2004A&A...424...91E


C.D.S. - SIMBAD4 rel 1.7 - 2019.11.20CET09:09:41

2004A&A...424...91E - Astronomy and Astrophysics, volume 424, 91-106 (2004/9-2)

New candidate GHz peaked spectrum and compact steep spectrum sources.

EDWARDS P.G. and TINGAY S.J.

Abstract (from CDS):

Data from a recent Australia Telescope Compact Array (ATCA) program of multi-frequency, multi-epoch monitoring of 202 active galactic nuclei with declinations <+10° have been searched for GHz Peaked Spectrum (GPS) and Compact Steep Spectrum (CSS) radio sources. Supplementary data at higher and lower frequencies, where available, have been used to further examine the spectral properties of previously reported and new candidate GPS and CSS sources. The ATCA monitoring program has allowed the variability and polarization properties of sources previously reported as GPS and CSS sources, and the majority of new GPS and CSS candidates, to be investigated, confirming that these are useful diagnostics in discriminating genuine GPS and CSS sources from variable sources that display similar spectra only temporarily. GPS sources are confirmed to be generally more compact, and less polarized, than CSS sources, although CSS sources show evidence for being somewhat less variable than GPS sources at 1.4 and 2.5GHz. In addition, the widths of GPS spectra are examined, and a significant difference is found in the GPS sample of Snellen et al. (2000MNRAS.319..429S) between sources with compact double (CD) or compact symmetric object (CSO) morphologies and sources with other morphologies, in that CD and CSO sources have generally narrower spectra. Possible reasons for this difference are considered.

Abstract Copyright:

Journal keyword(s): surveys - galaxies: active - radio continuum: galaxies

Simbad objects: 68

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Number of rows : 68

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 ICRF J002225.4+001456 BiC 00 22 25.42593021 +00 14 56.1613786   21.1       ~ 98 1
2 LBQS 0056-0009 Sy1 00 59 05.5145931113 +00 06 51.619894852   18.07 17.89 16.9   ~ 235 1
3 QSO B0104-408 QSO 01 06 45.10796851 -40 34 19.9602291   18.60 19.0 19.25   ~ 115 0
4 ICRF J011901.2+082954 Sy2 01 19 01.27435539 +08 29 54.6928702   20.5       ~ 67 1
5 QSO B0150-334 QSO 01 53 10.1214752858 -33 10 25.858505363   17.75 18.60 17.2   ~ 68 1
6 ICRF J015537.0-404842 Sy2 01 55 37.05939 -40 48 42.3567   18.5       ~ 47 1
7 QSO B0237-2322 QSO 02 40 08.1742481040 -23 09 15.727160394   16.78 16.63     ~ 467 0
8 NGC 1052 GiP 02 41 04.79851 -08 15 20.7517 11.84 11.41 10.47 10.71   ~ 1105 2
9 QSO B0403-132A BLL 04 05 34.0033474012 -13 08 13.691542963   17.37 17.09 16.6   ~ 306 1
10 4C 05.19 QSO 04 14 37.76781859 +05 34 42.3354282   24.100 23.800 21.270   ~ 321 2
11 QSO B0434-188 QSO 04 37 01.48273818 -18 44 48.6134950   19.11 19.0 19.62   ~ 93 1
12 QSO J0457-2324 QSO 04 57 03.1792314200 -23 24 52.020969479   18.85 18.5 16.56   ~ 321 1
13 QSO J0459+0229 QSO 04 59 52.05066226 +02 29 31.1765607   18.2 19     ~ 149 1
14 ICRF J050321.1+020304 Sy2 05 03 21.19717510 +02 03 04.6763382   22.500 21.350 20.682   ~ 170 1
15 QSO B0537-441 BLL 05 38 50.36155219 -44 05 08.9389165   15.77 16.48 16   ~ 765 2
16 ICRF J061635.9-345616 PaG 06 16 35.98056063 -34 56 16.5584624   19.98 18.0     ~ 52 1
17 2C 553 QSO 06 27 10.1 -05 53 06           ~ 147 1
18 QSO B0642-349 QSO 06 44 25.2814301415 -34 59 41.949111804     18.5 17.52   ~ 53 1
19 4C -00.28 QSO 07 45 54.08232111 -00 44 17.5398546   18 17.1 16.69   ~ 169 1
20 QSO B0858-279 QSO 09 00 40.0387032 -28 08 20.347385   14.74 17 19.00   ~ 61 1
21 QSO B1015-314 QSO 10 18 09.2600495231 -31 44 13.997657610   21 20.4     ~ 62 1
22 QSO B1032-199 QSO 10 35 02.15530220 -20 11 34.3595425   18.10 19.0 18.53   ~ 100 1
23 QSO B1057-797 BLL 10 58 43.30977041 -80 03 54.1597166   19.08   17.31   ~ 145 0
24 QSO B1143-245 QSO 11 46 08.1038916032 -24 47 32.896655354   17.97 18.0 17.20   ~ 108 1
25 4C -00.47 QSO 11 50 43.8708922658 -00 23 54.203269861   17.51 17.38 17.1   ~ 334 1
26 QSO B1215-457 QSO 12 18 06.2494001909 -46 00 28.762091040   19.59 20.3     ~ 68 1
27 QSO B1225+368 QSO 12 27 58.72544812 +36 35 11.8271784   21.5 21.5     ~ 115 0
28 3C 275 rG 12 42 19.6 -04 46 20   21       ~ 111 1
29 NAME Centaurus A Sy2 13 25 27.61509104 -43 01 08.8056025   8.18 6.84 6.66   ~ 3897 3
30 QSO B1334-127 QSO 13 37 39.78277768 -12 57 24.6932620   18.5 18.5 16.22   ~ 415 1
31 ICRF J135152.6-144914 AGN 13 51 52.64961047 -14 49 14.5557034     12.0     ~ 30 1
32 QSO B1354-174 QSO 13 57 06.07420483 -17 44 01.9049126   19 19 18   ~ 76 1
33 ICRF J141949.7-192825 Sy1 14 19 49.7381237939 -19 28 25.268428198   17.60 16.66 13.9   ~ 91 1
34 QSO B1421-490 QSO 14 24 32.2373 -49 13 49.744   18.5       ~ 55 1
35 PMN J1435-4821 Rad 14 35 16.8 -48 21 48           ~ 11 1
36 QSO B1445+101 QSO 14 45 16.46524525 +09 58 36.0728255   18.58 17.78     ~ 347 1
37 ICRF J150134.7-391839 AGN 15 01 34.75807184 -39 18 39.4359679           ~ 21 1
38 QSO B1519-273 BLL 15 22 37.67598872 -27 30 10.7854174   18.72 18.5 17.42   ~ 252 1
39 QSO B1524-136 QSO 15 26 59.4419587641 -13 51 00.249268278     20.5     ~ 89 1
40 PKS 1540-077 rG 15 43 01.68756006 -07 57 06.6299321   18       ~ 30 1
41 ICRF J154609.5+002624 Bla 15 46 09.53145924 +00 26 24.6139961   19.730 18.900 19.5   ~ 71 1
42 QSO B1549-790 QSO 15 56 58.86989203 -79 14 04.2815029   18.80 18.800 17.84   ~ 172 1
43 QSO B1619-680 QSO 16 24 18.4368008758 -68 09 12.494275044   17.05 18.0 16.40   ~ 63 1
44 QSO J1658-0739 QSO 16 58 44.06199336 -07 39 17.6939570       18.76   ~ 36 1
45 NGC 6328 QSO 17 23 41.02938963 -65 00 36.6113150   13.17 13.2 11.45 12.2 ~ 197 1
46 3XMM J172657.7-642751 G 17 26 57.92 -64 27 54.8           ~ 12 0
47 QSO B1741-038 QSO 17 43 58.85613396 -03 50 04.6166450     18.5 17.98   ~ 465 1
48 ICRF J174425.4-514443 AGN 17 44 25.45077 -51 44 43.7930     20.2     ~ 71 1
49 4C 09.57 BLL 17 51 32.81857318 +09 39 00.7284829   17.46 16.78 15.57   ~ 785 1
50 QSO B1830-211 QSO 18 33 39.92 -21 03 39.9     18.70 21   ~ 537 6
51 QSO B1831-711 QSO 18 37 28.7147880604 -71 08 43.550532788   17.89 17.5 16.66   ~ 80 1
52 ICRF J193925.0-634245 Sy2 19 39 25.02671 -63 42 45.6255   18.87 18.37 17.64   ~ 922 1
53 QSO B1935-692 QSO 19 40 25.5273425126 -69 07 56.972951491   18.36 18.8     ~ 99 1
54 QSO B1954-388 QSO 19 57 59.81927470 -38 45 06.3557585   18.47 17.07 16.73   ~ 177 1
55 QSO B2000-330 QSO 20 03 24.1165865443 -32 51 45.138893091   18.83 18.4 17.11   ~ 240 1
56 QSO J2123+0535 QSO 21 23 44.51738 +05 35 22.0933   18.3 17.5 19.86   ~ 257 1
57 QSO B2126-15 QSO 21 29 12.17589777 -15 38 41.0413097   17.61 17.3 17.3   ~ 456 1
58 QSO B2128-123 BLL 21 31 35.26175 -12 07 04.7961   16.33 16.11 15.87   ~ 414 1
59 QSO B2134+0028 QSO 21 36 38.5862648232 +00 41 54.210724774   17.30 17.08 17.02   ~ 515 2
60 4C 06.69 QSO 21 48 05.4585565234 +06 57 38.605396596   16.85 16.47 15.06   ~ 583 1
61 QSO B2146-783 QSO 21 52 03.15457825 -78 07 06.6392494     21.2 19.58   ~ 43 0
62 QSO B2203-188B QSO 22 06 10.4191363632 -18 35 38.683779553   18.80 19.74     ~ 157 1
63 ICRF J223912.0-570100 QSO 22 39 12.07592367 -57 01 00.8393966       21.00   ~ 38 0
64 IC 1459 GiP 22 57 10.60677155 -36 27 43.9953697   10.96 11.85 9.34 10.3 ~ 555 2
65 ICRF J225805.9-275821 Sy1 22 58 05.96288481 -27 58 21.2567425   17.34 16.77 17.20   ~ 279 1
66 QSO B2333-528 Bz? 23 36 12.14451 -52 36 21.9504   18.8       ~ 65 1
67 PKS 2338-58 Rad 23 41 18.3 -58 16 11           ~ 13 1
68 QSO J2358-1020 QSO 23 58 10.88240761 -10 20 08.6113211   19.16 18.91 18.00   ~ 109 0

    Equat.    Gal    SGal    Ecl

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2019.11.20-09:09:41

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