2003A&A...406..579K

Query : 2003A&A...406..579K

2003A&A...406..579K - Astronomy and Astrophysics, volume 406579-592 (2003/8-1)

Multi-frequency study of the B3-VLA sample. III. Polarisation properties.

KLEIN U., MACK K.-H., GREGORINI L. and VIGOTTI M.

Abstract (from CDS):

This paper is the third of a series, and presents the results of the linear polarisation of the B3-VLA sample, at 1.4, 2.7, 4.8 and 10.5GHz. We find that flat-spectrum sources are significantly less polarised than the steep ones at 10.5 GHz. A trend is seen for sources with larger linear size to be more strongly polarised. Compact steep-spectrum sources (CSSs) exhibit much stronger depolarisation than non-CSSs. Flat-spectrum sources are characterized by almost constant, and low, degrees of polarisation over the whole wavelength range studied here. We add 143 new Rotation Measures to the available database published by Wielebinski & Krause (1993A&ARv...4..449W). An important result is that the decrease of the degree of polarisation is almost linear with wavelength and does not drop to zero at lower frequencies. This behaviour cannot be fitted by any existing model of external depolarisation or intrinsic Faraday dispersion. We consider an intrinsic process producing the observed depolarisation, involving three source components with different emissivities and Faraday depths, while the Faraday rotation must arise from a foreground screen, most likely Galactic in origin.

Abstract Copyright: ∼

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

VizieR on-line data: <Available at CDS (J/A+A/406/579): table3.dat table4.dat>

Simbad objects: 192

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Number of rows : 192
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 4C 40.52 rG 00 00 53.08106320 +40 54 01.8096518     21.4     ~ 52 1
2 ICRF J001331.1+405137 Sy1 00 13 31.13019909 +40 51 37.1441374   17.9 17.9     ~ 130 1
3 6C 001323+384340 QSO 00 16 00.0280612584 +39 00 26.928049824   18.6       ~ 14 1
4 NVSS J002503+394555 Rad 00 25 03.96 +39 45 55.0           ~ 5 1
5 7C 002246.60+390303.00 QSO 00 25 26.15770195 +39 19 35.4388721   18.4 19.8     ~ 54 1
6 NVSS J003235+394215 Rad 00 32 35.543 +39 42 16.22           ~ 9 1
7 4C 42.01 QSO 00 35 06.0619551120 +42 38 20.500051200     18.30     ~ 40 1
8 NVSS J004349+383010 Rad 00 43 49.40 +38 30 09.9           ~ 8 1
9 NVSS J004358+393756 Rad 00 43 58.222 +39 37 56.88           ~ 7 1
10 NVSS J004445+385659 Rad 00 44 45.28 +38 57 00.1           ~ 6 1
11 NVSS J004843+404458 Rad 00 48 44.12 +40 45 03.7           ~ 8 1
12 4C 40.04 Rad 00 54 27.337 +40 42 12.43           ~ 13 1
13 NVSS J005540+394817 Rad 00 55 40.56 +39 48 16.1           ~ 5 1
14 NVSS J010005+394935 Rad 01 00 05.31 +39 49 35.4           ~ 6 1
15 4C 46.02 Rad 01 02 46.711 +46 24 36.81           ~ 10 1
16 NVSS J010810+442501 Rad 01 08 10.197 +44 25 02.86           ~ 7 1
17 4C 41.01 Rad 01 12 19.516 +41 55 08.03           ~ 13 1
18 6C 011026+401028 QSO 01 13 17.7623461488 +40 26 12.627035268   20.0       ~ 26 1
19 4C 40.05 Rad 01 16 24.508 +40 17 24.05           ~ 14 1
20 3C 36 rG 01 17 59.483 +45 36 21.77   20       ~ 47 1
21 NVSS J011922+440742 rG 01 19 22.8463137000 +44 07 41.951274060           ~ 7 1
22 NVSS J013129+394257 rG 01 31 29.551 +39 42 58.01           ~ 15 1
23 4C 38.05B Rad 01 33 43.131 +38 22 59.64           ~ 11 1
24 NVSS J013638+382605 Rad 01 36 39.004 +38 26 05.85           ~ 7 1
25 6C 013913+385744 QSO 01 42 09.8315758152 +39 12 40.291607160   20.8       ~ 12 1
26 NVSS J015208+400433 rG 01 52 08.3993436096 +40 04 33.868612560           ~ 10 1
27 3C 54.0 rG 01 55 30.164 +43 45 55.44   22.0       ~ 91 1
28 4C 41.02 QSO 01 56 21.278 +42 02 24.51   19.5       ~ 16 1
29 4C 44.05 QSO 02 00 38.9006065512 +44 27 14.550074100   19.0       ~ 22 1
30 NVSS J020438+395519 Rad 02 04 38.24 +39 55 18.9           ~ 5 1
31 NVSS J020551+381450 rG 02 05 51.146 +38 14 48.06           ~ 7 1
32 NVSS J021612+393056 rG 02 16 13.12 +39 30 56.5           ~ 7 1
33 4C 41.03 rG 02 16 30.333 +41 31 50.66           ~ 18 1
34 4C 42.06 Rad 02 19 08.526 +42 32 58.09           ~ 13 1
35 4C 39.06B Rad 02 21 48.819 +39 55 25.73           ~ 22 1
36 3C 66A BLL 02 22 39.6114771888 +43 02 07.799534304   15.71 15.21 14.5   ~ 942 2
37 NVSS J022334+393603 rG 02 23 34.3374576480 +39 36 04.265462664           ~ 8 1
38 3C 65 rG 02 23 43.190 +40 00 52.46   23.0       ~ 185 1
39 NVSS J022758+394951 Rad 02 27 58.85 +39 49 52.4           ~ 5 1
40 NVSS J024618+441143 Rad 02 46 18.755 +44 11 43.46           ~ 7 1
41 NVSS J024933+392914 Rad 02 49 33.04 +39 29 15.8           ~ 8 1
42 NVSS J025110+404212 Rad 02 51 10.56 +40 42 13.0           ~ 8 1
43 4C 38.08 Rad 02 53 51.803 +38 41 38.94           ~ 5 1
44 [VV96] J025442.6+393134 Bla 02 54 42.6319794672 +39 31 34.711675284     16.30 16.91   ~ 73 2
45 NVSS J030133+443027 Rad 03 01 33.666 +44 30 26.44           ~ 7 1
46 NVSS J071039+375918 Rad 07 10 39.760 +37 59 17.82           ~ 6 1
47 4C 45.13 Rad 07 14 29.862 +45 40 10.84           ~ 15 1
48 NVSS J072653+393948 rG 07 26 53.94600 +39 39 48.9528           ~ 8 1
49 NVSS J074006+395451 rG 07 40 06.279 +39 54 50.41           ~ 7 1
50 6C 073913+395304 Bla 07 42 37.3879804560 +39 44 35.635294644   20.70 20.40 20   ~ 52 1
51 [VV96] J074309.8+394131 QSO 07 43 09.88654823 +39 41 30.7804635   18.77 18.59     ~ 55 1
52 NVSS J074602+391652 Rad 07 46 02.590 +39 16 52.81           ~ 7 1
53 NVSS J074716+390953 Rad 07 47 16.371 +39 09 49.81           ~ 6 1
54 NVSS J075427+390810 Rad 07 54 27.286 +39 08 10.79           ~ 7 1
55 4C 39.21 rG 07 58 08.8521 +39 29 27.705           ~ 27 1
56 4C 37.21B Rad 07 59 47.196 +37 38 49.79     15.2     ~ 33 1
57 4C 47.27 Sy1 08 04 13.8817034712 +47 04 42.876898140   20.64 20.34     ~ 52 2
58 4C 40.19 QSO 08 09 03.1418582400 +40 32 56.175467388   21.0       ~ 22 1
59 3C 194.0 QSO 08 10 03.3449360136 +42 28 03.220633740   24       ~ 106 1
60 4C 40.20 Sy2 08 12 53.1122362128 +40 18 59.880992436   21.23 20.31     ~ 70 1
61 4C 38.23 rG 08 15 12.3407748720 +38 40 45.364671372   18.5       ~ 39 1
62 7C 081451.89+423206.00 BLL 08 18 15.99961476 +42 22 45.4148987   18.88 18.18 17.81   ~ 429 1
63 3C 197.1 BLL 08 21 33.6000545232 +47 02 37.303572516   18.08 17.33     ~ 142 1
64 3C 199 Q? 08 23 27.504 +42 56 56.93   19.5       ~ 18 1
65 4C 39.23A Bla 08 24 55.48385834 +39 16 41.9040476   18.55 18.21 17.20   ~ 238 1
66 4C 44.17 QSO 08 25 17.6140501296 +44 36 26.878978980   19.02 18.70     ~ 72 1
67 4C 37.24 QSO 08 31 10.0180098720 +37 42 09.574152228   19.25 18.95     ~ 106 1
68 ICRF J083956.5+422755 Sy1 08 39 56.56132853 +42 27 55.8149444   19.72 19.56     ~ 57 1
69 6C 084115+384151 QSO 08 44 29.09781991 +38 30 55.7101823           ~ 34 1
70 6C 084138+401902 Q? 08 44 55.459 +40 08 13.81   19.5       ~ 10 1
71 US 1843 QSO 08 52 34.2199771560 +42 15 27.112724244   19.52 19.25     ~ 33 1
72 NVSS J085239+391906 Rad 08 52 38.98 +39 19 06.0           ~ 6 1
73 NVSS J085555+381331 Rad 08 55 55.19 +38 13 32.2           ~ 7 1
74 6C 0854+3957 Sy2 08 57 43.54608 +39 45 28.7712   20.6       ~ 36 1
75 6C 0857+3907 QSO 09 00 53.7599900976 +38 56 15.646891092   20.8   18.09   ~ 37 1
76 4C 45.18 Rad 09 02 15.849 +45 00 53.30           ~ 10 1
77 6C 085940+470301 Bla 09 03 03.99010563 +46 51 04.1374172   19.90 19.44 18.7   ~ 285 1
78 4C 42.28 QSO 09 04 15.62846918 +42 38 04.7653533   19.9 19.9     ~ 87 1
79 4C 41.19 Rad 09 07 34.149 +41 34 49.19           ~ 23 2
80 3C 217 Rad 09 08 50.958 +37 48 18.28   22       ~ 128 1
81 3C 216.0 Bla 09 09 33.49714902 +42 53 46.4821036   19.98 19.42 18.220   ~ 520 1
82 NVSS J091002+380616 Rad 09 10 02.885 +38 06 18.26           ~ 7 1
83 6C 090743+381207 QSO 09 10 54.1842950808 +37 59 14.985174048   17.92 17.73     ~ 63 1
84 NVSS J091438+392240 Rad 09 14 38.482 +39 22 39.89           ~ 6 1
85 B3 0911+418 rG 09 14 45.699 +41 37 06.48           ~ 10 1
86 NVSS J091647+381807 rG 09 16 47.7571646064 +38 18 05.833769940           ~ 49 1
87 4C 38.28 Bla 09 16 48.90457434 +38 54 28.1463634   19.92 19.38 18.77   ~ 159 1
88 4C 38.29 QSO 09 21 46.5164702640 +37 54 08.703707004   18.8 18.8     ~ 44 1
89 NVSS J092215+375403 rG 09 22 15.303 +37 53 59.82           ~ 21 1
90 6C 092247+421642 QSO 09 25 59.2961288976 +42 03 37.518555384   19.26 18.85     ~ 35 1
91 6C 092250+404258 Bla 09 26 00.42686192 +40 29 49.6725279   20.55 20.38 19.78   ~ 59 1
92 4C 39.25 Bla 09 27 03.01394144 +39 02 20.8518067   17.17 17.00 16.486   ~ 1036 1
93 4C 40.23 rG 09 39 20.351 +40 16 50.64   18.5 18.5     ~ 18 1
94 4C 39.27 QSO 09 41 04.0018191264 +38 53 50.928526860   18.20 18.13     ~ 113 1
95 4C 40.24 Bla 09 48 55.33815103 +40 39 44.5869471   18.31 18.02 17.85   ~ 379 1
96 6C 095107+421525 QSO 09 54 12.5744244120 +42 01 09.187351572   21.51 21.00     ~ 29 1
97 NVSS J095830+374715 Rad 09 58 30.792 +37 47 15.57           ~ 6 1
98 NVSS J095844+384821 rG 09 58 44.269 +38 48 21.72           ~ 16 1
99 4C 44.19 Rad 10 07 19.273 +44 25 08.48           ~ 15 1
100 7C 100725.89+414711.00 Sy1 10 10 27.5274498072 +41 32 39.053861232   16.72 16.67     ~ 187 1
101 7C 101416.50+391624.00 QSO 10 17 14.10808 +39 01 23.8294   22.83 20.64     ~ 58 1
102 4C 39.31 rG 10 22 55.244 +39 08 49.00   22.7       ~ 44 1
103 4C 40.25 Bla 10 23 11.56566843 +39 48 15.3853581   17.5 17.5 17.18   ~ 182 1
104 4C 43.19 Rad 10 25 29.648 +42 57 39.23           ~ 16 1
105 4C 46.21 QSO 10 27 14.839 +46 02 56.84           ~ 23 1
106 4C 39.32 AGN 10 28 44.2728990384 +38 44 36.859285032 22.66 18.4 18.27     ~ 51 1
107 7C 1030+4131 Bla 10 33 03.70787172 +41 16 06.2329333   20.01 19.64 19.97   ~ 234 1
108 4C 40.26 Rad 10 37 13.111 +40 11 37.40           ~ 12 1
109 NVSS J104733+450852 rG 10 47 33.7345 +45 08 52.523           ~ 18 1
110 NVSS J105612+380852 Rad 10 56 12.458 +38 08 52.05           ~ 7 1
111 NVSS J105648+391127 Rad 10 56 47.945 +39 11 33.34           ~ 6 1
112 3C 247 QSO 10 58 58.34046 +43 01 21.1619   21.5       ~ 160 1
113 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
114 NVSS J110608+390604 rG 11 06 08.21136 +39 06 03.8340           ~ 9 1
115 4C 39.34 QSO 11 08 37.6606539552 +38 58 42.205665180   18.5 18.5     ~ 51 1
116 4C 37.29A rG 11 09 28.8583 +37 44 31.092     23.7     ~ 55 1
117 4C 37.29B rG 11 09 49.85 +37 38 29.4   18.50       ~ 47 1
118 NVSS J111119+394013 Rad 11 11 19.751 +39 40 14.29   20.8       ~ 21 1
119 4C 43.21 QSO 11 12 39.3926030640 +43 25 46.720895376   19.29 19.16     ~ 55 1
120 3C 254 QSO 11 14 38.7251836992 +40 37 20.329281156   17.62 17.42     ~ 331 2
121 NVSS J111520+431438 Rad 11 15 20.735 +43 14 38.58           ~ 7 1
122 NGC 3665 GiG 11 24 43.630 +38 45 46.05 13.71 13.26 11.62     ~ 364 1
123 7C 112812.59+383153.00 Bla 11 30 53.28261620 +38 15 18.5469361   19.11 18.80 19.42   ~ 233 1
124 6C 113133+390800 Sy1 11 34 13.2781021123 +38 51 17.098690913   20.88 20.62     ~ 23 1
125 4C 43.22 rG 11 34 38.47647 +43 28 00.3057   20.0       ~ 26 1
126 4C 46.23 QSO 11 43 39.600 +46 21 20.44   14.9       ~ 64 0
127 NVSS J114348+385841 rG 11 43 48.72000 +38 58 41.1420           ~ 8 1
128 6C 1148+3842 QSO 11 51 29.3612242776 +38 25 52.374506052   17.22 17.04     ~ 135 2
129 6C 115118+405352 Bla 11 53 54.65896512 +40 36 52.6193857   19.68 19.36 20.2   ~ 101 1
130 NVSS J115401+380507 rG 11 54 01.25840 +38 05 05.2011           ~ 6 0
131 7C 115144.89+454011.00 Sy1 11 54 20.7259126848 +45 23 29.492227428   18.48 17.77     ~ 23 1
132 4C 45.24 Rad 11 56 09.455 +44 50 17.48           ~ 8 1
133 ICRF J120913.6+433920 Sy1 12 09 13.6108333200 +43 39 20.916497268   18.81 18.24     ~ 248 1
134 NVSS J121227+392301 Rad 12 12 27.76 +39 23 00.2           ~ 10 1
135 4C 40.31 rG 12 22 35.3017 +40 36 19.833           ~ 18 1
136 NVSS J122322+390423 Rad 12 23 22.525 +39 04 23.95           ~ 6 1
137 3C 272 rG 12 24 28.522 +42 06 36.32   22       ~ 65 1
138 ICRF J122550.5+391422 Sy2 12 25 50.56901704 +39 14 22.6856770   19.2 20.6     ~ 43 1
139 6C 123204+412614 Sy2 12 34 30.2465513112 +41 09 34.756515108   19.83 18.88     ~ 38 1
140 NVSS J123535+413707 rG 12 35 35.7115 +41 37 07.054           ~ 23 1
141 NVSS J123651+392027 Rad 12 36 51.44641 +39 20 27.7028           ~ 16 1
142 4C 44.20 QSO 12 42 19.2480634464 +43 56 08.257704036   18.53 18.37     ~ 43 1
143 6C 124026+380741 Bla 12 42 51.36906848 +37 51 00.0252818   18.86 18.46 18.79   ~ 99 1
144 4C 45.26 QSO 12 49 23.5094456208 +44 44 50.348849712   17.2 18.48 17.4   ~ 53 1
145 4C 43.25 Rad 12 52 01.076 +42 57 42.36     15.5     ~ 13 2
146 3C 276 Rad 12 52 16.705 +47 15 37.94   20.0       ~ 25 1
147 4C 43.26 rG 12 55 43.545 +42 58 26.18           ~ 13 1
148 7C 125441.29+473632.00 SyG 12 56 57.485 +47 20 20.23   22.0       ~ 285 1
149 4C 40.32 QSO 13 00 33.3077988648 +40 09 07.675089480   19.31 19.44     ~ 162 1
150 6C 125825+393450 Q? 13 00 43.75 +39 18 57.6   18.5       ~ 7 1
151 4C 38.35 rG 13 03 44.316 +37 56 14.64   19.8       ~ 56 1
152 NVSS J131038+385700 rG 13 10 38.19825 +38 57 00.8674           ~ 7 1
153 6C 131249+391931 QSO 13 15 06.01623 +39 03 41.5250   22.12 21.68     ~ 16 1
154 4C 39.38 QSO 13 17 18.6358054464 +39 25 28.140463668   18.45 18.20     ~ 64 1
155 NVSS J131750+391519 Rad 13 17 49.894 +39 15 17.84           ~ 7 1
156 6C 131736+380309 QSO 13 19 52.41379 +37 47 25.2384   20.10 19.87     ~ 18 1
157 4C 41.25 Rad 13 23 24.086 +41 15 15.35           ~ 14 1
158 ACO 1763 ClG 13 35 20.1 +41 00 04           ~ 335 0
159 3C 288 rG 13 38 49.9 +38 51 15   18.3       ~ 176 1
160 4C 47.38 QSO 13 41 44.9004242760 +46 57 17.920117800   19.7       ~ 29 1
161 4C 43.30 Rad 13 45 32.843 +42 50 19.04           ~ 15 1
162 4C 38.37 QSO 13 45 36.9420854112 +38 23 12.500014308     18.5     ~ 97 1
163 NVSS J134952+400622 Rad 13 49 52.109 +40 06 21.46           ~ 8 1
164 6C 134907+385133 QSO 13 51 19.8446904312 +38 38 14.206835904   20.69 20.30     ~ 20 1
165 4C 39.41B Rad 13 56 15.237 +39 29 43.70           ~ 11 1
166 NVSS J141041+393437 Rad 14 10 41.34 +39 34 36.1           ~ 7 1
167 6C 141656+400023 BLL 14 18 58.8671363472 +39 46 38.871397308   21.14 20.82 20   ~ 33 1
168 6C 141743+383524 Bla 14 19 46.61376262 +38 21 48.4750288   19.88 19.66 19.25   ~ 195 1
169 NVSS J142123+393331 rG 14 21 23.569 +39 33 32.17           ~ 7 1
170 NVSS J143457+380450 Rad 14 34 57.434 +38 04 50.20     19.5     ~ 16 1
171 4C 42.38 Rad 14 36 53.441 +42 44 17.00           ~ 9 1
172 6C 143824+383256 Bla 14 40 22.33609542 +38 20 13.6164663   21.6 21.6 22.2   ~ 49 1
173 NVSS J144712+404745 rG 14 47 12.7625124264 +40 47 44.987437896           ~ 28 1
174 4C 44.24 Rad 14 48 30.8 +43 52 12           ~ 11 1
175 NVSS J145203+392554 Rad 14 52 03.829 +39 25 52.66           ~ 6 1
176 4C 42.40 rG 14 57 40.6858258272 +41 58 41.913402312           ~ 19 1
177 NVSS J230701+380241 rG 23 07 00.99489679 +38 02 42.2332861   19.5       ~ 33 1
178 NVSS J231054+402009 Rad 23 10 54.18 +40 20 09.0           ~ 6 1
179 NVSS J231609+405533 Rad 23 16 09.57 +40 55 33.3           ~ 7 1
180 ICRF J232517.8+395736 BLL 23 25 17.8701567192 +39 57 36.512873352   17.8 17.80 17.8   ~ 83 1
181 NVSS J232540+390555 Rad 23 25 40.23 +39 05 55.0           ~ 7 1
182 3C 462 Sy2 23 26 55.49186400 +40 48 07.1730720   19.9 19.9     ~ 48 1
183 NVSS J232858+423205 rG 23 28 58.330 +42 32 04.34           ~ 8 1
184 NVSS J233024+392711 rG 23 30 24.94 +39 27 12.0   24.70 23.97     ~ 56 2
185 6C 233233+384931 QSO 23 35 02.41 +39 06 09.5           ~ 7 1
186 6C 233844+390137 QSO 23 41 13.9157230056 +39 18 27.685216512   19.7       ~ 13 1
187 NVSS J234407+395354 rG 23 44 07.0817142768 +39 53 54.190969368           ~ 6 1
188 6C 234452+425417 QSO 23 47 22.8743930088 +43 10 53.217371820   17.5       ~ 27 1
189 ICRF J235248.9+394756 Bla 23 52 48.90728223 +39 47 56.2229733       21.60   ~ 29 1
190 6C 235150+453621 Bla 23 54 21.68022501 +45 53 04.2365520   20.6 20.60 19.1   ~ 252 1
191 3C 470.0 rG 23 58 35.340 +44 04 38.89   22.5       ~ 114 1
192 [VV96] J235859.8+392228 Bla 23 58 59.85517054 +39 22 28.3057319     21.20 19.2   ~ 73 1

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