2006A&A...445..413M

Query : 2006A&A...445..413M

2006A&A...445..413M - Astronomy and Astrophysics, volume 445413-422 (2006/1-2)

Deep Extragalactic VLBI-Optical Survey (DEVOS). I. Pilot MERLIN and VLBI observations.

MOSONI L., FREY S., GURVITS L.I., GARRETT M.A., GARRINGTON S.T. and TSVETANOV Z.I.

Abstract (from CDS):

We present the results of the pilot observations of the Deep Extragalactic VLBI-Optical Survey (DEVOS). Our ultimate aim is to collect information on compact structures in a large sample of extragalactic radio sources (∼104 objects) up to two orders of magnitude fainter than those studied in typical imaging Very Long Baseline Interferometry (VLBI) surveys up until now. This would lead to an unprecedented data base for various astrophysical, astrometric and cosmological studies. The first global VLBI observations of the DEVOS programme were successfully conducted in May 2002. We selected sources without any spectral criterion from the Very Large Array (VLA) Faint Images of the Radio Sky at Twenty-centimeters (FIRST) catalogue, that are also detected with the Multi-Element Radio Linked Interferometer Network (MERLIN). The DEVOS pilot sample sources are in the area of the sky that is covered by the Sloan Digital Sky Survey (SDSS). We describe the sample selection and present high resolution 5-GHz radio images of the sources. Based on the results of this pilot study, we estimate the outcome of and the resources needed for a full-scale DEVOS project.

Abstract Copyright: ∼

Journal keyword(s): techniques: interferometric - radio continuum: galaxies - galaxies: active - quasars: general - surveys

Simbad objects: 50

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Number of rows : 50
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 NVSS J124833+323207 Rad 12 48 33.121 +32 32 07.43           ~ 2 0
2 NVSS J124912+324437 Rad 12 49 12.535 +32 44 37.87           ~ 3 1
3 FIRST J124954.5+332329 Rad 12 49 54.566 +33 23 29.97           ~ 1 0
4 FIRST J125102.0+315634 Rad 12 51 02.04 +31 56 34.5           ~ 1 0
5 NVSS J125107+320906 Rad 12 51 07.014 +32 09 06.75           ~ 4 1
6 NAME NGP reg 12 51 26.275 +27 07 41.70           ~ 1274 0
7 NVSS J125214+333110 Rad 12 52 14.206 +33 31 09.92           ~ 7 1
8 NVSS J125221+313029 Rad 12 52 21.209 +31 30 28.46           ~ 3 1
9 5C 12.11 BLL 12 52 40.2857053824 +33 10 58.183532472   20.71 20.19     ~ 25 1
10 NVSS J125252+314419 Rad 12 52 52.889 +31 44 19.43           ~ 3 1
11 NVSS J125354+311557 rG 12 53 54.0529714536 +31 15 58.897423008           ~ 5 1
12 NVSS J125410+330912 Rad 12 54 10.832 +33 09 12.14           ~ 3 1
13 NVSS J125452+311820 Rad 12 54 52.469 +31 18 19.69           ~ 1 0
14 FIRST J125543.7+324115 Rad 12 55 43.71 +32 41 15.5           ~ 1 0
15 NVSS J125546+304609 Rad 12 55 46.213 +30 46 11.28           ~ 8 1
16 FIRST J125546.5+304605 Rad 12 55 46.51 +30 46 05.2           ~ 1 0
17 NVSS J125620+304525 Rad 12 56 20.641 +30 45 25.36           ~ 3 1
18 5C 12.63 QSO 12 56 58.42378 +32 50 53.1961           ~ 6 1
19 NVSS J125728+342429 rG 12 57 28.64794 +34 24 29.1106           ~ 5 1
20 NVSS J125734+335805 Rad 12 57 34.213 +33 58 02.14           ~ 5 1
21 FIRST J125734.8+335811 Rad 12 57 34.810 +33 58 11.51           ~ 1 0
22 7C 1255+3116 QSO 12 57 46.3695533227 +30 59 55.200117738           ~ 12 1
23 NVSS J125755+313915 Rad 12 57 55.825 +31 39 13.87           ~ 3 1
24 AB 66 Bla 12 57 57.23184476 +32 29 29.3264986   19.40 19.17 17.69   ~ 142 1
25 7C 125557.39+314745.00 QSO 12 58 21.1609196352 +31 31 32.642106060   20.2       ~ 14 1
26 NVSS J125842+341109 Rad 12 58 42.199 +34 11 09.51           ~ 1 0
27 5C 12.98 QSO 12 58 58.6034703072 +32 57 38.162161944           ~ 19 1
28 4C 33.31 Rad 12 59 00.034 +33 06 16.41           ~ 10 1
29 NVSS J125938+313049 Rad 12 59 38.442 +31 30 47.77           ~ 3 1
30 NVSS J125953+335653 rG 12 59 54.01997 +33 56 53.3084   20.9       ~ 18 1
31 NVSS J130056+314442 rG 13 00 56.49270 +31 44 42.7440           ~ 3 2
32 FIRST J130114.5+313254 Rad 13 01 14.548 +31 32 54.20           ~ 1 0
33 5C 12.165 QSO 13 01 21.4279116264 +34 00 30.247004268   19.54 19.33     ~ 34 1
34 5C 12.170 QSO 13 01 29.1544244472 +33 37 00.382119168   20.54 20.16     ~ 67 1
35 NVSS J130137+323424 Rad 13 01 37.576 +32 34 23.76           ~ 3 1
36 NVSS J130150+313743 Rad 13 01 50.427 +31 37 42.62           ~ 3 1
37 NVSS J130200+340232 Rad 13 02 00.729 +34 02 31.42           ~ 6 1
38 NVSS J130203+320635 Rad 13 02 03.073 +32 06 35.58           ~ 3 1
39 NVSS J130230+305109 Rad 13 02 30.904 +30 51 09.49           ~ 3 1
40 5C 12.201 QSO 13 03 10.2702807480 +33 34 06.772920420           ~ 20 1
41 SDSS J130311.87+320739.3 QSO 13 03 11.8708480632 +32 07 39.302871996   19.5   19.4   ~ 7 1
42 NVSS J130334+305820 Rad 13 03 34.077 +30 58 17.93           ~ 3 1
43 NVSS J130411+310217 Rad 13 04 11.173 +31 02 21.77           ~ 3 1
44 NVSS J130424+334923 Rad 13 04 24.966 +33 49 23.85           ~ 6 1
45 NVSS J130533+312327 Rad 13 05 33.175 +31 23 27.64           ~ 3 1
46 FIRST J130557.1+333030 Rad 13 05 57.13 +33 30 30.1           ~ 1 0
47 FIRST J130557.2+333016 Rad 13 05 57.23 +33 30 16.9           ~ 1 0
48 NVSS J130620+324521 Rad 13 06 20.5619101968 +32 45 21.971079324           ~ 5 1
49 NVSS J130650+315055 rG 13 06 50.33137 +31 50 54.4094           ~ 3 1
50 QSO B1546+0246 Bla 15 49 29.43684740 +02 37 01.1632556   17.57 17.42 15.53   ~ 395 1

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