2000ApJ...534...90P

Query : 2000ApJ...534...90P

2000ApJ...534...90P - Astrophys. J., 534, 90-103 (2000/May-1)

The COINS sample: VLBA identifications of compact symmetric objects.

PECK A.B. and TAYLOR G.B.

Abstract (from CDS):

We present results of multifrequency polarimetric VLBA observations of 34 compact radio sources. The observations are part of a large survey undertaken to identify compact symmetric objects (CSOs) observed in the northern sky (COINS). CSOs are of particular interest in the study of the physics and evolution of active galaxies. Based on VLBI continuum surveys of ∼2000 compact radio sources, we have defined a sample of 52 CSOs and CSO candidates. In this paper we identify 18 previously known CSOs, and introduce 33 new CSO candidates. We present continuum images at several frequencies and, where possible, images of the polarized flux density and spectral index distributions for the 33 new candidates and one previously known but unconfirmed source. We find evidence to support the inclusion of 10 of these candidates into the class of CSOs. Thirteen candidates, including the previously unconfirmed source, have been ruled out. Eleven sources require further investigation. The addition of the 10 new confirmed CSOs increases the size of this class of objects by 50%.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Active - Galaxies: Quasars: General - Radio Continuum: Galaxies - Surveys

Nomenclature: Table 1: [PT2000] JHHMM+DDMM N=52. Tables 3, 5: [PT2000] JHHMM+DDMMA N=62+32.

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 52

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Number of rows : 52
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 ICRF J000053.0+405401 G 00 00 53.08106320 +40 54 01.8096518     21.4     ~ 49 1
2 GB6 B0001+4750 Rad 00 03 46.04157904 +48 07 04.1352661           ~ 15 0
3 [VV98] J002903.5+050934 QSO 00 29 03.5918457912 +05 09 34.864702740   20.0 19.0 18.6   ~ 47 1
4 ICRF J002914.2+345632 Sy2 00 29 14.24247204 +34 56 32.2470345   20.2       ~ 134 1
5 QSO B0108+388 Bla 01 11 37.31680 +39 06 28.1039     22 22.000   ~ 254 1
6 ICRF J013220.4+562040 Bz? 01 32 20.44733589 +56 20 40.3698219           ~ 19 0
7 PMN J0204+0903 Rad 02 04 34.75930 +09 03 49.2634           ~ 31 1
8 6C 020438+313741 QSO 02 07 34.98960046 +31 52 06.4637348     19.50     ~ 35 1
9 NVSS J033259+675304 Rad 03 32 59.52412 +67 53 03.8602           ~ 9 1
10 [VV2006] J040011.7+055043 Bla 04 00 11.7354177432 +05 50 43.123498872   18.5 18.5 17.52   ~ 48 1
11 ICRF J041045.6+765645 AGN 04 10 45.61079426 +76 56 45.3130641   21 22.0 21.200   ~ 158 1
12 ICRF J042423.4+144216 QSO 04 24 23.49073434 +14 42 16.6822395           ~ 21 1
13 B3 0424+414 Bz? 04 27 46.04553876 +41 33 01.0998935           ~ 28 0
14 NVSS J051812+473056 Rad 05 18 12.08986396 +47 30 55.5280225           ~ 13 0
15 NVSS J062019+210229 Rad 06 20 19.52849260 +21 02 29.5454909           ~ 22 1
16 QSO B0646+600 QSO 06 50 31.25435548 +60 01 44.5549353   18.9 18.6 19.65   ~ 117 1
17 QSO B0710+439 QSO 07 13 38.16413557 +43 49 17.2072102   20.7       ~ 244 0
18 QSO J0753+4231 QSO 07 53 03.3374580696 +42 31 30.765827964   19.16 18.43     ~ 84 1
19 [PT2000] J0754+5324 Rad 07 54 15.22 +53 56 32.4           ~ 5 0
20 QSO B0839+187 Bla 08 42 05.0940565824 +18 35 40.988568300   16.63 16.36 16.56   ~ 185 2
21 QSO B0922+005 BLL 09 25 07.8152746656 +00 19 13.934447508   17.77 17.55     ~ 122 1
22 NVSS J095447+743556 rG 09 54 47.44288561 +74 35 57.1450956       21.700   ~ 38 1
23 ICRF J103507.0+562846 Sy2 10 35 07.03998083 +56 28 46.7956247   20.2 21.244 20.200   ~ 192 1
24 6C 110414+724854 BLL 11 07 41.72254730 +72 32 36.0050388     18.9 18.4   ~ 52 1
25 ICRF J111036.3+481752 Sy2 11 10 36.3247 +48 17 52.444   21.74 20.79     ~ 67 1
26 ICRF J111120.0+195536 Sy2 11 11 20.06563417 +19 55 35.9999974   18.5 18.5     ~ 58 1
27 ICRF J114326.0+183438 G 11 43 26.06966082 +18 34 38.3598598           ~ 22 0
28 NGC 3894 SyG 11 48 50.35817663 +59 24 56.3822416   12.9   11.57   ~ 245 1
29 6C 122535+365318 QSO 12 27 58.72552577 +36 35 11.8265176   21.5 21.5     ~ 134 0
30 ICRF J124449.1+404806 Sy1 12 44 49.1889 +40 48 06.150   19.0 19.0     ~ 78 1
31 [VV2006] J131107.8+141746 QSO 13 11 07.82422420 +14 17 46.6482535   20.11 19.97 19.6   ~ 53 1
32 ICRF J131123.8+165844 G 13 11 23.8201 +16 58 44.222           ~ 18 1
33 NVSS J135740+435400 rG 13 57 40.5870 +43 53 59.772     22.708 20.951   ~ 47 1
34 ICRF J140028.6+621038 Sy2 14 00 28.64823540 +62 10 38.5885744   22.137 20.373 19.530   ~ 177 1
35 ICRF J141414.8+455448 Sy2 14 14 14.8497 +45 54 48.730           ~ 34 1
36 ICRF J141558.8+132023 Sy2 14 15 58.81751033 +13 20 23.7128587   21.055 20.000 18.461   ~ 437 1
37 ICRF J154609.5+002624 Sy2 15 46 09.53146317 +00 26 24.6145149   19.730 18.900 19.5   ~ 85 1
38 ICRF J165103.6+012923 BLL 16 51 03.66236951 +01 29 23.4581070   22.7 21.2 20.50   ~ 74 1
39 ICRF J173458.3+092658 Bla 17 34 58.37695187 +09 26 58.2616373       20.8   ~ 62 1
40 QSO B1734+063 QSO 17 37 13.72903197 +06 21 03.5722268   20.0 17.9 19.1   ~ 33 1
41 NVSS J181003+564923 Rad 18 10 03.31903128 +56 49 22.9703747           ~ 27 1
42 7C 1815+6125 BLL 18 15 36.79225624 +61 27 11.6475505   21.272   19.122   ~ 39 1
43 ICRF J181623.9+345745 Sy2 18 16 23.90102409 +34 57 45.7493697   20.342   18.459   ~ 30 1
44 ICRF J182314.1+793849 Sy2 18 23 14.10855195 +79 38 49.0018505   19.269 16.70 17.415   ~ 67 1
45 NVSS J182617+183152 Rad 18 26 17.71025756 +18 31 52.8920050           ~ 23 1
46 NVSS J184535+354116 rG 18 45 35.10883099 +35 41 16.7264948   19.830   21.900   ~ 64 0
47 ICRF J194431.5+544807 BLL 19 44 31.51155734 +54 48 07.0622434   21.732   18.591   ~ 72 1
48 QSO B1946+708 BLL 19 45 53.51966298 +70 55 48.7285673   18.726 16.70 17.199   ~ 139 2
49 ICRF J202206.6+613658 Sy2 20 22 06.68174620 +61 36 58.8047323     19.00 17.58   ~ 321 1
50 ICRF J220330.9+100742 Bz? 22 03 30.95260247 +10 07 42.5863773       21.38   ~ 40 0
51 [VV98] J224528.3+032409 Bla 22 45 28.28475081 +03 24 08.8639113   18.5 19.0 17.55   ~ 43 1
52 6C 235239+493337 BLL 23 55 09.45814429 +49 50 08.3394994   21.101   18.400   ~ 267 1

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