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Table A.1.

Radio-loud AGNs discovered to date at z ≥ 5.5.

Name z (Ref) S1.4 GHz ανr (Ref) R
(1) (2) (3) (4) (5)
J034141−004812 5.68 (1) 2.09 0.75* (1) 178.0 ± 40.5
J083643+005453 5.77 (2) 1.11 0.89 ± 0.29 (8) 11.9 ± 0.3
J090132+161506 5.63 (1) 3.90 0.75* (1) 91.4 ± 8.8
J142738+331241 6.12 (3) 1.03 0.62 ± 0.17 (8) 53.3 ± 4.1
J142952+544717 6.21 (4) 2.95 0.79 ± 0.04 (8) 109.2 ± 8.9
J160937+304147 6.14 (1) 0.48 0.75* (1) 28.3 ± 8.6
J205321+004706 5.92 (5) 0.43 0.75* (1) 44.1 ± 18.7
J222843+011031 5.95 (6) 1.32 0.8 (1) 61.3 ± 20.9
J232936−152016a 5.84 (7) 14.90 0.97 ± 0.12 (7) 1169.5 ± 300.5

Notes. Column (1): object name; for the object denoted with a the reported values of ανr and R are the median of the results of Bañados et al. (2018); Col. (2): redshift from the literature and reference; Col. (3): observed radio flux density at 1.4 GHz in mJy; Col. (4): radio spectral index and reference. For objects denoted with an *, ανr have been assumed by Bañados et al. (2015); Col. (5): radio loudness as defined in Kellermann et al. (1989).

References. 1 = Bañados et al. (2015), 2 = Fan et al. (2001), 3 = McGreer et al. (2006), 4 = Willott et al. (2010), 5 = Jiang et al. (2009), 6 = Zeimann et al. (2011), 7 = Bañados et al. (2018), 8 = Coppejans et al. (2017).

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