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

被引：3
|
作者：
Rees, G. A. [1 ,2 ]
Norris, R. P. [2 ]
Spitler, L. R. [1 ,3 ]
Herrera-Ruiz, N. [4 ]
Middelberg, E. [4 ]
机构：
[1] Macquarie Univ, Balaclava Rd, Epping, NSW 2109, Australia
[2] CSIRO Australia Telescope Natl Facil, POB 76, Epping, NSW 1710, Australia
[3] Australian Astron Observ, POB 915, N Ryde, NSW 1670, Australia
[4] Ruhr Univ Bochum, Astron Inst, Univ Str 150, D-44801 Bochum, Germany
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2016年 / 458卷 / 01期
关键词：
galaxies: active; galaxies: evolution; galaxies: high-redshift; galaxies: stellar content; infrared: galaxies; radio continuum: galaxies; ACTIVE GALACTIC NUCLEI; STAR-FORMING GALAXIES; MEDIUM-BAND SURVEY; DEEP FIELD-SOUTH; SIMILAR-TO; INFRARED GALAXIES; MASSIVE GALAXIES; FORMATION RATES; WIDE-FIELD; POPULATION;
D O I：
10.1093/mnrasl/slw016
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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 > 10(10.5) M-circle dot), high-luminosity (L-1.4 > 10(24) 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.
引用
收藏
页码：L49 / L53
页数：5
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