A Parkes half-Jansky sample of GHz peaked spectrum galaxies
Corresponding Author
I. A. G. Snellen
Institute for Astronomy, Blackford Hill, Edinburgh EH9 3HJ
★ E-mail: [email protected]Search for more papers by this authorM. D. Lehnert
Max-Planck-Institut für extraterrestrische Physik (MPE), Postfach 1312, 85741 Garching, Germany
Search for more papers by this authorM. N. Bremer
Department of Physics, Bristol University, H H Wills Physics Laboratory, Tyndall Avenue, Bristol BS8 1TL
Search for more papers by this authorR. T. Schilizzi
Joint Institute for VLBI in Europe, Postbus 2, 7990 AA, Dwingeloo, The Netherlands
Leiden Observatory, PO Box 9513, 2300 RA, Leiden, The Netherlands
Search for more papers by this authorCorresponding Author
I. A. G. Snellen
Institute for Astronomy, Blackford Hill, Edinburgh EH9 3HJ
★ E-mail: [email protected]Search for more papers by this authorM. D. Lehnert
Max-Planck-Institut für extraterrestrische Physik (MPE), Postfach 1312, 85741 Garching, Germany
Search for more papers by this authorM. N. Bremer
Department of Physics, Bristol University, H H Wills Physics Laboratory, Tyndall Avenue, Bristol BS8 1TL
Search for more papers by this authorR. T. Schilizzi
Joint Institute for VLBI in Europe, Postbus 2, 7990 AA, Dwingeloo, The Netherlands
Leiden Observatory, PO Box 9513, 2300 RA, Leiden, The Netherlands
Search for more papers by this authorABSTRACT
This paper describes the selection of a new southern/equatorial sample of gigahertz peaked spectrum (GPS) radio galaxies, and subsequent optical charge-coupled device imaging and spectroscopic observations using the ESO 3.6-m telescope. The sample consists of 49 sources with −40° < δ < +15°, |b|>20° and S2.7GHz>0.5 Jy, selected from the Parkes PKSCAT90 survey. Approximately 80 per cent of the sources are optically identified, and approximately half of the identifications have available redshifts. The R-band Hubble diagram and evolution of the host galaxies of GPS sources are reviewed.
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