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

*Corresponding author for this work

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 very long baseline interferometry (VLBI) observations of the Cosmological Evolution Survey field, we find that approximately 49 ± 8 per cent 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 pages5
JournalMonthly Notices of the Royal Astronomical Society: Letters
Volume458
Issue number1
DOIs
Publication statusPublished - 1 May 2016

Keywords

  • Galaxies: active
  • Galaxies: high
  • Galaxies: stellar content
  • Galaxies:evolution
  • Infrared: galaxies
  • Radio continuum: galaxies
  • Redshift

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