EAS Publications Series
Volume 61, 2013Gamma-ray Bursts: 15 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe
|Page(s)||439 - 442|
|Section||Chapter IX: Host Galaxies|
|Published online||22 July 2013|
A.J. Castro-Tirado, J.Gorosabel and I.H. Park (eds)
EAS Publications Series, 61 (2013) 439-442
The multi-band study of the environment of the RC J0311+0507 radio galaxy: a step forward to understand massive stellar system formation at Z > 4
1 Saint-Petersburg Branch of SAO
RAS, Russia ;
2 Special Astrophysical Observatory of RAS, Russia ;
3 Jodrell Bank Centre for Astrophysics, UK ;
4 Institute for Radio Astronomy and Space Research, New Zealand
5 Institute of Astronomy RAS, Russia ;
6 Saint Petersburg State University, Russia
The radio galaxy RC J0311+0507 was investigated in the “Big Trio” project, which aims to search for distant radio galaxies. Optical spectroscopy performed at the 6-m telescope measured its redshift as 4.514. The source is one of the most luminous objects in the high redshift Universe having L ≈ 3 × 1029W Hz-1 at 500 MHz, that suggests the presence of a super massive black hole with a mass of about 1010 M⊙ inside the parent galaxy. Mechanisms of the formation of galaxies with black holes of such masses in the early stage of the Universe is not yet clear. Based on a collection of deep images taken in 10 optical and infrared bands we started a photometric study of the environment of this radio galaxy to detect possible neighborhood.
© EAS, EDP Sciences 2013
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