2008A&A...488...73T


C.D.S. - SIMBAD4 rel 1.7 - 2019.07.23CEST21:03:10

2008A&A...488...73T - Astronomy and Astrophysics, volume 488, 73-81 (2008/9-2)

Variability-selected active galactic nuclei from supernova search in the Chandra Deep Field South.

TREVESE D., BOUTSIA K., VAGNETTI F., CAPPELLARO E. and PUCCETTI S.

Abstract (from CDS):

Variability is a property shared by virtually all active galactic nuclei (AGNs), and was adopted as a criterion for their selection using data from multi epoch surveys. Low Luminosity AGNs (LLAGNs) are contaminated by the light of their host galaxies, and cannot therefore be detected by the usual colour techniques. For this reason, their evolution in cosmic time is poorly known. Consistency with the evolution derived from X-ray detected samples has not been clearly established so far, also because the low luminosity population consists of a mixture of different object types. LLAGNs can be detected by the nuclear optical variability of extended objects. Several variability surveys have been, or are being, conducted for the detection of supernovae (SNe). We propose to re-analyse these SNe data using a variability criterion optimised for AGN detection, to select a new AGN sample and study its properties. We analysed images acquired with the wide field imager at the 2.2 m ESO/MPI telescope, in the framework of the STRESS supernova survey. We selected the AXAF field centred on the Chandra Deep Field South where, besides the deep X-ray survey, various optical data exist, originating in the EIS and COMBO-17 photometric surveys and the spectroscopic database of GOODS. We obtained a catalogue of 132 variable AGN candidates. Several of the candidates are X-ray sources. We compare our results with an HST variability study of X-ray and IR detected AGNs, finding consistent results. The relatively high fraction of confirmed AGNs in our sample (60%) allowed us to extract a list of reliable AGN candidates for spectroscopic follow-up observations.

Abstract Copyright:

Journal keyword(s): surveys - galaxies: active - galaxies: quasars: general - X-rays: galaxies

VizieR on-line data: <Available at CDS (J/A+A/488/73): table2.dat>

Nomenclature: Table 2: [TBV2008] NNN (Nos 1-132).

Simbad objects: 136

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Number of rows : 136

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 [TBV2008] 31 QSO 03 31 11.3803490698 -27 41 32.107862849 20.30 20.96 20.62 20.57   ~ 3 0
2 [ABP2001] J033113.03-275055.5 G 03 31 13.03 -27 50 55.5 23.67 22.55 21.78 20.66   ~ 2 1
3 CXOYECDF J033114.2-274708 X 03 31 14.19 -27 47 07.6 23.53 23.57 23.06 22.89   ~ 5 0
4 [TBV2008] 17 ? 03 31 14.50 -28 10 54.7     19.93     ~ 1 0
5 [VV2010] J033115.0-275519 QSO 03 31 15.0437742054 -27 55 18.769754020 21.19 21.74 21.21 20.84   ~ 27 0
6 [TBV2008] 7 * 03 31 16.3486544076 -27 57 35.025475736 20.15 19.47 19.20 18.96   ~ 2 0
7 [WDK2001] 43124 EmG 03 31 16.680 -27 43 29.18 20.34 19.43 19.07 18.78   ~ 4 0
8 [TBV2008] 79 ? 03 31 17.07 -28 08 20.5     22.45     ~ 1 0
9 [LBA2005] 12 QSO 03 31 18.690 -27 41 21.38 22.18 22.75 21.78 21.62   ~ 8 0
10 [CBH2010] 052.836498-27.946945 QSO 03 31 20.78 -27 56 49.3 21.11 20.87 20.88 20.691   ~ 10 0
11 CXOYECDF J033121.5-280451 X 03 31 21.45 -28 04 50.6 22.87 21.73 21.97 21.62   ~ 6 0
12 [WDK2001] 49662 G 03 31 24.180 -27 40 19.45 23.62 23.56 22.59 22.38   ~ 2 0
13 [LBA2005] 54 QSO 03 31 27.8 -28 00 50 21.54 21.78 21.76 21.72   ~ 14 0
14 EIS J033128.61-280759.0 ? 03 31 28.61 -28 07 58.6     22.63     ~ 1 0
15 [WDK2001] 24036 G 03 31 28.83 -27 52 27.5 23.95 23.36 22.81 22.94   ~ 1 0
16 [TBV2008] 59 ? 03 31 29.41 -28 10 27.4     21.87     ~ 1 0
17 [WDK2001] 52868 G 03 31 34.18 -27 38 46.1 23.62         ~ 1 0
18 [WDK2001] 1647 QSO 03 31 35.40 -28 03 15.8 22.13 21.73 21.39 20.95   ~ 15 0
19 2XMM J033135.7-275134 QSO 03 31 35.77 -27 51 34.7 22.41 21.87 22.15 21.86 21.68 ~ 24 0
20 [LBA2005] 100 QSO 03 31 36.3 -28 01 49 22.20 21.80 22.55 21.79   ~ 14 0
21 [HGD2002] EIS J033140.07-273917.8 QSO 03 31 40.07 -27 39 17.8 23.10 23.17 22.93 23.10   ~ 10 0
22 CXOYECDF J033144.1-280500 X 03 31 44.14 -28 05 00.0 23.68 22.64 22.14 21.50   ~ 6 0
23 EIS J033144.22-280714.4 ? 03 31 44.21 -28 07 14.1     22.90     ~ 1 0
24 [RPF2007] EIS J033147.90-274831.2 EmG 03 31 47.90 -27 48 31.2 23.88 23.99 23.42 22.853 22.72 ~ 4 0
25 [SBH2004] XID 238 AGN 03 31 47.969 -27 50 45.33 23.85 23.95 24.00 23.74 23.32 ~ 22 0
26 [LBA2005] 181 QSO 03 31 49.382 -27 46 34.00 23.26 22.66 22.46 22.38 22.23 ~ 29 0
27 [LBX2017] 28 AGN 03 31 49.5 -27 43 20 23.16 22.89 22.43 22.07 21.65 ~ 24 0
28 [TBV2008] 90 SN* 03 31 49.98 -28 09 41.6     22.91     ~ 2 0
29 2XMM J033150.9-274116 QSO 03 31 50.95553 -27 41 15.9061 23.19 22.570 22.67 22.256   ~ 23 0
30 [WDK2001] 51258 G 03 31 51.01 -27 39 33.4 23.99 23.71 23.65 23.38   ~ 1 0
31 [LBA2005] 199 QSO 03 31 51.8 -28 00 26 22.88 22.58 22.38 22.53   ~ 14 0
32 CXOECDFS J033151.8-280555 X 03 31 51.88 -28 05 55.3 22.76   22.46 22.34   ~ 3 0
33 [TBV2008] 15 EmG 03 31 54.67 -28 10 36.0     19.88     ~ 6 0
34 [LBA2005] 235 QSO 03 31 56.86 -28 01 48.7 22.57 22.21 22.37 21.82   ~ 17 0
35 [WDK2001] 3111 G 03 31 58.13 -28 02 41.5 23.02 21.57 20.63 19.73   ~ 2 0
36 ZFOURGE CDFS 10891 G 03 31 59.53 -27 50 21.7 23.90 23.82 23.66 23.53 23.842 ~ 5 0
37 [ABB2003] CDFS 34 QSO 03 32 00.353 -27 43 19.66 22.76 22.706 22.335 22.01 22.213 ~ 46 0
38 [TBV2008] 53 ? 03 32 01.18 -28 08 54.8     21.74     ~ 1 0
39 [VV2006] J033201.6-274327 QSO 03 32 01.580 -27 43 27.00 24.86 23.792 24.07 23.405 23.99 ~ 40 0
40 [TBV2008] 117 ? 03 32 02.43 -28 10 47.3     23.75     ~ 1 0
41 [DAB2009] 100 smm 03 32 03.89 -28 10 15.6     21.93     ~ 3 0
42 [VTU2006] 273 * 03 32 05.24 -28 04 15.4 22.51 22.01 21.50 21.08   ~ 9 0
43 CXOYECDF J033207.3-280431 X 03 32 07.35 -28 04 30.7     23.36 23.36   ~ 5 0
44 [VV2006] J033208.7-274735 QSO 03 32 08.6732096291 -27 47 34.649025498 19.78 19.471 19.11 18.665 18.621 ~ 75 0
45 [TBV2008] 100 ? 03 32 08.92 -28 09 18.7     23.15     ~ 1 0
46 [VV2006] J033209.5-274807 QSO 03 32 09.4583970360 -27 48 07.083686348 22.94 21.474 21.07 20.422 20.486 ~ 53 0
47 2XMM J033210.9-274415 Sy1 03 32 10.914 -27 44 14.96 23.35 22.500 22.882 22.50 22.371 ~ 68 0
48 2MASS J03321178-2809116 EmG 03 32 11.78 -28 09 11.6     20.03     ~ 3 0
49 EIS J033211.85-280616.5 ? 03 32 11.83 -28 06 16.3 21.50   20.68 20.35   ~ 1 0
50 [VV2006] J033216.2-273931 QSO 03 32 16.2095158243 -27 39 30.660983266 20.74 20.29 20.03 19.72 19.66 ~ 43 0
51 [LBX2017] 306 AGN 03 32 17.139 -27 43 03.32 23.16 23.10   21.068 20.840 ~ 70 0
52 2XMM J033220.3-280214 QSO 03 32 20.30 -28 02 14.2 21.03 21.17 20.76 20.73   ~ 17 0
53 [BLT2007] 71629 G 03 32 21.0037 -27 40 29.734 23.69 23.54 23.62 23.04 23.12 ~ 6 0
54 [WDK2001] 51796 G 03 32 21.60593 -27 39 21.9686 24.41 23.701 22.77 23.384   ~ 3 0
55 [VV2006] J033226.5-274036 QSO 03 32 26.497 -27 40 35.71 20.34 20.069   20.091 19.767 ~ 59 0
56 [VV2006] J033227.0-274105 QSO 03 32 27.006 -27 41 05.12 19.93 19.363   19.003 19.116 ~ 73 0
57 NAME Chandra Deep Field-South reg 03 32 28.0 -27 48 30           ~ 1734 1
58 NAME GOODS Southern Field reg 03 32 28.0 -27 48 30           ~ 982 1
59 VCDFS 39039 EmG 03 32 28.6360 -27 38 46.479 24.32 24.31 24.02 23.396 23.71 ~ 7 0
60 2XMM J033229.9-274528 Sy1 03 32 29.980 -27 45 29.91 21.66 21.131 21.33 21.298 21.104 ~ 61 1
61 2dFGRS TGS243Z016 EmG 03 32 29.9857736009 -27 44 05.386004403 19.78 18.221 17.419 17.236 17.011 ~ 57 0
62 NAME Extended Chandra Deep Field South reg 03 32 30.0 -27 48 20           ~ 580 0
63 [VTU2006] 485 QSO 03 32 30.1 -28 00 20 22.64 22.08 21.86 22.19 21.74 ~ 23 0
64 EIS J033231.81-280710.6 EmG 03 32 31.78 -28 07 10.4     20.84     ~ 2 0
65 2XMM J033232.0-280308 QSO 03 32 32.02 -28 03 09.9 19.65 19.85 19.82 19.92   ~ 23 0
66 [LBA2005] 400 QSO 03 32 32.3 -28 03 28 21.85 21.89 21.82 21.58   ~ 13 0
67 GOODS J033232.50-273902.4 G 03 32 32.4994 -27 39 02.355 25.41 24.08 23.33 22.89 22.30 ~ 5 0
68 [GGH2002] EIS J033234.59-280314.2 QSO 03 32 34.5827827264 -28 03 14.218957410 20.91 20.30 20.20 20.08   ~ 4 0
69 [TBV2008] 102 ? 03 32 34.92 -28 09 19.7     23.17     ~ 1 0
70 2MASX J03323506-2755331 EmG 03 32 35.022 -27 55 32.98 18.58 17.587 16.568 16.38 15.71 ~ 36 0
71 [VTU2006] 481 QSO 03 32 35.3 -28 00 41 24.58 24.45 24.07 23.72   ~ 9 0
72 MUSE-WIDE 123043172 EmG 03 32 35.3661 -27 49 20.751 22.70 23.82 24.211 23.353 23.15 ~ 10 0
73 SWIRE J033237.30-280847.2 QSO 03 32 37.3013550567 -28 08 47.220631342     20.50     ~ 6 0
74 2XMM J033238.0-273945 QSO 03 32 38.118 -27 39 44.79 20.89 20.934 20.511 20.804 20.630 ~ 52 0
75 CXOCDFS J033239.1-275917 AGN 03 32 38.92 -27 59 18.9 23.33 23.26 22.78 22.35 21.49 ~ 27 0
76 [VV2006] J033239.1-274602 QSO 03 32 39.081 -27 46 01.80 21.11 21.413 21.157 20.68 20.925 ~ 63 0
77 [VV2006] J033241.9-275203 QSO 03 32 41.85917 -27 52 02.4539   23.305 23.03 22.529 22.403 ~ 54 1
78 ZFOURGE CDFS 9837 EmG 03 32 42.01190 -27 50 51.8914 25.06 24.075 24.06 23.802   ~ 8 0
79 [LBX2017] 796 QSO 03 32 43.2358 -27 49 14.177 24.17 22.405   22.984 22.543 ~ 61 0
80 [MBR2003] CDFS-H 1195 G 03 32 44.140 -27 39 41.89 19.95 19.03 18.48 18.10   ~ 4 0
81 [TBV2008] 39 QSO 03 32 44.1878215428 -28 10 28.634494380     21.07     ~ 5 0
82 LEDA 747555 AGN 03 32 45.96439 -27 57 45.3856 18.83 17.699 17.30 17.054 16.58 ~ 31 0
83 SWIRE J033246.75-280846.9 QSO 03 32 46.7661209155 -28 08 46.895874786     19.21     ~ 4 0
84 [TBV2008] 85 ? 03 32 48.57 -28 09 50.5     22.84     ~ 1 0
85 [TBV2008] 110 ? 03 32 49.24 -28 09 02.9     23.54     ~ 1 0
86 CXOECDFS J033249.8-280514 X 03 32 49.84 -28 05 14.6 23.21   22.64 22.41   ~ 5 0
87 LEDA 745916 G 03 32 52.6 -28 05 38     23.27     ~ 2 0
88 [MBR2003] CDFS-H 4034 EmG 03 32 53.90 -27 53 54.0 20.62 19.66 19.13 18.75   ~ 6 0
89 2XMM J033259.0-274340 QSO 03 32 59.060 -27 43 39.49 22.26 21.90 21.61 20.973 20.41 ~ 33 0
90 [VV2006] J033259.8-274749 QSO 03 32 59.8501101256 -27 47 48.385707420 22.29 21.81 21.47 21.74 21.95 ~ 41 0
91 [VTU2006] 443 QSO 03 33 00.76850 -27 55 20.6252 22.73 22.428 22.05 22.099 21.64 ~ 26 0
92 [WDK2001] 20787 SN* 03 33 05.30 -27 54 09.2 22.90 22.21 21.51 21.19   ~ 2 0
93 [HGD2002] EIS J033306.28-280055.8 QSO 03 33 06.28 -28 00 55.8 22.40 22.19 21.72 21.61   ~ 11 0
94 [TBV2008] 46 ? 03 33 06.78 -28 09 14.3     21.42     ~ 1 0
95 [TBV2008] 45 ? 03 33 07.64 -28 09 51.5     21.27     ~ 1 0
96 2MASS J03330935-2807257 * 03 33 09.3597385000 -28 07 25.812997274     17.13     ~ 1 0
97 [LBA2005] 596 QSO 03 33 09.7180047240 -27 56 14.276446366 20.55 20.15 20.11 20.24   ~ 17 0
98 [GZW2002] Main 303 QSO 03 33 10.19650 -27 48 41.9486 24.27 23.866 23.14 22.97 22.00 ~ 42 0
99 XMMCDFS J033310.6-275748 QSO 03 33 10.6 -27 57 48 21.68 21.47 21.45 21.33   ~ 18 0
100 [LBX2017] 996 QSO 03 33 12.6 -27 55 51 21.92 20.82 20.62 20.40 19.99 ~ 27 0
101 [VTU2006] 424 QSO 03 33 14.84 -27 57 49.0 25.35 23.70 23.96 23.70   ~ 10 0
102 [TBV2008] 95 ? 03 33 15.75 -28 08 55.2     22.96     ~ 1 0
103 [LBA2005] 631 QSO 03 33 16.0 -28 01 31 22.38 22.86 22.52 22.84   ~ 13 0
104 2MASS J03331606-2739029 * 03 33 16.0732854532 -27 39 02.925958225 23.26 20.96 19.91 18.92   ~ 3 0
105 [XLB2011] 736 AGN 03 33 16.51610 -27 50 39.4670 21.25 19.64 19.11 18.60 18.02 ~ 34 0
106 2MASS J03331899-2741450 * 03 33 19.0012989152 -27 41 45.152168714 19.53 17.55 17.02 16.51   ~ 2 0
107 EIS J033319.06-280803.0 ? 03 33 19.04 -28 08 02.5     21.99     ~ 1 0
108 EIS J033319.78-280627.8 ? 03 33 19.78 -28 06 27.4 22.58   22.01 21.09   ~ 1 0
109 [VTU2006] 415 QSO 03 33 20.0198685777 -27 59 12.655905193 21.80 21.26 21.26 20.966   ~ 14 0
110 2MASX J03332060-2749107 AGN 03 33 20.577 -27 49 11.13 19.12 17.471 16.68 16.264   ~ 24 0
111 2XMM J033320.9-273910 QSO 03 33 21.0828857451 -27 39 12.023999982 20.50 20.39 20.39 20.28   ~ 14 0
112 [WDK2001] 24466 G 03 33 21.222 -27 52 19.43 23.60 23.48 23.59 23.49   ~ 2 0
113 [LBA2005] 678 QSO 03 33 22.7992081680 -27 55 23.960305577 20.94 21.04 20.63 20.72   ~ 16 0
114 [LBA2005] 679 QSO 03 33 22.9 -28 03 12 23.15 22.60 22.71 22.47   ~ 12 0
115 [WDK2001] 30008 G 03 33 22.968 -27 49 37.25 23.64 23.48 23.37 23.69   ~ 2 0
116 [LBA2005] 700 QSO 03 33 26.2523903930 -27 58 29.962084592 20.58 20.69 20.65 20.77   ~ 18 0
117 [LBA2005] 702 QSO 03 33 26.40 -27 48 30.4 23.75 24.06 23.31 23.28   ~ 7 0
118 [MFK2008] J033328.96-275641.4 QSO 03 33 28.9378569131 -27 56 41.247969936 20.72 20.25 20.12 20.13   ~ 29 0
119 [VTU2006] 403 QSO 03 33 29.21 -27 59 27.0 21.40 21.37 20.95 20.776   ~ 20 0
120 [TBV2008] 54 ? 03 33 30.93 -28 10 55.5     21.75     ~ 1 0
121 [HGD2002] EIS J033331.13-275929.0 Q? 03 33 31.13 -27 59 29.0 23.96 23.97 23.72 23.79   ~ 2 0
122 [VTU2006] 401 QSO 03 33 31.3837058105 -27 56 34.504439691 20.72 20.15 20.07 19.93   ~ 12 0
123 [TBV2008] 16 * 03 33 32.5250232067 -27 38 44.312153627 23.03 20.77 19.95 19.15   ~ 2 0
124 XMMCDFS J033332.5-274902 QSO 03 33 32.8 -27 49 08 22.23 21.59 22.09 21.61   ~ 15 0
125 [TBV2008] 107 G 03 33 35.25 -27 51 57.8 24.28 23.85 23.30 22.84   ~ 1 0
126 [LBA2005] 741 EmG 03 33 35.550 -27 39 34.50 23.00 22.51 21.87 20.90   ~ 9 0
127 [WDK2001] 33178 G 03 33 35.97 -27 48 03.7 24.32 23.85 23.18 22.86   ~ 1 0
128 EIS J033337.63-280600.6 ? 03 33 37.58 -28 06 00.2     23.62     ~ 1 0
129 EIS J033338.87-274016.9 * 03 33 38.86 -27 40 16.4 21.53 19.78 19.29 18.80   ~ 2 0
130 EIS J033338.94-274205.7 ? 03 33 38.93 -27 42 05.3 22.63 22.29 21.60 20.98   ~ 1 0
131 EIS J033339.09-275256.4 ? 03 33 39.09 -27 52 56.1 24.19 23.79 22.58 22.87   ~ 1 0
132 EIS J033339.14-273852.1 ? 03 33 39.15 -27 38 51.3 23.23 22.98 22.47 21.60   ~ 1 0
133 2MASS J03333927-2810013 IR 03 33 39.3230497950 -28 10 01.377744945     22.92     ~ 1 0
134 EIS J033339.81-275647.7 G 03 33 39.790 -27 56 47.40 23.92 23.21 22.98 22.04   ~ 2 0
135 [TBV2008] 119 ? 03 33 40.03 -28 09 08.3     23.83     ~ 1 0
136 SA 57- reg 13 08 38 +29 23.1           ~ 177 0

    Equat.    Gal    SGal    Ecl

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2019.07.23-21:03:10

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