A fast radio burst with frequency-dependent polarization detected during Breakthrough Listen observations

ABSTRACT Here, we report on the detection and verification of fast radio burst FRB 180301, which occurred on utc 2018 March 1 during the Breakthrough Listen observations with the Parkes telescope. Full-polarization voltage data of the detection were captured – a first for non-repeating FRBs – allowi...

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Veröffentlicht in:Monthly notices of the Royal Astronomical Society 2019-07, Vol.486 (3), p.3636-3646
Hauptverfasser: Price, D C, Foster, G, Geyer, M, van Straten, W, Gajjar, V, Hellbourg, G, Karastergiou, A, Keane, E F, Siemion, A P V, Arcavi, I, Bhat, R, Caleb, M, Chang, S-W, Croft, S, DeBoer, D, de Pater, I, Drew, J, Enriquez, J E, Farah, W, Gizani, N, Green, J A, Isaacson, H, Hickish, J, Jameson, A, Lebofsky, M, MacMahon, D H E, Möller, A, Onken, C A, Petroff, E, Werthimer, D, Wolf, C, Worden, S P, Zhang, Y G
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Sprache:eng
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Zusammenfassung:ABSTRACT Here, we report on the detection and verification of fast radio burst FRB 180301, which occurred on utc 2018 March 1 during the Breakthrough Listen observations with the Parkes telescope. Full-polarization voltage data of the detection were captured – a first for non-repeating FRBs – allowing for coherent de-dispersion and additional verification tests. The coherently de-dispersed dynamic spectrum of FRB 180301 shows complex, polarized frequency structure over a small fractional bandwidth. As FRB 180301 was detected close to the geosynchronous satellite band during a time of known 1–2 GHz satellite transmissions, we consider whether the burst was due to radio interference emitted or reflected from an orbiting object. Based on the pre-ponderance of our verification tests, we cannot conclusively determine FRB 180301 to be either astrophysical or anthropogenic in origin.
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stz958