Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995arep...39..383k&link_type=abstract
Astronomy Reports, Volume 39, Issue 4, July 1995, pp.383-392
Astronomy and Astrophysics
Astronomy
3
Scientific paper
Requirements for accuracy of optical and radio coordinate determination for identification of weak FR II radio sources with distant giant elliptical galaxies are discussed, as well as means of estimation of their redshifts using all accumulated data on distant objects of this class. It is shown that for fulfillment of a first-generation galactic search program begun by the Special Astrophysical Observatory using RATAN 600, the VLA, and the BTA, sufficient accuracy is approximately 1" and sufficient depth of optical image is 26^m^. A simple method for realization of these requirements is described. The Hubble diagram for Steep Spectrum FR II Radio Galaxies is refined. VLA radio images of a sub-sample of steep spectrum sources from the RC catalog and positions for the centers of gravity of these images are presented.
Goss V. M.
Kopylov Alexander I.
Naugol'Naya M. N.
Pariiskii Yu. G.
Soboleva Natalia S.
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