2012MNRAS.422.3004C

Query : 2012MNRAS.422.3004C

2012MNRAS.422.3004C - Mon. Not. R. Astron. Soc., 422, 3004-3009 (2012/June-1)

Group of galaxies around the giant radio galaxy 4C 73.08.

CHEN R., PENG B., STROM R.G. and WEI J.

Abstract (from CDS):

The optical field of the giant radio galaxy (GRG) 4C 73.08 has been spectroscopically investigated to look for companions to the host 7Zw 292. We have taken spectra of 12 candidates and have determined redshifts for all of them. When combined with the previously known redshift of 7Zw 292, we find that the radio source is accompanied by a small group of nine galaxies, of which the GRG host is the brightest. Seven members of the group lie within 350 kpc of 7Zw 292, gathered around the brighter, more compact component of the double radio source. The whole group has a velocity dispersion of ∼270 km/s. We discuss this result in the light of the X-ray emission which has been detected from the region. 4C 73.08 follows the pattern found in other GRGs of being associated with a small group, but not falling in a rich cluster.

Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society2012 RAS

Journal keyword(s): techniques: spectroscopic - ISM: jets and outflows - galaxies: active - galaxies: distances and redshifts - galaxies: individual: 4C 73.08 - galaxies: ISM

Nomenclature: Fig. 3, Tables 1-2: [CPS2012] NN (Nos 1-18).

Simbad objects: 24

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Number of rows : 24
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 NGC 315 LIN 00 57 48.88334410 +30 21 08.8119345 12.80 12.20 11.16 11.26   ~ 869 2
2 HD 19445 Pe* 03 08 25.5883873084 +26 19 51.400965175 8.29 8.52 8.06 7.60 7.27 G2VFe-3 801 0
3 ESO 248-10 Sy2 03 20 57.5638961808 -45 15 10.533074904   15.83 15.0 14.22   ~ 39 0
4 4C 56.16 rG 07 49 48.077 +55 54 19.45           ~ 176 1
5 MCG+12-10-001 GiP 09 47 14.7 +72 59 11   16.0   11.0   ~ 15 2
6 NGC 2957 PaG 09 47 18.1818573168 +72 59 02.196006936   15.3   16.0   ~ 13 1
7 LEDA 2754158 rG 09 47 22.1 +73 12 18       15.1   ~ 4 0
8 NGC 2963 G 09 47 50.387 +72 57 51.60   14.3   9.6   ~ 38 0
9 MCG+12-10-004 G 09 48 26.8745831184 +72 57 18.830195532   16   12.4   ~ 5 0
10 LEDA 2754273 G 09 48 40.2 +73 13 24       14.4   ~ 2 0
11 LEDA 2756471 rG 09 49 30.8446906320 +73 33 39.472862292       13.8   ~ 3 0
12 LEDA 2756435 G 09 49 37.8 +73 33 18       14.8   ~ 2 0
13 4C 73.08 Sy2 09 49 45.967 +73 14 23.25   16.00   11.7   ~ 127 0
14 LEDA 2754266 G 09 49 48.6 +73 13 18       13.2   ~ 3 0
15 LEDA 2753992 G 09 49 51.2 +73 10 39       14.6   ~ 2 0
16 LEDA 2754392 G 09 49 55.3 +73 14 34       13.9   ~ 3 0
17 [CPS2012] 13 rG 09 50 00.4 +73 14 09       12.8   ~ 2 0
18 LEDA 2754165 G 09 50 06.5 +73 12 20       13.5   ~ 2 0
19 LEDA 2754851 G 09 50 52.1 +73 18 58       14.9   ~ 3 0
20 RIXOS 305-18 QSO 09 51 06.2291988984 +73 02 48.937029108       18.6   ~ 7 0
21 1WGA J0951.2+7318 AGN 09 51 13.7 +73 18 34       18.2   ~ 6 0
22 LEDA 2754491 rG 09 51 56.7 +73 15 33       15.7   ~ 3 0
23 Feige 34 HS* 10 39 36.7358839104 +43 06 09.212615280 9.613 10.91 11.14 11.319 11.464 sdOp 731 0
24 NGC 6251 Bla 16 32 31.96989253 +82 32 16.3999044 15.24 14.66 12.89 7.62   ~ 772 1

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