2020A&A...634A..50P

Query : 2020A&A...634A..50P

2020A&A...634A..50P - Astronomy and Astrophysics, volume 634A50-50 (2020/2-1)

Extending the variability selection of active galactic nuclei in the W-CDF-S and SERVS/SWIRE region.

POULAIN M., PAOLILLO M., DE CICCO D., BRANDT W.N., BAUER F.E., FALOCCO S., VAGNETTI F., GRADO A., RAGOSTA F., BOTTICELLA M.T., CAPPELLARO E., PIGNATA G., VACCARI M., SCHIPANI P., COVONE G., LONGO G. and NAPOLITANO N.R.

Abstract (from CDS):

Context. Variability has proven to be a powerful tool to detect active galactic nuclei (AGN) in multi-epoch surveys. The new-generation facilities expected to become operational in the next few years will mark a new era in time-domain astronomy and their wide-field multi-epoch campaigns will favor extensive variability studies. Aims. We present our analysis of AGN variability in the second half of the VST survey of the Wide Chandra Deep Field South, performed in the r band and covering a 2 sq. deg area. The analysis complements a previous work, in which the first half of the area was investigated. We provide a reliable catalog of variable AGN candidates, which will be critical targets in future variability studies. Methods. We selected a sample of optically variable sources and made use of infrared data from the Spitzer mission to validate their nature by means of color-based diagnostics. Results. We obtain a sample of 782 AGN candidates among which 12 are classified as supernovae, 54 as stars, and 232 as AGN. We estimate a contamination ≤20% and a completeness ∼38% with respect to mid-infrared selected samples.

Abstract Copyright: © ESO 2020

Journal keyword(s): galaxies: active - infrared: galaxies - surveys

VizieR on-line data: <Available at CDS (J/A+A/634/A50): table3.dat>

Nomenclature: Table 3: [PPD2020] CDF-SN NNN (Nos CDF-S3 1 to 350, CDF-S4 1 to 432).

Simbad objects: 85

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Number of rows : 85
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 ELAIS S1 reg 00 34 44 -43 28.2           ~ 254 0
2 [PPD2020] CDF-S3 2 AG? 03 26 59.1 -29 03 12           ~ 1 0
3 DES J032700.06-281652.8 AGN 03 27 00.065 -28 16 52.89           ~ 2 0
4 DES J032715.80-281418.7 AGN 03 27 15.8077633392 -28 14 18.731938560           ~ 3 0
5 [PPD2020] CDF-S3 69 AG? 03 27 23.0 -28 50 54           ~ 1 0
6 [PPD2020] CDF-S3 106 AG? 03 27 27.9 -28 46 31           ~ 1 0
7 [PPD2020] CDF-S3 307 AG? 03 27 28.8 -28 15 32           ~ 1 0
8 [PPD2020] CDF-S3 33 AG? 03 27 33.4 -28 55 40           ~ 1 0
9 [PPD2020] CDF-S3 132 AG? 03 27 44.7 -28 41 18           ~ 1 0
10 [PPD2020] CDF-S3 144 AG? 03 27 53.7 -28 37 36           ~ 1 0
11 [PPD2020] CDF-S3 189 AG? 03 27 54.3 -28 29 28           ~ 1 0
12 DES J032804.66-285129.3 AGN 03 28 04.666 -28 51 29.40           ~ 2 0
13 [PPD2020] CDF-S3 208 AG? 03 28 05.8 -28 26 54           ~ 1 0
14 [PPD2020] CDF-S3 42 AG? 03 28 13.0 -28 53 56           ~ 1 0
15 DES J032814.86-284132.5 AGN 03 28 14.863 -28 41 32.54           ~ 2 0
16 DES J032818.09-280747.7 QSO 03 28 18.100 -28 07 47.79           ~ 3 0
17 [PPD2020] CDF-S3 100 AG? 03 28 24.9 -28 47 43           ~ 1 0
18 [PPD2020] CDF-S3 112 AG? 03 28 28.3 -28 45 16           ~ 1 0
19 DES J032831.41-285249.8 QSO 03 28 31.414 -28 52 49.83           ~ 3 0
20 DES J032832.98-282411.2 AGN 03 28 32.982 -28 24 11.23           ~ 2 0
21 DES J032847.53-282314.0 QSO 03 28 47.537 -28 23 14.05           ~ 3 0
22 [PPD2020] CDF-S3 135 AG? 03 28 56.8 -28 39 24           ~ 1 0
23 DES J032909.05-285708.7 AGN 03 29 09.060 -28 57 08.79           ~ 2 0
24 [PPD2020] CDF-S3 170 AG? 03 29 18.6 -28 32 45           ~ 1 0
25 DES J032920.48-283124.5 AGN 03 29 20.480 -28 31 24.53           ~ 2 0
26 [PPD2020] CDF-S3 180 AG? 03 29 24.0 -28 30 58           ~ 1 0
27 [PPD2020] CDF-S3 96 AG? 03 29 26.0 -28 48 08           ~ 1 0
28 DES J032928.14-284156.5 AGN 03 29 28.146 -28 41 56.59           ~ 2 0
29 [PPD2020] CDF-S3 314 AG? 03 29 29.0 -28 13 02           ~ 1 0
30 [PPD2020] CDF-S3 334 AG? 03 29 32.8 -28 05 59           ~ 1 0
31 DES J032938.17-285014.5 AGN 03 29 38.16 -28 50 14.4           ~ 3 0
32 [PPD2020] CDF-S3 327 AG? 03 29 45.4 -28 09 02           ~ 1 0
33 [PPD2020] CDF-S3 232 AG? 03 29 56.2 -28 22 53           ~ 1 0
34 [PPD2020] CDF-S3 22 AG? 03 30 33.3 -29 00 03           ~ 1 0
35 [PPD2020] CDF-S3 10 AG? 03 30 38.5 -29 02 40           ~ 1 0
36 [PPD2020] CDF-S3 251 AG? 03 30 49.5 -28 19 48           ~ 1 0
37 DES J033057.32-284737.4 QSO 03 30 57.3 -28 47 37           ~ 2 0
38 DES J033058.15-283603.3 QSO 03 30 58.2 -28 36 03           ~ 2 0
39 DES J033058.33-284218.0 QSO 03 30 58.3 -28 42 18           ~ 2 0
40 [NBC2021] WCDFS1440 AGN 03 31 00.7 -28 16 21           ~ 2 0
41 [PPD2020] CDF-S3 67 AG? 03 31 13.9 -28 51 01           ~ 1 0
42 DES J033114.39-282829.6 AGN 03 31 14.397 -28 28 29.69           ~ 2 0
43 [PPD2020] CDF-S4 49 AG? 03 31 34.4 -28 53 33           ~ 1 0
44 DES J033141.79-281804.9 AGN 03 31 41.798 -28 18 04.90           ~ 2 0
45 [PPD2020] CDF-S4 156 AG? 03 31 42.4 -28 35 23           ~ 1 0
46 BLAST J033149-280936 AG? 03 31 49.9 -28 09 42           ~ 3 0
47 [PPD2020] CDF-S4 40 AG? 03 31 51.0 -28 55 00           ~ 1 0
48 [PPD2020] CDF-S4 143 AG? 03 32 01.6 -28 37 14           ~ 1 0
49 DES J033203.75-285245.9 QSO 03 32 03.752 -28 52 45.99           ~ 3 0
50 [PPD2020] CDF-S4 186 AG? 03 32 06.5 -28 31 52           ~ 1 0
51 DES J033211.42-284324.0 QSO 03 32 11.425 -28 43 24.08           ~ 5 0
52 NAME Chandra Deep Field-South reg 03 32 28.0 -27 48 30           ~ 2282 1
53 NAME Extended Chandra Deep Field South reg 03 32 30.0 -27 48 20           ~ 862 0
54 [PPD2020] CDF-S4 210 AG? 03 32 39.0 -28 26 57           ~ 1 0
55 DES J033247.47-282928.4 AGN 03 32 47.478 -28 29 28.47           ~ 2 0
56 [NBC2021] WCDFS1770 AGN 03 32 48.6 -28 37 27           ~ 2 0
57 DES J033253.19-284334.9 AGN 03 32 53.196 -28 43 34.97           ~ 2 0
58 [PPD2020] CDF-S4 153 AG? 03 32 59.8 -28 35 48           ~ 1 0
59 [PPD2020] CDF-S4 145 AG? 03 33 02.1 -28 36 40           ~ 1 0
60 [PPD2020] CDF-S4 106 AG? 03 33 09.7 -28 45 26           ~ 1 0
61 [PPD2020] CDF-S4 37 AG? 03 33 10.0 -28 55 50           ~ 1 0
62 DES J033312.48-281141.2 AGN 03 33 12.482 -28 11 41.27           ~ 2 0
63 [PPD2020] CDF-S4 369 AG? 03 33 14.3 -28 07 44           ~ 1 0
64 [PPD2020] CDF-S4 92 AG? 03 33 14.7 -28 47 44           ~ 1 0
65 DES J033318.18-283041.8 AGN 03 33 18.184 -28 30 41.81           ~ 2 0
66 [PPD2020] CDF-S4 251 AG? 03 33 19.7 -28 20 53           ~ 1 0
67 [PPD2020] CDF-S4 209 AG? 03 33 39.7 -28 27 06           ~ 1 0
68 [PPD2020] CDF-S4 157 AG? 03 33 41.7 -28 35 19           ~ 1 0
69 [PPD2020] CDF-S4 127 AG? 03 33 49.9 -28 40 36           ~ 1 0
70 [PPD2020] CDF-S4 51 AG? 03 34 08.3 -28 53 30           ~ 1 0
71 [CBH2010] 053.581249-28.211390 AG? 03 34 19.5 -28 12 41           ~ 2 0
72 [PPD2020] CDF-S4 229 AG? 03 34 24.4 -28 22 52           ~ 1 0
73 [PPD2020] CDF-S4 334 AG? 03 34 29.7 -28 13 14           ~ 1 0
74 [PPD2020] CDF-S4 354 AG? 03 34 38.3 -28 09 21           ~ 1 0
75 [PPD2020] CDF-S4 168 AG? 03 34 49.4 -28 34 04           ~ 1 0
76 [PPD2020] CDF-S4 8 AG? 03 34 55.8 -29 01 32           ~ 1 0
77 [PPD2020] CDF-S4 241 AG? 03 34 58.9 -28 21 20           ~ 1 0
78 [PPD2020] CDF-S4 41 AG? 03 35 09.0 -28 54 13           ~ 1 0
79 [PPD2020] CDF-S4 158 AG? 03 35 13.1 -28 35 03           ~ 1 0
80 [PPD2020] CDF-S4 23 AG? 03 35 13.9 -28 58 23           ~ 1 0
81 [PPD2020] CDF-S4 352 AG? 03 35 14.9 -28 09 28           ~ 1 0
82 [PPD2020] CDF-S4 203 AG? 03 35 17.4 -28 28 19           ~ 1 0
83 [PPD2020] CDF-S4 169 AG? 03 35 30.6 -28 33 57           ~ 1 0
84 [PPD2020] CDF-S4 172 AG? 03 35 51.0 -28 33 41           ~ 1 0
85 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0

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