Karishma Bansal, Liam Connor, Mohit Bhardwaj, and Shriharsh P. Tendulkar

2021 The Astrophysical Journal Letters 919 L6.

  • Provider: AAS Journals

Caption: Figure 2.

Coherently dedispersed S-band burst profiles shown at 62.5 ns time resolution, derived from baseband data with sub-bands of 16 MHz. In panel (a), we show the Stokes I burst profile, derived from combining the LCP and RCP baseband data. The LCP and RCP burst profiles are shown in panels (b) and (c), respectively. The data have been dedispersed using the S/N maximizing DM of 87.77 pc cm−3. This plot shows that the burst is comprised of multiple bright, narrow peaks, with widths of ≲100 ns. The labels (C1–C7) displayed in panel (a) correspond to seven distinct pulse components comprising the burst.

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