1999A&AS..134..201H

Query : 1999A&AS..134..201H

1999A&AS..134..201H - Astron. Astrophys., Suppl. Ser., 134, 201-210 (1999/January-2)

VLBI observations of 21 extragalactic radio sources. Search for superluminal sources in the mid-southern hemisphere.

HONG X.Y., VENTURI T., WAN T.S., JIANG D.R., SHEN Z.-Q., LIU X., NICOLSON G. and UMANA G.

Abstract (from CDS):

We present the results of VLBI observations of 21 extragalactic radio sources carried out with an ad-hoc VLBI array including Shanghai, Urumqi, Noto, and Hartebeesthoek radio telescopes. Eleven sources are imaged, three of them for the first time with VLBI. Correlated flux densities of the remaining ten sources are given. From comparison with data taken at earlier epochs, the apparent superluminal motion is confirmed in four sources (0420-014, 0552+398, 1334-127 and 2345-167) and two more superluminal candidates (1504-166 and 2243-123) are found. The physical parameters of the four superluminal sources are derived.

Abstract Copyright: ∼

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

Nomenclature: Table 3: [HVW99] HHMM+DDd N N=23.

Simbad objects: 21

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Number of rows : 21
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 QSO B0008-264 BLL 00 11 01.24673726 -26 12 33.3771340   19.53   19.64   ~ 86 1
2 QSO B0108-079 Bla 01 10 50.02099245 -07 41 41.1141166   19.0 19.0 19.21   ~ 64 1
3 QSO B0256+075 Bla 02 59 27.07662321 +07 47 39.6429924   18 18 16.9   ~ 210 1
4 QSO B0338-214 BLL 03 40 35.60785848 -21 19 31.1721373   16.04 17.1 17.07   ~ 182 1
5 QSO B0420-0127 Bla 04 23 15.80072217 -01 20 33.0656073   17.50 17.00 16.28   ~ 1263 3
6 QSO B0528-2505 Bla 05 30 07.9627395840 -25 03 29.900044512   18.17 17.34 17.7   ~ 429 1
7 7C 055201.39+394824.00 Bla 05 55 30.80561419 +39 48 49.1649683     18.30 17.5   ~ 527 2
8 QSO B0922+005 BLL 09 25 07.8152746656 +00 19 13.934447508   17.77 17.55     ~ 128 1
9 4C 23.24 Bla 10 14 47.06546648 +23 01 16.5707383   17.85 17.78 16.22   ~ 229 1
10 QSO B1034-293 Bla 10 37 16.07974265 -29 34 02.8134977   16.46 16.46 17.54   ~ 358 1
11 QSO B1334-127 Bla 13 37 39.78278132 -12 57 24.6933925   18.5 19.00 16.22   ~ 540 1
12 QSO B1430-178 Bla 14 32 57.69062795 -18 01 35.2488081   17.8 19.5 18.4   ~ 95 1
13 QSO B1504-167 Bla 15 07 04.78696269 -16 52 30.2671543   18.40 18.50 17.00   ~ 237 1
14 QSO B1532+016 Bla 15 34 52.45368345 +01 31 04.2065145   19.0 18.5 18.58   ~ 223 2
15 QSO B1730-130 Bla 17 33 02.70578907 -13 04 49.5482119   18 19.50 18.78 17.39 ~ 1198 1
16 4C -02.81 BLL 21 34 10.30958988 -01 53 17.2389056   18.6 19.00 18.87   ~ 431 1
17 QSO J2246-1206 Bla 22 46 18.23197022 -12 06 51.2775983   16.63 16.45 15.99   ~ 293 1
18 QSO B2320-035 Bla 23 23 31.95375055 -03 17 05.0238540   18.6   18.16   ~ 229 2
19 QSO B2325-150 Bla 23 27 47.96426891 -14 47 55.7511114   19 19.0 18.8   ~ 65 1
20 QSO B2345-167 Bla 23 48 02.60851466 -16 31 12.0222546   18.00 18.41 16.86   ~ 432 1
21 QSO J2354-1513 Bla 23 54 30.19517134 -15 13 11.2129982   18.49 17 18.88   ~ 128 1

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