2017ApJ...847...72B

Query : 2017ApJ...847...72B

2017ApJ...847...72B - Astrophys. J., 847, 72-72 (2017/September-3)

Stellar dynamics and star formation histories of z ∼ 1 radio-loud galaxies.

BARISIC I., VAN DER WEL A., BEZANSON R., PACIFICI C., NOESKE K., MUNOZ-MATEOS J.C., FRANX M., SMOLCIC V., BELL E.F., BRAMMER G., CALHAU J., CHAUKE P., VAN DOKKUM P.G., VAN HOUDT J., GALLAZZI A., LABBE I., MASEDA M.V., MUZZIN A., SOBRAL D., STRAATMAN C. and WU P.-F.

Abstract (from CDS):

We investigate the stellar kinematics and stellar populations of 58 radio-loud galaxies of intermediate luminosities (L_3 GHz_ > 1023 W Hz–1) at 0.6 < z < 1. This sample is constructed by cross-matching galaxies from the deep VLT/VIMOS LEGA-C spectroscopic survey with the VLA 3 GHz data set. The LEGA-C continuum spectra reveal for the first time stellar velocity dispersions and age indicators of z ∼ 1 radio galaxies. We find that z ∼ 1 radio-loud active galactic nucleus (AGN) occur exclusively in predominantly old galaxies with high velocity dispersions: σ* > 175 km s–1, corresponding to black hole masses in excess of 108 M☉. Furthermore, we confirm that at a fixed stellar mass the fraction of radio-loud AGN at z ∼ 1 is five to 10 times higher than in the local universe, suggesting that quiescent, massive galaxies at z ∼ 1 switch on as radio AGN on average once every Gyr. Our results strengthen the existing evidence for a link between high black hole masses, radio loudness, and quiescence at z ∼ 1.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): galaxies: evolution - galaxies: fundamental parameters - galaxies: high-redshift - galaxies: jets - galaxies: star formation - galaxies: star formation

Simbad objects: 56

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Number of rows : 56
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SDSS J095858.28+021046.5 rG 09 58 58.286 +02 10 46.45 24.26 23.38 21.94 21.104 20.022 ~ 16 0
2 COSMOS2015 767295 rG 09 59 02.662 +02 27 38.60   23.072     19.844 ~ 21 0
3 ACS-GC 20184226 rG 09 59 06.65 +02 38 45.3 25.20 24.65 23.43 22.67 21.565 ~ 13 0
4 COSMOS2015 674209 rG 09 59 07.29 +02 19 05.7 24.77 24.09 22.45 21.634 20.450 ~ 18 0
5 COSMOS2015 771810 BiC 09 59 09.31 +02 27 59.4 26.22 25.28 23.53 22.69 21.417 ~ 10 0
6 COSMOS2015 784577 G 09 59 10.13 +02 29 20.8 24.66 24.43 23.17 22.46 21.189 ~ 11 0
7 ACS-GC 20128265 rG 09 59 10.50 +02 19 38.0 24.20 24.15 23.44 23.00 21.971 ~ 25 0
8 COSMOS2015 611431 rG 09 59 21.401 +02 13 34.28 26.16 25.78 24.42 23.42 22.231 ~ 16 0
9 ACS-GC 20125661 rG 09 59 24.0310 +02 27 08.100 24.63 24.12 23.02 22.40 21.415 ~ 34 0
10 COSMOS2015 782418 rG 09 59 26.76 +02 29 03.8 25.01 24.55 23.03 22.29 21.055 ~ 14 0
11 NMBS C18237 rG 09 59 29.227 +02 28 44.75 25.97 24.89 23.08 22.30 20.996 ~ 22 0
12 ACS-GC 20070355 rG 09 59 30.00 +02 03 45.5 25.99 25.37 23.61 22.73 21.471 ~ 16 0
13 COSMOS2015 847224 rG 09 59 32.44 +02 34 52.1 25.40 24.70 23.18 22.46 21.256 ~ 20 0
14 COSMOS2015 533731 rG 09 59 34.746 +02 06 33.82 25.49 24.38 22.64 21.818 20.671 ~ 18 0
15 COSMOS2015 471634 G 09 59 38.214 +02 00 47.01         20.999 ~ 12 0
16 COSMOS2015 523789 G 09 59 39.57 +02 05 39.7 25.23 24.91 23.94 23.32 22.212 ~ 10 0
17 SDSS J095939.76+023117.1 rG 09 59 39.769 +02 31 16.84 25.60 24.75 22.85 22.060 20.742 ~ 35 0
18 ACS-GC 20181007 rG 09 59 40.30 +02 42 06.1 26.31 26.04 24.34 23.51 22.27 ~ 15 0
19 COSMOS2015 576527 rG 09 59 46.069 +02 10 23.47 25.55 24.81 23.04 22.22 20.980 ~ 17 0
20 COSMOS2015 987852 G 09 59 47.07 +02 48 06.6 26.15 24.75 23.15 22.34 21.265 ~ 10 0
21 COSMOS2015 689999 rG 09 59 48.65 +02 20 30.8   26.765 25.533   21.885 ~ 13 0
22 NMBS C32038 rG 09 59 55.990 +02 19 01.68 25.28 25.00 23.83 23.04 21.766 ~ 25 0
23 COSMOS2015 978362 rG 09 59 56.213 +02 47 16.14 26.60 25.65 23.81 22.91 21.598 ~ 11 0
24 NMBS C2315 rG 09 59 58.23 +02 12 08.1 25.66 24.44 22.81 21.982 20.842 ~ 18 0
25 NMBS C16854 rG 10 00 01.707 +02 27 12.38 25.50 24.94 23.51 22.74 21.495 ~ 24 0
26 COSMOS2015 810487 rG 10 00 02.256 +02 31 36.07 25.79 25.54 24.03 23.34 22.09 ~ 18 0
27 SDSS J100003.42+020723.3 rG 10 00 03.41 +02 07 23.4   23.945 22.636   20.313 ~ 20 0
28 SDSS J100005.35+023059.6 rG 10 00 05.372 +02 30 59.57 25.15 24.54 23.08 22.31 21.133 ~ 42 0
29 ACS-GC 20152745 rG 10 00 05.43 +02 30 28.9 23.351 23.09 21.88 21.231 20.172 ~ 24 0
30 COSMOS2015 871562 rG 10 00 11.23 +02 37 13.5 25.27 24.80 23.29 22.49 21.296 ~ 15 0
31 COSMOS2015 661723 rG 10 00 13.605 +02 18 05.04 25.76 24.90 23.02 22.20 20.892 ~ 25 0
32 CANDELS COSMOS F160W J100016.43+021555.7 G 10 00 16.435 +02 15 55.71 24.99 24.57 23.64 22.95 21.830 ~ 25 0
33 NMBS C35245 rG 10 00 18.505 +02 32 56.14 25.89 25.47 23.88 23.01 21.782 ~ 23 0
34 SDSS J100023.53+021652.8 rG 10 00 23.522 +02 16 53.01 25.70 25.11 23.44 22.73 21.431 ~ 22 0
35 COSMOS2015 503252 rG 10 00 26.144 +02 03 50.29 25.33 24.81 23.25 22.52 21.286 ~ 14 0
36 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
37 SDSS J100033.99+022645.5 rG 10 00 33.999 +02 26 45.71 25.61 25.29 23.73 22.94 21.714 ~ 29 0
38 COSMOS2015 323222 rG 10 00 34.739 +01 46 35.69 25.11 24.70 23.47 22.83 21.622 ~ 14 0
39 COSMOS 2342429 G 10 00 37.19 +02 30 52.2 24.55 24.50 23.92 23.59 23.11 ~ 6 0
40 COSMOS2015 859951 G 10 00 38.85 +02 36 04.6 27.63 26.10 24.25 23.36 22.049 ~ 11 0
41 COSMOS2015 516762 rG 10 00 41.158 +02 05 02.74 25.38 24.72 23.35 22.55 21.428 ~ 20 0
42 ACS-GC 20148765 rG 10 00 41.41 +02 31 24.0 25.46 24.75 23.00 22.24 21.004 ~ 21 0
43 COSMOS2015 841042 rG 10 00 59.063 +02 35 08.96         20.832 ~ 17 0
44 ACS-GC 20060892 rG 10 01 03.942 +02 02 59.48 25.67 25.35 24.13 23.17 21.943 ~ 27 0
45 SDSS J100104.42+020437.1 rG 10 01 04.435 +02 04 37.25 24.55 23.83 22.37 21.518 20.474 ~ 25 0
46 [ICS2009] 754881 QSO 10 01 10.7590 +02 02 04.270   24.495 24.010   21.372 ~ 29 0
47 ACS-GC 20115625 rG 10 01 24.031 +02 20 04.61 25.07 24.54 23.40 22.70 21.706 ~ 18 0
48 COSMOS2015 538015 G 10 01 25.57 +02 07 03.1 26.73 25.96 24.18 23.29 22.020 ~ 10 0
49 COSMOS2015 981123 rG 10 01 35.84 +02 47 39.1 26.49 25.44 24.08 23.33 21.991 ~ 18 0
50 COSMOS2015 809412 G 10 01 42.01 +02 31 28.4 26.23 25.46 24.47 23.76 22.67 ~ 7 0
51 UVISTADR1 J100142.21+023049.9 G 10 01 42.20 +02 30 50.0 25.51 24.80 23.21 22.28 21.032 ~ 9 0
52 COSMOS2015 783416 G 10 02 27.31 +02 29 05.5 26.56 25.59 23.69 22.85 21.468 ~ 8 0
53 COSMOS2015 792354 G 10 02 27.61 +02 30 01.3 25.58 25.20 23.73 22.96 21.746 ~ 9 0
54 COSMOS2015 682683 rG 10 02 32.699 +02 20 00.04 25.45 24.20 22.60 21.768 20.668 ~ 15 0
55 ACS-GC 20108453 rG 10 02 38.67 +02 21 52.5 25.40 24.93 23.51 22.76 21.558 ~ 16 0
56 COSMOS2015 676787 G 10 02 43.56 +02 19 29.5 24.80 24.83 24.33 23.98 23.02 ~ 6 0

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