Is the M81 Fast Radio Burst Host Globular Cluster Special?
Kristen C. Dage,
Arash Bahramian,
Clancy W. James
et al.
Abstract:We use multiband archival Hubble Space Telescope (HST) observations to measure the photometric and structural parameters of the M81 globular cluster (GC) that hosts the fast radio burst FRB 20200120E. Our best-fitting King model has an effective radius r
h
= 3.06 pc with a moderate King model concentration of c = 53, and an inferred core radius of 0.81 pc. We revisit the exact astrometric location of the FRB within the cluster, and find that FRB 202001… Show more
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