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- W2030356435 abstract "A strong emission line at 6703 A has been detected in the optical spectrum for the host galaxy (R = 23.1) of the radio source RC J0311+0507 (4C+04.11). This radio galaxy, with a spectral index of 1.31 in the frequency range 365–4850 MHz, is one of the ultrasteep-spectrum objects from the deep survey of a sky strip conducted with RATAN-600 in 1980–1981. We present arguments in favor of the identification of this line with Lyα at redshift z = 4.514. In this case, the object belongs to the group of extremely distant radio galaxies of ultrahigh radio luminosity (P 1400 = 1.3 × 1029 W Hz−1). Such power can be provided only by a fairly massive black hole (∼109 M⊙) that formed in a time less than the age of the Universe at the observed z (1.3 Gyr) or had a primordial origin." @default.
- W2030356435 created "2016-06-24" @default.
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- W2030356435 date "2006-07-01" @default.
- W2030356435 modified "2023-10-16" @default.
- W2030356435 title "RC J0311+0507: A candidate for superpowerful radio galaxies in the early universe at redshift z = 4.514" @default.
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- W2030356435 doi "https://doi.org/10.1134/s1063773706070012" @default.
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