2008A&A...487..865R

Query : 2008A&A...487..865R

2008A&A...487..865R - Astronomy and Astrophysics, volume 487865-883 (2008/9-1)

The B3-VLA CSS sample. VII. WSRT polarisation observations and the ambient Faraday medium properties revisited.

ROSSETTI A., DALLACASA D., FANTI C., FANTI R. and MACK K.-H.

Abstract (from CDS):

We present new polarisation observations at 13 cm, acquired using the Westerbork Synthesis Radio Telescope (WSRT), of 65 sources, from the B3-VLA sample of Compact Steep-Spectrum sources. These new data are combined with our VLA polarisation data, at 3.6, 6 and, 21 cm, presented in a previous paper. Due to the multi-channel frequency capabilities of the WSRT, these new 13 cm observations enable a more reliable determination of integrated Rotation Measures, and of depolarisation behaviour with wavelength. The new data are inconsistent with the depolarisation models that we used earlier, and we propose an alternative model which seems to work properly. We also revise our previous model for the external Faraday screen, and its dependence on the source redshift.

Abstract Copyright: ∼

Journal keyword(s): polarization - radio continuum: galaxies - galaxies: quasars: general - ISM: magnetic fields

CDS comments: Appendix A., Table A.1 B3 1044+404A is a probable misprint, maybe for B3 1044+402.

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 - 2026 		#notes
1 4C 40.52 rG 00 00 53.08106320 +40 54 01.8096518     21.4     ~ 52 1
2 4C 44.02 rG 00 36 53.5794 +44 43 21.620           ~ 17 1
3 B2.3 0039+37 A rG 00 42 07.1994 +37 39 37.760           ~ 13 1
4 4C 39.03 Rad 00 42 17.4288 +40 09 48.522           ~ 25 1
5 87GB 003934.6+411250 AG? 00 42 18.684 +41 29 26.77           ~ 21 1
6 4C 42.03 Rad 00 44 39.2 +42 48 01           ~ 15 1
7 4C 37.03 rG 00 52 16.9 +38 15 30   18       ~ 17 1
8 6C 011026+401028 QSO 01 13 17.7623461488 +40 26 12.627035268   20.0       ~ 26 1
9 4C 40.06 rG 01 23 26.1156 +40 46 58.909           ~ 20 1
10 NVSS J012559+402836 rG 01 25 59.1391 +40 28 36.452           ~ 12 1
11 NVSS J013129+394257 rG 01 31 29.551 +39 42 58.01           ~ 15 1
12 6C 013735+400911 QSO 01 40 33.7548099360 +40 24 13.894124580   18.5       ~ 20 1
13 87GB 014453.1+431717 QSO 01 47 55.6214981184 +43 32 15.294840432           ~ 12 1
14 NVSS J015019+401730 Rad 01 50 19.5993 +40 17 30.173           ~ 15 1
15 4C 41.03 rG 02 16 30.333 +41 31 50.66           ~ 18 1
16 NVSS J022532+422941 rG 02 25 32.1178 +42 29 42.069           ~ 10 1
17 NVSS J023138+410953 Rad 02 31 38.7473 +41 09 52.780           ~ 12 1
18 4C 40.10 rG 02 57 50.3 +40 50 33           ~ 15 1
19 4C 46.07 QSO 02 58 30.2477542392 +46 16 05.760607620   21.0       ~ 20 1
20 ICRF J054236.1+495107 Sy1 05 42 36.13789710 +49 51 07.2337139   18.45 17.80 17.210   ~ 1573 1
21 7C 070105.09+391554.00 QSO 07 04 31.3272603648 +39 11 23.360779860   18.7 18.7     ~ 23 1
22 4C 39.17 AG? 07 25 50.0103 +39 17 25.563   19.1       ~ 28 1
23 4C 46.16 QSO 07 47 43.5236 +46 18 57.384           ~ 34 1
24 NVSS J075219+411551 Rad 07 52 19.8793 +41 15 53.201           ~ 12 1
25 4C 39.21 rG 07 58 08.8521 +39 29 27.705           ~ 27 1
26 4C 47.27 Sy1 08 04 13.8817034712 +47 04 42.876898140   20.64 20.34     ~ 52 2
27 4C 40.19 QSO 08 09 03.1418582400 +40 32 56.175467388   21.0       ~ 22 1
28 4C 40.20 Sy2 08 12 53.1122362128 +40 18 59.880992436   21.23 20.31     ~ 70 1
29 4C 46.17 rG 08 14 30.2674 +45 56 39.426   19.3       ~ 28 1
30 NVSS J081735+435934 rG 08 17 35.4877 +43 59 34.449           ~ 14 1
31 4C 39.23B rG 08 25 23.6790 +39 19 45.707   17.0       ~ 46 1
32 ICRF J084331.6+421529 G 08 43 31.63747041 +42 15 29.5243582           ~ 38 1
33 6C 090206+414045 Q? 09 05 22.1891 +41 28 39.559   19.5       ~ 17 1
34 NVSS J093306+384150 rG 09 33 06.9294 +38 41 48.173           ~ 32 1
35 6C 095107+421525 QSO 09 54 12.5744244120 +42 01 09.187351572   21.51 21.00     ~ 29 1
36 NVSS J095844+384821 rG 09 58 44.269 +38 48 21.72           ~ 16 1
37 6C 100723+421413 G 10 10 24.7808 +41 59 33.022           ~ 14 1
38 4C 39.32 AGN 10 28 44.2728990384 +38 44 36.859285032 22.66 18.4 18.27     ~ 51 1
39 NVSS J103016+385754 rG 10 30 16.5664 +38 57 53.823           ~ 14 1
40 NVSS J104206+421032 Rad 10 42 06.2105 +42 10 30.535           ~ 15 1
41 6C 105511+402617 Q? 10 58 00.4065 +40 10 18.971           ~ 12 1
42 6C 112856+453123 QSO 11 31 38.88881 +45 14 51.2180 22.91 20.0 19.54     ~ 33 1
43 4C 42.33 rG 11 38 59.1566 +41 48 39.243           ~ 16 1
44 NVSS J120406+391218 rG 12 04 06.8559 +39 12 17.655 24.57 19.5 19.68     ~ 36 1
45 4C 40.30 rG 12 07 06.2639 +39 54 39.369           ~ 20 1
46 NVSS J121836+400045 rG 12 18 36.956 +40 00 45.67           ~ 13 1
47 4C 40.31 rG 12 22 35.3017 +40 36 19.833           ~ 18 1
48 7C 122515.59+441716.00 Sy2 12 27 41.9944552429 +44 00 41.926757263           ~ 22 1
49 NVSS J123535+413707 rG 12 35 35.7115 +41 37 07.054           ~ 23 1
50 6C 124156+410806 BLL 12 44 19.9682592720 +40 51 36.652030020     19.43     ~ 40 1
51 ICRF J124449.1+404806 Sy1 12 44 49.1889 +40 48 06.150   19.0 19.0     ~ 87 1
52 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
53 6C 134059+435829 Q? 13 43 05.9232 +43 43 23.318           ~ 13 1
54 4C 38.37 QSO 13 45 36.9420854112 +38 23 12.500014308     18.5     ~ 97 1
55 4C 43.31 rG 13 52 28.5862 +42 59 24.055           ~ 25 1
56 NVSS J143427+423620 rG 14 34 27.8639 +42 36 20.058           ~ 18 1
57 NVSS J144259+404429 rG 14 42 59.355 +40 44 28.72           ~ 17 1
58 4C 41.29 Rad 14 51 07.2856 +41 54 41.806           ~ 17 1
59 NVSS J150029+430951 rG 15 00 29.990 +43 09 51.54           ~ 15 1
60 ICRF J160913.3+264129 Sy2 16 09 13.3196 +26 41 29.042   19       ~ 249 1
61 4C 44.42 rG 23 03 45.3333 +44 39 06.103           ~ 11 1
62 4C 40.48 Rad 23 04 54.6202 +40 28 53.837           ~ 16 1
63 NVSS J230701+380241 rG 23 07 00.99489679 +38 02 42.2332861   19.5       ~ 33 1
64 2MASS J23134816+4712149 Sy1 23 13 48.1687273848 +47 12 14.957305200   17.5 18.0     ~ 52 1
65 NVSS J232448+404022 Rad 23 24 48.6 +40 40 22           ~ 9 1
66 NVSS J233252+403037 Rad 23 32 52.9222 +40 30 37.216           ~ 11 1
67 4C 45.50 rG 23 51 27.8767 +45 18 30.628           ~ 13 1
68 4C 41.46 QSO 23 51 52.8774442920 +41 21 14.818610988   19.2       ~ 21 1

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