1997A&A...321..409V


Query : 1997A&A...321..409V

1997A&A...321..409V - Astronomy and Astrophysics, volume 321, 409-423 (1997/5-2)

Hickson 96: a physical compact group.

VERDES-MONTENEGRO L., DEL OLMO A., PEREA J., ATHANASSOULA E., MARQUEZ I. and AUGARDE R.

Abstract (from CDS):

We analyze the morphology and dynamics of the galaxies of the Hickson 96 compact group by means of deep CCD images in the B, V and R photometric bands and long-slit spectroscopy. The four galaxies of this spiral rich group show signs of gravitational interaction. Two long tails come out from the contact region of the close pair H96ac. It is also there where both galaxies, bi-symmetrical in their inner parts, loose one of their arms. Moreover, both the photometric and kinematical center of H96a are displaced relative to the center of the disk. H96b, a giant elliptical galaxy, shows significant deviations from a r1/4 law at the inner parts and small rotation along its major axis. We find at the centre of the galaxy an elongated component which is kinematically decoupled. A wide faint plume seems to emerge from this galaxy. H96d, the smallest galaxy of the group, seems to be influenced by the bigger members, as indicated by three prominent knots of recent bursts of star formation in its blue disk, and by hints of optical bridges joining H96d with H96a and b. Finally the group has a low velocity dispersion (160km/s) and is well isolated - no galaxies with comparable magnitude to H96a or H96b are found in its neighborhood. All these results lead us to conclude that Hickson 96 constitutes a real physical system.

Abstract Copyright:

Journal keyword(s): galaxies: clusters: Hickson 96 (HCG 96) - galaxies: interactions - galaxies: kinematics and dynamics - galaxies: evolution - galaxies: structure

Nomenclature: Fig. 1 and Table 3: [VDP97] N (Nos 0-6). Fig.12: : [VDP97] HCG 96d Knot A (Nos A-C).

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 - 2022
#notes
1 HCG 4 CGG 00 34 15.3 -21 26 52           ~ 59 0
2 NGC 272 Cl* 00 51.3 +35 50           ~ 4 0
3 NGC 366 OpC 01 06 30 +62 13.1           ~ 30 0
4 HCG 16 CGG 02 09 40.82 -10 11 02.0           ~ 161 0
5 HCG 44 CGG 10 18 00 +21 48.7           ~ 80 0
6 Cl Berkeley 87 OpC 20 21 43.01 +37 22 13.8           ~ 116 0
7 HCG 91 CGG 22 09 00.8 -27 47 36           ~ 52 0
8 IC 5283 GiP 23 03 17.9800776408 +08 53 36.838944528   15.2       ~ 114 1
9 NGC 7674 Sy2 23 27 56.6973043968 +08 46 44.253707772 13.84 13.92 13.23 12.64   ~ 665 4
10 MCG+01-59-081 G 23 27 58.7553926496 +08 46 57.872148456   16.10   14.38   ~ 57 0
11 LEDA 71507 G 23 28 00.2 +08 46 02   17.13   16.10   ~ 31 0
12 HCG 96 CGG 23 28 00.40 +08 46 36.9           ~ 47 0
13 NGC 7675 GiG 23 28 05.9207591784 +08 46 06.691000476   14.8   13.20   ~ 59 1
14 UGC 12630 GiG 23 29 54.5403668184 +08 57 56.869718148   15.4       ~ 21 0
15 [VDP97] HCG 96d Knot B PoG ~ ~           ~ 1 0
16 [VDP97] 6 GiG ~ ~           ~ 1 0
17 [VDP97] 5 G ~ ~           ~ 1 0
18 [VDP97] 4 G ~ ~           ~ 1 0
19 [VDP97] 3 GiG ~ ~           ~ 1 0
20 [VDP97] 2 GiG ~ ~           ~ 1 0
21 [VDP97] 1 GiG ~ ~           ~ 1 0
22 [VDP97] HCG 96d Knot A PoG ~ ~           ~ 2 0
23 [VDP97] 0 * ~ ~           ~ 1 0
24 [VDP97] HCG 96d Knot C PoG ~ ~           ~ 1 0

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2022.05.24-08:15:18

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