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The R-Band Hubble Diagram for GPS Galaxies

Published online by Cambridge University Press:  25 May 2016

Ignas Snellen ,
Malcolm Bremer ,
Richard Schilizzi ,
George Miley  and
Rob Van Ojik
Ignas Snellen
Affiliation:
1 Leiden Observatory, The Netherlands
Malcolm Bremer
Affiliation:
1 Leiden Observatory, The Netherlands
Richard Schilizzi
Affiliation:
3 Joint Institute for VLBI in Europe, Dwingeloo, The Netherlands
George Miley
Affiliation:
1 Leiden Observatory, The Netherlands
Rob Van Ojik
Affiliation:
1 Leiden Observatory, The Netherlands

Abstract

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The Hubble diagram of GPS galaxies has a low dispersion and a steep slope compared with that for 3C galaxies. The relative faintness of GPS galaxies at high redshift may be due to the absence of the aligned optical/uv component seen in high redshift 3C galaxies. The GPS Hubble relation is too steep to fit with evolution models for passively evolving ellipticals. This could be caused by the dynamical evolution of the GPS galaxies.

Type
Cosmological Implications
Information
Symposium - International Astronomical Union , Volume 175: Extragalactic Radio Sources , 1996 , pp. 585 - 587
Copyright
Copyright © Kluwer 1996 

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