2008MNRAS.389.1539F


C.D.S. - SIMBAD4 rel 1.7 - 2020.06.02CEST05:11:55

2008MNRAS.389.1539F - Mon. Not. R. Astron. Soc., 389, 1539-1555 (2008/October-1)

Compact stellar systems and cluster environments.

FIRTH P., DRINKWATER M.J. and KARICK A.M.

Abstract (from CDS):

We have extended the search for luminous compact stellar systems (CSSs) in the Virgo and Fornax galaxy clusters by targeting with the recently commissioned AAOmega spectrograph three cluster environments - the cluster cores around M87 and NGC1399, intracluster space and a major galaxy merger site (NGC1316). We have significantly increased the number of redshift-confirmed CSSs in the Virgo cluster core and located three Virgo intracluster globular clusters (IGCs) at a large distance from M87 (154-173arcmin or ∼750- 850kpc) - the first isolated IGCs to be redshift confirmed. We estimate luminous CSS populations in each cluster environment, and compare their kinematic and photometric properties. We find that (1) the estimated luminous CSS population in the Virgo cluster core is half of that in Fornax, possibly reflecting the more relaxed dynamical status of the latter; (2) in both clusters the luminous CSS velocity dispersions are less than those of the cD galaxy globular cluster (GC) system or cluster dwarf elliptical (dE) galaxies, suggesting luminous CSSs have less energetic orbits; (3) Fornax has a subpopulation of cluster core luminous CSSs that are redder and presumably more metal rich than those found in Virgo; (4) no luminous CSSs were found in a 10-20arcmin (60-130kpc) radial arc east of the 3-Gyr-old NGC1316 galaxy merger remnant or in the adjacent intracluster region, implying that any luminous CSSs created in the galaxy merger have not been widely dispersed.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): galaxies: clusters: individual: Fornax cluster - galaxies: clusters: individual: Virgo cluster - galaxies: distances and redshifts - galaxies: star clusters

Nomenclature: Tables 4, 5: [FDK2008] JHHMMSS.ss+DDMMSS.s N=19+17.

Status at CDS:  

Simbad objects: 62

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Number of rows : 62

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 10851 1
2 NGC 1316 GiP 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1192 1
3 [FDE2007] J033626.67-352201.5 GiC 03 36 26.7008506399 -35 22 01.459633137           ~ 9 1
4 NG 115 LSB 03 36 37.238 -35 23 09.27           ~ 19 2
5 NGC 1387 GiP 03 36 57.0325944947 -35 30 23.691986124 12.18 11.75 10.69 10.16   ~ 215 1
6 [BAL2007] gc271.5 GlC 03 37 05.708 -35 37 32.09           ~ 4 0
7 [SRH2010] 2 84 GlC 03 37 28.250 -35 21 23.11     20.57     ~ 8 0
8 FCOS 2-2161 Gl? 03 37 33.86 -35 22 19.2     20.54     ~ 5 0
9 NAME UCD-FORS 32 GiC 03 38 05.0524347451 -35 24 09.332470569   19.7 19.15   18.02 ~ 17 0
10 NAME UCD-FORS 81 GlC 03 38 06.3039061784 -35 28 58.553454257   18.85 19.31 18.80 18.18 ~ 37 1
11 [DJG2000] UCO 27 GlC 03 38 10.3454242107 -35 24 05.792778516     19.66 19.17   ~ 11 0
12 FCOS 3-2027 G 03 38 23.7418330078 -35 13 49.550012936     19.76     ~ 9 1
13 NGC 1399 BiC 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1442 1
14 ACO S 373 ClG 03 38 30 -35 27.3           ~ 1522 0
15 [FDK2008] J033834.04-352522.0 Gl? 03 38 34.04 -35 25 22.0           ~ 1 0
16 [MHJ2008] F-18 G 03 38 41.9473221113 -35 33 12.955568262     19.70     ~ 12 1
17 NGC 1404 GiP 03 38 51.917 -35 35 39.81 11.53 10.69 10.00 9.03   ~ 662 1
18 2MASS J03385407-3533331 GiC 03 38 54.0548295896 -35 33 33.352307509   18.5 18.06     ~ 68 0
19 LEDA 2793608 GiC 03 39 35.9213136977 -35 28 24.471994346   18.82 19.12     ~ 42 1
20 [GDE2009] UCD 55 G 03 39 43.56 -35 26 59.5           ~ 6 1
21 [DJG2000] UCO 5 GiC 03 39 52.5447956746 -35 04 24.032437250   19.66 19.50     ~ 33 0
22 FCSS J034003.4-352944 GiC 03 40 03.40 -35 29 44.0   19.3 18.4     ~ 5 0
23 [BAL2007] gc129.2 GlC 03 41 29.535 -35 19 48.60           ~ 3 0
24 NGC 1427 GiG 03 42 19.4447168502 -35 23 33.193682690   11.89   10.44   ~ 247 0
25 [FDK2008] J034308.16-352343.4 ? 03 43 08.16 -35 23 43.4           ~ 2 0
26 NGC 4038 GiP 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1273 1
27 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1553 0
28 NGC 4039 GiP 12 01 53.8 -18 53 06   11.08   9.77   ~ 1129 1
29 NAME Vir I ClG 12 26 32.1 +12 43 24   10.00 8.49     ~ 5794 0
30 NGC 4435 GiG 12 27 40.503 +13 04 44.48 12.23 11.74 10.80     ~ 411 2
31 NGC 4438 LIN 12 27 45.652 +13 00 30.92 11.37 11.02 10.17     ~ 577 3
32 NGC 4451 GiG 12 28 40.558 +09 15 32.13   13.4       ~ 170 0
33 LEDA 41175 G 12 29 33.525 +09 36 51.62           ~ 4 0
34 LEDA 41188 LSB 12 29 37.9954679501 +09 31 15.317278085   18       ~ 19 0
35 LEDA 41200 LSB 12 29 39.608 +09 27 48.93           ~ 11 0
36 M 49 Sy2 12 29 46.798 +08 00 01.48   13.21 12.17     ~ 1954 2
37 [FDK2008] J122950.62+093103.7 GlC 12 29 50.6208960540 +09 31 03.774832729           ~ 3 0
38 LEDA 41259 LSB 12 30 02.00 +09 28 26.4   17.31       ~ 14 0
39 [PLP2016] 187.646314+12.414882 GlC 12 30 35.1131333055 +12 24 53.519964719           ~ 5 0
40 [PLP2016] 187.668917+12.403329 GlC 12 30 40.5323932249 +12 24 11.901131344           ~ 5 0
41 [PLP2016] 187.671644+12.329485 GlC 12 30 41.1931691374 +12 19 46.108183296           ~ 6 0
42 2MASX J12304203+1226263 X 12 30 42.034 +12 26 26.30           ~ 2 0
43 [SFH81] 1165 GlC 12 30 42.2787791839 +12 26 20.442614787           ~ 5 0
44 [FDK2008] J123046.78+121532.1 GlC 12 30 46.7748644082 +12 15 32.139299069           ~ 4 0
45 [FDK2008] J123047.40+123301.7 GlC 12 30 47.3914980464 +12 33 01.643199426           ~ 6 0
46 M 87 BiC 12 30 49.42338230 +12 23 28.0438581 10.16 9.59 8.63   7.49 ~ 6169 3
47 [JPB2009] 187.7199638+12.2668747 GlC 12 30 52.7913544474 +12 16 00.869582801           ~ 7 0
48 [PLP2016] 187.720049+12.431902 GlC 12 30 52.810 +12 25 54.80           ~ 5 0
49 [FDK2008] J123057.48+123139.5 GlC 12 30 57.4706121402 +12 31 39.437971176           ~ 3 0
50 [PLP2016] 187.741989+12.338933 GlC 12 30 58.080 +12 20 20.22           ~ 7 0
51 [PLP2016] 187.744074+12.440208 GlC 12 30 58.5714868441 +12 26 24.792621788           ~ 5 0
52 NAME LOCAL SUPERCL SCG 12 31 +12.4           ~ 448 0
53 [FDK2008] J123102.59+123414.1 GlC 12 31 02.589 +12 34 14.12           ~ 7 0
54 [SFH81] 314 GlC 12 31 05.1312917254 +12 20 03.570464458     20.19     ~ 18 0
55 [FDK2008] J123105.80+122640.7 GlC 12 31 05.8030970780 +12 26 40.740011875           ~ 6 0
56 [PLP2016] 188.010552+11.940539 GlC 12 32 02.5318453543 +11 56 25.899286750           ~ 4 0
57 LEDA 41593 G 12 32 35.873 +09 53 10.47   16       ~ 18 0
58 [FDK2008] J123255.55+094412.7 GlC 12 32 55.5520033965 +09 44 12.688388481           ~ 5 0
59 [FDK2008] J123307.36+095254.3 GlC 12 33 07.3576759337 +09 52 54.243880847           ~ 6 0
60 IC 3489 AG? 12 33 13.6955514591 +12 14 49.138743165   15.2       ~ 36 0
61 [PLP2016] 188.372792+12.171518 GlC 12 33 29.4713832451 +12 10 17.383650320           ~ 6 0
62 NAME Local Group GrG ~ ~           ~ 6923 0

    Equat.    Gal    SGal    Ecl

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2020.06.02-05:11:55

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