RC J0311+0507: A candidate for superpowerful radio galaxies in the early universe at redshift z = 4.514 View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2006-07

AUTHORS

A. I. Kopylov, W. M. Goss, Yu. N. Pariĭskiĭ, N. S. Soboleva, O. V. Verkhodanov, A. V. Temirova, O. P. Zhelenkova

ABSTRACT

A strong emission line at 6703 Å 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 (P1400 = 1.3 × 1029 W Hz−1). Such power can be provided only by a fairly massive black hole (∼109M⊙) that formed in a time less than the age of the Universe at the observed z (1.3 Gyr) or had a primordial origin. More... »

PAGES

433-438

References to SciGraph publications

  • 1996-10. A radio galaxy at redshift 4.41 in NATURE
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1134/s1063773706070012

    DOI

    http://dx.doi.org/10.1134/s1063773706070012

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1021276828


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