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RC J0311+0507: A Candidate to Superpowerful Radio Galaxies with z = 4.514

Published online by Cambridge University Press:  01 August 2006

A. I. Kopylov ,
Yu. N. Parijskij ,
N. S. Soboleva ,
A. V. Temirova ,
O. V. Verkhodanov ,
W. M. Goss  and
O. P. Zhelenkova
A. I. Kopylov
Affiliation:
Special Astrophysical Observatory, Nizhnii Arkhyz, Russia email: akop@sao.ru
Yu. N. Parijskij
Affiliation:
Special Astrophysical Observatory, Nizhnii Arkhyz, Russia email: akop@sao.ru
N. S. Soboleva
Affiliation:
St.Petersburg branch of Special Astrophysical Observatory, Russia
A. V. Temirova
Affiliation:
St.Petersburg branch of Special Astrophysical Observatory, Russia
O. V. Verkhodanov
Affiliation:
Special Astrophysical Observatory, Nizhnii Arkhyz, Russia email: akop@sao.ru
W. M. Goss
Affiliation:
National Radio Observatory, Soccoro, USA
O. P. Zhelenkova
Affiliation:
Special Astrophysical Observatory, Nizhnii Arkhyz, Russia email: akop@sao.ru
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Abstract

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The investigations of the ultra steep spectrum radio source RC J0311+0507 (4C+04.11) in radio (RATAN-600, VLA) and optics (6-m telescope SAO RAS) are presented. The identification of a strong line at 6703 Å with Lyα gives a redshift z=4.514. The object belongs to the group of extremely distant radio galaxies of ultrahigh radio luminosity (P1400 = 1.3 × 1029WHz−1).

Keywords

high-redshift galaxiescosmological parametersearly universe
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 431
Copyright
Copyright © International Astronomical Union 2007