1997A&A...328...78S

Query : 1997A&A...328...78S

1997A&A...328...78S - Astronomy and Astrophysics, volume 328, 78-82 (1997/12-1)

Nuclear radio emission in megaparsec-size radio galaxies.

SARIPALLI L., PATNAIK A.R., PORCAS R.W. and GRAHAM D.A.

Abstract (from CDS):

We present high resolution radio observations of the nuclear radio emission in a sample of eight radio galaxies having Megaparsec sizes, using the European VLBI network at 18 cm. At a resolution of 25 mas we detect all the giant radio galaxies from our sample. Among them DA 240 and 1331-099 were imaged for an extended period. These observations reveal a twin-jet structure for DA 240 and one-sided core-jet morphology in 1331-099. The implications of our results in the context of the unification of quasars and powerful radio galaxies are discussed. Our results are consistent with the suggestion that powerful radio galaxies are the unbeamed counterparts of quasars.

Abstract Copyright: ∼

Journal keyword(s): galaxies: jets - galaxies: nuclei - radio continuum: galaxies - galaxies: individual: DA 240, 1331-099 (GRA 1331-10)

CDS comments: radiogalaxy 1331-099 = PGC 47815

Simbad objects: 15

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Number of rows : 15
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 NGC 315 LIN 00 57 48.88334410 +30 21 08.8119345 12.80 12.20 11.16 11.26   ~ 787 2
2 4C 39.04 rG 01 39 30.454 +39 57 02.82     18     ~ 47 2
3 3C 130 rG 04 52 52.8370360032 +52 04 47.201456604   16.5       ~ 91 1
4 4C 56.16 rG 07 49 48.1 +55 54 19           ~ 172 1
5 4C 73.08 Sy2 09 49 45.967 +73 14 23.25   16.00   11.7   ~ 120 1
6 ICRF J100601.7+345410 Sy2 10 06 01.75023017 +34 54 10.4016113   15.97       ~ 450 2
7 OHIO L 550 rG 10 33.2 +56 45           ~ 18 0
8 ICRF J124733.3+672316 Sy2 12 47 33.32959326 +67 23 16.4488689           ~ 87 1
9 PKS 1331-098 rG 13 33 54.7 -10 07 51           ~ 19 0
10 2MASX J13341855-1009292 AGN 13 34 18.5688363672 -10 09 29.037285468   16.14       ~ 6 0
11 2MASX J15520913+2005477 G 15 52 09.1120432368 +20 05 48.211598760   17.87 17.08     ~ 139 1
12 2MASX J15520920+2005237 rG 15 52 09.1938375312 +20 05 23.180614152   17.87 17.08     ~ 126 2
13 3C 326 Rad 15 52 24.9 +20 05 57   17.87 17.08     ~ 219 3
14 NGC 6251 Sy2 16 32 31.96989253 +82 32 16.3999044 15.24 14.66 12.89 7.62   ~ 727 0
15 ICRF J204237.3+750802 Sy1 20 42 37.3079247456 +75 08 02.445851940     14.46 13.80   ~ 257 0

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