Are the hosts of VLBI selected radio-AGN different to those of radio-loud AGN?

G. A. Rees, R. P. Norris, L. R. Spitler, N. Herrera-Ruiz, E. Middelberg

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Recent studies have found that radio-AGN selected by radio-loudness show little difference in terms of their host galaxy properties when compared to non-AGN galaxies of similar stellar mass and redshift. Using new 1.4 GHz VLBI observations of the COSMOS field we find that approximately 49±8% of high-mass (M > 10¹⁰˙⁵ M⊙), high luminosity (L1.4 > 1024 W Hz−1) radio-AGN possess a VLBI detected counterpart. These objects show no discernible bias towards specific stellar masses, redshifts or host properties other than what is shown by the radio-AGN population in general. Radio-AGN that are detected in VLBI observations are not special, but form a representative sample of the radio-loud AGN population.
Original languageEnglish
Pages (from-to)L49-L53
Number of pages6
JournalMonthly Notices of the Royal Astronomical Society
Volume458
Issue number1
DOIs
Publication statusPublished - 2016

Keywords

  • evolution
  • formation
  • galaxies
  • radio astronomy
  • red shift
  • stars

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