2004A&A...426..463O

Query : 2004A&A...426..463O

2004A&A...426..463O - Astronomy and Astrophysics, volume 426463-470 (2004/11-1)

The B3-VLA CSS sample. V. VLBA images at 6 and 3.6 cm.

ORIENTI M., DALLACASA D., FANTI C., FANTI R., TINTI S. and STANGHELLINI C.

Abstract (from CDS):

We present the results of VLBA observations at 6 and 3.6cm for eighteen Compact Steep Spectrum radio sources (CSS) from the B3-VLA CSS sample. In most cases these VLBA images display a ``Double/Triple'' morphology, and the core is unambiguously detected in seven sources. Multifrequency images allow us to study the spectral properties of the individual source components and to constrain the spectral age. In lobe-dominated sources the radiative ages deduced from the synchrotron theory are in the range of up 5x103-years, if equipartition magnetic field is assumed. Polarized emission is detected at a few percent level for two sources only. They were the only two sources displaying polarized emission in VLA A configuration data, and this implies that beam depolarization is not effective in reducing the integrated fractional polarization for these sources.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - galaxies: nuclei - radio continuum: galaxies - galaxies: quasars: general - polarization

VizieR on-line data: <Available at CDS (J/A+A/426/463): table1.dat table2.dat tables.tex>

Nomenclature: Figs, Table 2: [ODF2004] HHMM+DDd WN, [ODF2004] HHMM+DDd C, [ODF2004] HHMM+DDd Ce, N=54.

Simbad objects: 22

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Number of rows : 22
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 B2.3 0039+37 A rG 00 42 07.1994 +37 39 37.760           ~ 13 1
3 NVSS J015019+401730 Rad 01 50 19.5993 +40 17 30.173           ~ 15 1
4 7C 055201.39+394824.00 Bla 05 55 30.80561419 +39 48 49.1649683     18.30 17.5   ~ 527 2
5 NVSS J070648+464756 rG 07 06 48.0722 +46 47 56.187   23.1       ~ 39 1
6 4C 39.23B rG 08 25 23.6790 +39 19 45.707   17.0       ~ 46 1
7 ICRF J084331.6+421529 G 08 43 31.63747041 +42 15 29.5243582           ~ 38 1
8 NVSS J101154+420433 Rad 10 11 54.1742 +42 04 33.301           ~ 13 1
9 7C 1049+3827 Sy2 10 52 11.7875 +38 11 43.913   20.9 20.9     ~ 37 1
10 NVSS J113555+425844 rG 11 35 55.9948 +42 58 44.648           ~ 33 1
11 NVSS J113934+380342 Rad 11 39 34.0053 +38 03 41.881           ~ 11 1
12 NVSS J120149+391911 rG 12 01 49.9663 +39 19 11.038           ~ 23 1
13 ICRF J124449.1+404806 Sy1 12 44 49.1889 +40 48 06.150   19.0 19.0     ~ 87 1
14 3C 279 Bla 12 56 11.16657958 -05 47 21.5251510   18.01 17.75 15.87   ~ 3205 2
15 4C 38.37 QSO 13 45 36.9420854112 +38 23 12.500014308     18.5     ~ 97 1
16 Mrk 668 BLL 14 07 00.39441712 +28 27 14.6901341   16.13 15.35 10.29   ~ 826 3
17 6C 143159+425327 QSO 14 33 56.7552712800 +42 40 13.778417208           ~ 14 1
18 NVSS J144259+404429 rG 14 42 59.355 +40 44 28.72           ~ 17 1
19 QSO B1946+708 BLL 19 45 53.51966298 +70 55 48.7285673   18.726 16.70 17.199   ~ 147 2
20 NVSS J230701+380241 rG 23 07 00.99489679 +38 02 42.2332861   19.5       ~ 33 1
21 NVSS J233252+403037 Rad 23 32 52.9222 +40 30 37.216           ~ 11 1
22 4C 45.50 rG 23 51 27.8767 +45 18 30.628           ~ 13 1

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