2015MNRAS.448.2665W

Query : 2015MNRAS.448.2665W

2015MNRAS.448.2665W - Mon. Not. R. Astron. Soc., 448, 2665-2686 (2015/April-2)

Radio-quiet quasars in the VIDEO survey: evidence for AGN-powered radio emission at S1.4GHz<1mJy.

WHITE S.V., JARVIS M.J., HAUSSLER B. and MADDOX N.

Abstract (from CDS):

Understanding the interplay between black-hole accretion and star formation, and how to disentangle the two, is crucial to our understanding of galaxy formation and evolution. To investigate, we use a combination of optical and near-infrared photometry to select a sample of 74 quasars from the VISTA Deep Extragalactic Observations (VIDEO) survey, over 1 deg2. The depth of VIDEO allows us to study very low accretion rates and/or lower-mass black holes, and 26 per cent of the candidate quasar sample has been spectroscopically confirmed. We use a radio-stacking technique to sample below the nominal flux-density threshold using data from the Very Large Array at 1.4 GHz and find, in agreement with other work, that a power-law fit to the quasar-related radio source counts is inadequate at low flux density. By comparing with a control sample of galaxies (where we match in terms of stellar mass), and by estimating the star formation rate, we suggest that this radio emission is predominantly caused by accretion activity rather than star-formation activity.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): galaxies: active - galaxies: evolution - galaxies: high-redshift - quasars: general - galaxies: star formation - radio continuum: galaxies

Simbad objects: 79

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Number of rows : 79
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 CD-28 595 PM* 01 54 50.2703221766 -27 28 35.739139915   12.06 11.51     ~ 138 0
2 VIPERS 116173213 QSO 02 24 07.442 -04 45 55.42           ~ 5 0
3 XMDS 556 QSO 02 24 09.795 -04 34 04.96           ~ 6 0
4 SDSS J022409.81-042948.7 QSO 02 24 09.8252587056 -04 29 48.777027144           ~ 8 0
5 SDSS J022409.88-044718.1 QSO 02 24 09.8955242064 -04 47 18.140117640   20.32   19.56   ~ 17 0
6 SDSS J022413.47-045210.4 QSO 02 24 13.4785216872 -04 52 10.379617176   21.10   20.646   ~ 15 0
7 SDSS J022414.93-044353.9 QSO 02 24 14.931 -04 43 53.97           ~ 11 0
8 DES J022415.30-042955.8 QSO 02 24 15.30 -04 29 55.9           ~ 2 0
9 SDSS J022419.74-040315.8 QSO 02 24 19.746 -04 03 15.88           ~ 9 0
10 SDSS J022424.16-043229.9 QSO 02 24 24.1769338176 -04 32 29.983151184   18.97   18.914 18.65 ~ 21 0
11 SDSS J022430.89-042957.4 QSO 02 24 30.899 -04 29 57.49           ~ 12 0
12 SDSS J022432.47-043037.3 QSO 02 24 32.4722401224 -04 30 37.268666460   20.80     19.91 ~ 14 0
13 SDSS J022432.93-044742.3 QSO 02 24 32.9413959408 -04 47 42.359141688           ~ 15 0
14 SDSS J022434.33-043200.5 QSO 02 24 34.3437979560 -04 32 00.417609672           ~ 14 0
15 VIPERS 125021476 QSO 02 24 34.902 -04 35 49.82           ~ 3 0
16 [LLL2014] 634 QSO 02 24 36.913 -04 47 09.36           ~ 4 0
17 VIDEO J022455.05-045043.96 QSO 02 24 55.064 -04 50 43.84           ~ 3 0
18 SDSS J022459.17-044152.3 QSO 02 24 59.180 -04 41 52.36           ~ 14 0
19 SDSS J022501.70-040754.4 QSO 02 25 01.7013387528 -04 07 54.334015464   19.88     19.49 ~ 18 0
20 VIDEO J022502.48-040558.15 QSO 02 25 02.48 -04 05 58.1           ~ 2 0
21 VIPERS 116129590 QSO 02 25 03.601 -04 58 28.14           ~ 5 0
22 VIDEO J022508.56-042512.82 QSO 02 25 08.57 -04 25 12.8           ~ 3 0
23 SDSS J022509.55-040838.4 QSO 02 25 09.5630342904 -04 08 38.348077236   20.38     19.87 ~ 14 0
24 SDSS J022512.10-041906.8 QSO 02 25 12.102 -04 19 06.89           ~ 7 0
25 SDSS J022514.39-044700.2 QSO 02 25 14.3937779352 -04 47 00.304370880   18.63   19.225 18.17 ~ 15 0
26 SDSS J022515.34-044009.0 QSO 02 25 15.3537283824 -04 40 09.063906960       19.839   ~ 17 0
27 SDSS J022516.60-040512.1 QSO 02 25 16.6113871824 -04 05 12.050745720           ~ 13 0
28 SDSS J022523.27-040038.3 QSO 02 25 23.28 -04 00 38.3           ~ 6 0
29 SDSS J022525.68-043509.8 QSO 02 25 25.6923247704 -04 35 09.801425364   21.120 20.945 20.948 20.655 ~ 19 0
30 SDSS J022527.52-035954.6 QSO 02 25 27.523 -03 59 54.68       20.6   ~ 12 0
31 SDSS J022531.93-040659.8 QSO 02 25 31.94 -04 06 59.8           ~ 7 0
32 SDSS J022537.16-042132.9 QSO 02 25 37.1666367696 -04 21 32.949760860   19.39   19.196 19.11 ~ 21 0
33 2XLSSd J022538.1-042813 QSO 02 25 38.11 -04 28 11.0           ~ 2 0
34 SDSS J022540.57-043825.2 QSO 02 25 40.5845925984 -04 38 25.291694976   20.58   19.860   ~ 23 0
35 SDSS J022545.53-043445.6 Sy1 02 25 45.539 -04 34 45.64   21.986 21.551 21.643 21.330 ~ 15 0
36 SDSS J022550.38-043324.5 QSO 02 25 50.38 -04 33 24.6   21.949 22.097 21.727 21.914 ~ 12 0
37 SDSS J022550.97-040247.4 QSO 02 25 50.974 -04 02 47.49           ~ 9 0
38 SDSS J022552.15-040516.5 QSO 02 25 52.159 -04 05 16.55           ~ 12 0
39 2XLSSd J022555.3-043918 QSO 02 25 55.4442593208 -04 39 18.328069620   21.02   20.660   ~ 11 0
40 SDSS J022557.62-045005.4 QSO 02 25 57.6250145664 -04 50 05.447540760   20.30   19.454   ~ 21 0
41 SDSS J022558.88-041801.1 QSO 02 25 58.886 -04 18 01.19           ~ 5 0
42 SDSS J022609.63-042437.9 QSO 02 26 09.6362656344 -04 24 37.994067756   20.562 20.598 20.754 20.588 ~ 16 0
43 SDSS J022612.64-043401.4 QSO 02 26 12.6487934496 -04 34 01.466161284   20.26   20.70   ~ 14 0
44 SDSS J022615.89-041011.4 QSO 02 26 15.90 -04 10 11.3           ~ 7 0
45 3XMM J022617.8-043108 Sy1 02 26 17.8645079736 -04 31 09.135401016   19.08   18.7   ~ 25 0
46 SDSS J022618.59-041101.3 QSO 02 26 18.596 -04 11 01.34           ~ 9 0
47 SDSS J022619.64-044609.2 QSO 02 26 19.641 -04 46 09.21   22.34       ~ 10 0
48 SDSS J022622.16-042221.8 QSO 02 26 22.1708989728 -04 22 21.866787660   19.285 19.114 19.053 18.507 ~ 26 0
49 SDSS J022624.65-042002.3 QSO 02 26 24.654 -04 20 02.35   21.417 21.262 21.341 21.008 ~ 13 0
50 SDSS J022629.26-043057.1 QSO 02 26 29.2697717232 -04 30 57.240150264   20.10   19.8 19.75 ~ 20 0
51 SDSS J022632.38-043808.9 QSO 02 26 32.380 -04 38 08.91           ~ 12 0
52 SDSS J022633.31-042947.8 QSO 02 26 33.31 -04 29 47.7           ~ 3 0
53 DES J022635.48-045104.8 QSO 02 26 35.4863257152 -04 51 04.853086740           ~ 5 0
54 SDSS J022636.07-043429.0 QSO 02 26 36.0787642752 -04 34 29.074168236   21.18   19.07   ~ 11 0
55 SDSS J022639.83-042004.3 QSO 02 26 39.834 -04 20 04.35   21.30       ~ 15 0
56 SDSS J022641.45-035949.8 QSO 02 26 41.460 -03 59 49.83           ~ 10 0
57 [LLL2014] 7599 QSO 02 26 48.180 -04 03 14.42           ~ 4 0
58 SDSS J022652.12-040557.2 QSO 02 26 52.1393839032 -04 05 57.158786940   20.62     20.61 ~ 17 0
59 2XLSSd J022655.4-044217 QSO 02 26 55.574 -04 42 17.91           ~ 5 0
60 SDSS J022657.23-035944.5 QSO 02 26 57.2525858856 -03 59 44.542152960           ~ 14 0
61 SDSS J022707.54-043203.2 QSO 02 27 07.542 -04 32 03.25   21.031 20.899 20.637 20.413 ~ 14 0
62 SDSS J022709.03-045510.2 QSO 02 27 09.0367941000 -04 55 10.220003724           ~ 11 0
63 DES J022711.37-045815.2 QSO 02 27 11.36 -04 58 15.1           ~ 4 0
64 SDSS J022722.21-045221.8 QSO 02 27 22.211 -04 52 21.87           ~ 9 0
65 SDSS J022723.73-045808.4 QSO 02 27 23.732 -04 58 08.40           ~ 10 0
66 SDSS J022723.79-040215.0 QSO 02 27 23.8077773424 -04 02 14.941970952           ~ 17 0
67 VIDEO J022725.72-041837.47 QSO 02 27 25.72 -04 18 37.5           ~ 2 0
68 SDSS J022733.99-042523.5 QSO 02 27 33.9943802256 -04 25 23.493310716           ~ 14 0
69 SDSS J022736.94-042631.5 QSO 02 27 36.941 -04 26 31.60   20.760 20.840 20.849 20.661 ~ 14 0
70 SDSS J022738.98-040940.9 QSO 02 27 38.986 -04 09 40.91           ~ 9 0
71 2MASS J02274057-0402513 QSO 02 27 40.5629838552 -04 02 51.180850788           ~ 15 0
72 SDSS J022746.45-040100.8 QSO 02 27 46.460 -04 01 00.90           ~ 9 0
73 VIPERS 117177222 QSO 02 27 47.154 -04 45 20.21           ~ 6 0
74 SDSS J022747.33-042753.7 Sy1 02 27 47.331 -04 27 53.79   22.019 21.710 21.595 21.289 ~ 8 0
75 SDSS J022749.46-045925.7 QSO 02 27 49.46 -04 59 25.6           ~ 5 0
76 Z 294-4 Sy1 12 56 14.2341182928 +56 52 25.238373852   14.68 13.84     ~ 2096 3
77 V* GG Lup SB* 15 18 56.3746551072 -40 47 17.596548564   5.495 5.604 5.613   B7V 146 0
78 NGC 6240 Sy2 16 52 58.9 +02 24 03   14.31 13.37     ~ 1734 2
79 NAME Super Antennae Sy2 19 31 21.4272801984 -72 39 21.442847832   17.39 16.37 14.65   ~ 318 3

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