2002A&A...385..768X


Query : 2002A&A...385..768X

2002A&A...385..768X - Astronomy and Astrophysics, volume 385, 768-777 (2002/4-3)

EVN observations of candidate Compact Symmetric Objects.

XIANG L., STANGHELLINI C., DALLACASA D. and HAIYAN Z.

Abstract (from CDS):

We present pc-scale images of ten Compact Symmetric Objects (CSO) candidates observed with the European VLBI network (EVN). Five radio sources have been observed at 1.6GHz, and five more at 2.3/8.4GHz, the latter subsample with the inclusion in the VLBI array of 3 antennae normally used for geodesy. These objects were selected from existing samples of GHz Peaked Spectrum (GPS) radio sources with the purpose to find and/or confirm the CSO classification. These new VLBI observations allow us to confirm the classification of two CSO candidates, and to find a few new ones. The association of GPS radio galaxies with a CSO morphology is strengthened by our findings, and this result suggests an efficient way to increase the number of known CSOs by means of VLBI observations of compact radio galaxies showing a convex radio spectrum.

Abstract Copyright:

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

Nomenclature: Table 2, FigS 3-9: [XSD2002] HHMM+DDd A, [XSD2002] HHMM+DDd W, n=16.

Simbad objects: 17

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Number of rows : 17
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 4C 58.26 Bz? 13 35 25.9285191 +58 44 00.291595       21.91   ~ 49 1
2 [SOB97] 1345+125B Rad 13 47 +12.3           ~ 3 0
3 [SOB97] 1345+125E Rad 13 47 +12.3           ~ 3 0
4 [SOB97] 1345+125D Rad 13 47 +12.3           ~ 3 0
5 [SOB97] 1345+125C Rad 13 47 +12.3           ~ 3 0
6 [SOB97] 1345+125A Rad 13 47 +12.3           ~ 3 0
7 ICRF J134733.3+121724 Sy2 13 47 33.36161542 +12 17 24.2402572   19.28 18.44 15.718   ~ 540 3
8 QSO B1404+286 BLL 14 07 00.3933203928 +28 27 14.695133019   16.13 15.35 10.29   ~ 702 2
9 QSO J1430+1043 QSO 14 30 09.7387961 +10 43 26.862336     18.5 18.67   ~ 81 1
10 ICRF J151141.2+051809 Sy1 15 11 41.2664270 +05 18 09.259581   18.49 17.80 13.95   ~ 94 0
11 ICRF J152114.4+043021 AGN 15 21 14.4184382 +04 30 21.638316   18.2       ~ 94 1
12 QSO J1526+6650 QSO 15 26 42.8755263333 +66 50 54.641671782   18.26 17.87 17.24   ~ 50 0
13 QSO J1606+3124 QSO 16 06 08.5183910 +31 24 46.457906       22.56   ~ 37 0
14 ICRF J173549.0+504911 Bz? 17 35 49.00517 +50 49 11.5659       22.40   ~ 45 1
15 87GB 175104.0+275120 G 17 53 01.34610 +27 50 59.0160           ~ 20 1
16 [KHS2000] OQ 208 SW PoG ~ ~           ~ 2 0
17 [KHS2000] OQ 208 NE PoG ~ ~           ~ 2 0

    Equat.    Gal    SGal    Ecl

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2021.07.27-07:16:36

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