2018ApJS..238...31M

Query : 2018ApJS..238...31M

2018ApJS..238...31M - Astrophys. J., Suppl. Ser., 238, 31-31 (2018/October-0)

3C 17: the BCG of a galaxy cluster at z = 0.22.

MADRID J.P., DONZELLI C.J., RODRIGUEZ-ARDILA A., PAGGI A., MASSARO F. and SCHIRMER M.

Abstract (from CDS):

Gemini Multi Object Spectrograph medium-resolution spectra and photometric data of 39 objects in the field of the radio galaxy 3C 17 are presented. Based on the new data, a previously uncataloged cluster of galaxies is identified at a mean redshift of z = 0.220 ± 0.003, a projected virial radius of 0.37 Mpc, and a velocity dispersion of σv = 821 ± 171 km s–1. The brightest member of this cluster is 3C 17, with Mr = -22.45 mag. The surface brightness profile of 3C 17 is best fit with two components (Exponential + Sersic) characteristic of brightest cluster galaxies. The spectrum of 3C 17 is dominated by broad emission lines Hα + N[ II] and Hβ + [O III]. Analysis of Chandra data shows extended emission around the cluster core that supports the existence of hot gas cospatial with 3C 17. The discovery of a cluster of galaxies around 3C 17 better explains the sharply bent morphology of the radio jet given that it propagates through a dense intracluster medium.

Abstract Copyright: © 2018. The American Astronomical Society. All rights reserved.

Journal keyword(s): Galaxies: clusters: general - Galaxies: individual: (3C 17, PKS 0035-02) - X-rays: galaxies: clusters

Nomenclature: Text: [MDR2018] 3C 17 cluster. Table 1: [MDR2018] NN (Nos 1-45).

Simbad objects: 41

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Number of rows : 41
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 [MDR2018] 40 G 00 38 09.092 -02 07 11.21           ~ 1 0
2 [MDR2018] 32 G 00 38 09.633 -02 07 30.86           ~ 1 0
3 [MDR2018] 31 G 00 38 10.744 -02 08 30.05           ~ 1 0
4 [MDR2018] 45 G 00 38 11.458 -02 08 12.18           ~ 1 0
5 [MDR2018] 35 G 00 38 11.998 -02 08 08.38           ~ 1 0
6 [MDR2018] 34 G 00 38 12.265 -02 08 09.84           ~ 1 0
7 [MDR2018] 36 G 00 38 12.511 -02 07 29.30           ~ 1 0
8 [MDR2018] 39 G 00 38 12.761 -02 07 06.50           ~ 1 0
9 [MDR2018] 29 G 00 38 13.241 -02 07 35.93           ~ 1 0
10 [MDR2018] 38 G 00 38 13.516 -02 06 54.34           ~ 1 0
11 [MDR2018] 30 G 00 38 13.984 -02 08 58.44           ~ 1 0
12 [MDR2018] 41 G 00 38 14.551 -02 06 54.36           ~ 1 0
13 [MDR2018] 42 G 00 38 15.074 -02 07 45.89           ~ 1 0
14 [MDR2018] 22 G 00 38 15.495 -02 08 50.91           ~ 1 0
15 [MDR2018] 21 G 00 38 16.236 -02 07 52.66           ~ 1 0
16 WiggleZ R01J003816798-02062015 G 00 38 16.820 -02 06 20.21           ~ 2 0
17 [MDR2018] 19 G 00 38 17.401 -02 07 11.97           ~ 1 0
18 [MDR2018] 18 G 00 38 17.814 -02 07 07.95           ~ 1 0
19 [MDR2018] 17 G 00 38 18.475 -02 08 25.22           ~ 1 0
20 [MDR2018] 16 G 00 38 18.923 -02 07 02.83           ~ 1 0
21 [MDR2018] 15 G 00 38 19.115 -02 07 53.57           ~ 1 0
22 [MDR2018] 14 G 00 38 19.624 -02 07 21.49           ~ 1 0
23 [MDR2018] 6 G 00 38 20.3510034864 -02 07 53.713069680           ~ 1 0
24 ICRF J003820.5-020740 Sy1 00 38 20.52934376 -02 07 40.5469964   19.04 18.02 17.6   ~ 255 1
25 [MDR2018] 4 G 00 38 20.762 -02 07 41.40           ~ 1 0
26 [MDR2018] 5 G 00 38 20.847 -02 07 46.99           ~ 1 0
27 [MDR2018] 2 G 00 38 20.976 -02 07 42.51           ~ 1 0
28 [MDR2018] 3 G 00 38 21.197 -02 07 45.72           ~ 1 0
29 [MDR2018] 9 G 00 38 21.374 -02 07 43.86           ~ 1 0
30 [MDR2018] 43 G 00 38 22.341 -02 07 24.30           ~ 1 0
31 [MDR2018] 33 G 00 38 22.805 -02 09 18.00           ~ 1 0
32 [MDR2018] 37 G 00 38 23.054 -02 07 40.65           ~ 1 0
33 [MDR2018] 23 G 00 38 23.7517276368 -02 08 07.999559700           ~ 1 0
34 [MDR2018] 44 G 00 38 24.276 -02 07 59.99           ~ 1 0
35 [MDR2018] 24 G 00 38 25.115 -02 08 14.57           ~ 1 0
36 [MDR2018] 25 G 00 38 25.920 -02 07 20.17           ~ 1 0
37 [MDR2018] 26 G 00 38 26.252 -02 07 46.41           ~ 1 0
38 [MDR2018] 27 G 00 38 27.128 -02 08 09.73           ~ 1 0
39 [MDR2018] 28 G 00 38 28.817 -02 07 22.91           ~ 1 0
40 NGC 1265 rG 03 18 15.674 +41 51 27.94   14.7       ~ 386 2
41 NGC 7793 GiG 23 57 49.7540045856 -32 35 27.701550744 10.26 9.74 9.28 9.06 9.7 ~ 1188 2

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