2003A&A...401..463T

Query : 2003A&A...401..463T

2003A&A...401..463T - Astronomy and Astrophysics, volume 401, 463-470 (2003/4-2)

Shakhbazian compact galaxy groups. II. Photometric and spectroscopic study of ShCG 376.

TOVMASSIAN H.M., TIERSCH H., CHAVUSHYAN V.H. and TOVMASSIAN G.H.

Abstract (from CDS):

The results of the redshift measurements and of the detailed surface photometry in BVR of the compact group ShCG 376 are presented. The radial velocity dispersion, the virial mass, the total luminosity, the M/L ratio, and the crossing time of the group are estimated. The group consists of eight accordant redshift spiral galaxies. Four (or possibly five) of the group members have emission-line spectra. Such morphological content and the number of emission-line galaxies are very atypical for compact galaxy groups. There are signs of interaction between some members of the group. It is suggested that the irregular shape of the brightest galaxy No. 4 is probably due to interaction with other members of the group, particularly, the emission line galaxy No. 6 with a discordant redshift (Δv=2600km/s). It is speculated that the latter galaxy may be a infalling intruder to the group.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - galaxies: interactions - galaxies: kinematics and dynamics - galaxies: photometry

Nomenclature: Fig.1: [TTC2003] A (Nos A-C).

CDS comments: Table 2 + fig.1 : concentration Shk 376-4a not considered as a galaxy.

Simbad objects: 16

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Number of rows : 16
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 HCG 16 CGG 02 09 40.82 -10 11 02.0           ~ 169 0
2 2MASX J13563020+2322072 GiG 13 56 30.2203810824 +23 22 07.846624920           ~ 10 0
3 Shk 376-7 GiG 13 56 30.5828599968 +23 21 46.382135220           ~ 5 0
4 Shk 376-6 GiG 13 56 31.5 +23 21 35           ~ 3 0
5 2MASX J13563267+2321182 AGN 13 56 32.7112713384 +23 21 18.342805356           ~ 6 0
6 MLCG 0449 CGG 13 56 35.33 +23 21 31.3           ~ 14 0
7 2MASX J13563572+2321362 AGN 13 56 35.731 +23 21 35.99           ~ 14 0
8 Shk 376-2 GiG 13 56 37.3 +23 22 03           ~ 2 0
9 2MASX J13563797+2320012 GiG 13 56 37.9975454136 +23 20 01.906942704           ~ 4 0
10 2MASX J13563841+2321512 AGN 13 56 38.4136759752 +23 21 51.566638428           ~ 6 0
11 2MASX J13563942+2322102 AGN 13 56 39.4548976488 +23 22 10.355538612           ~ 7 0
12 HCG 80 CGG 15 59 12 +65 13.6   17.7       ~ 27 0
13 HCG 88 CGG 20 52.4 -05 45           ~ 54 0
14 HCG 89 CGG 21 20.2 -03 54           ~ 33 0
15 NAME Stephan's Quintet CGG 22 35 57.5 +33 57 36           ~ 439 1
16 NGC 7318B GiP 22 35 58.3903354632 +33 57 57.827617524   14.06   12.47   ~ 138 0

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