2001AJ....122..163G

Query : 2001AJ....122..163G

2001AJ....122..163G - Astron. J., 122, 163-181 (2001/July-0)

Hubble space telescope images of Stephan's quintet: star cluster formation in a compact group environment.

GALLAGHER S.C., CHARLTON J.C., HUNSBERGER S.D., ZARITSKY D. and WHITMORE B.C.

Abstract (from CDS):

Analysis of Hubble Space Telescope Wide Field Planetary Camera 2 images of Stephan's Quintet, Hickson Compact Group 92, yielded 115 candidate star clusters (with V-I<1.5). Unlike in merger remnants, the cluster candidates in Stephan's Quintet are not clustered in the inner regions of the galaxies; they are spread over the debris and surrounding area. Specifically, these sources are located in the long sweeping tail and spiral arms of NGC 7319, in the tidal debris of NGC 7318B/A, and in the intragroup starburst region north of these galaxies. Analysis of the colors of the clusters indicate several distinct epochs of star formation that appear to trace the complex history of dynamical interactions in this compact group.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Individual NGC Number:: NGC 7318A - Galaxies: Individual: NGC Number: NGC 7318B - Galaxies: Individual: NGC Number: NGC 7319 - Galaxies: Interactions - Galaxies: Star Clusters - Galaxies: Intergalactic Medium

Nomenclature: Tables 1-4: [GCH2001] NNN (Nos 1-139).

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

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 - 2026 		#notes
1 HCG 31 CGG 05 01 37 -04 15.4           ~ 132 0
2 NGC 1741 EmG 05 01 38.3 -04 15 25   13.7   13.02 13.6 ~ 273 0
3 NGC 3256 Sy2 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 920 2
4 NGC 3921 LIN 11 51 06.8803989360 +55 04 43.414457484   13.4 12.64     ~ 260 1
5 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
6 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
7 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1173 1
8 NGC 7252 AGN 22 20 44.7748209648 -24 40 41.909518200 12.26 12.46 12.06 11.57   ~ 720 1
9 NGC 7317 Sy2 22 35 51.8681746944 +33 56 41.758033380 15.10 14.57 13.60 12.72   ~ 182 1
10 NGC 7318A GiP 22 35 56.70407 +33 57 55.7710   14.4   13.13   ~ 140 0
11 NAME Stephan's Quintet CGG 22 35 57.5 +33 57 36           ~ 480 1
12 NGC 7318B GiP 22 35 58.3903354632 +33 57 57.827617524   14.06   12.47   ~ 144 0
13 NGC 7320 GiG 22 36 03.4059680280 +33 56 53.623460220 13.12 13.23 12.63 12.38   ~ 204 3
14 NGC 7319 Sy2 22 36 03.602 +33 58 33.18   14.57 13.53 12.65   ~ 325 0
15 NGC 7320C AG? 22 36 20.3659207800 +33 59 06.140904000   17       ~ 54 0

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