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  • Ryder, Stuart D; Bannister, Keith W; Bhandari, S; Deller, A T; Ekers, R D; Glowacki, Marcin; Gordon, Alexa C; Gourdji, Kelly; James, C W; Kilpatrick, Charles D; Lu, Wenbin; Marnoch, Lachlan; Moss, V A; Prochaska, J Xavier; Qiu, Hao; Sadler, Elaine M; Simha, Sunil; Sammons, Mawson W; Scott, Danica R; Tejos, Nicolas; Shannon, R M

    arXiv (Cornell University), 10/2023
    Paper, Journal Article

    Fast radio bursts (FRBs) are millisecond-duration pulses of radio emission originating from extragalactic distances. Radio dispersion on each burst is imparted by intervening plasma mostly located in the intergalactic medium. We observe a burst, FRB 20220610A, in a morphologically complex host galaxy system at redshift \(z=1.016 \pm 0.002\). The burst redshift and dispersion are consistent with passage through a substantial column of material from the intergalactic medium. The burst shows evidence for passage through additional turbulent magnetized plasma, potentially associated with the host galaxy. We use the burst energy of \(2 \times 10^{42}\) erg, to revise the maximum energy of an FRB.