2003MNRAS.344..188K

Query : 2003MNRAS.344..188K

2003MNRAS.344..188K - Mon. Not. R. Astron. Soc., 344, 188-200 (2003/September-1)

The surface brightness and colour-magnitude relations for Fornax cluster galaxies.

KARICK A.M., DRINKWATER M.J. and GREGG M.D.

Abstract (from CDS):

We present BVI photometry of 190 galaxies in the central 4x3 deg2 region of the Fornax cluster observed with the Michigan Curtis Schmidt Telescope.
Result. from the Fornax Cluster Spectroscopic Survey (FCSS) and the Flair-II Fornax Surveys have been used to confirm the membership status of galaxies in the Fornax Cluster Catalogue (FCC). In our catalogue of 213 member galaxies, 92 (43 per cent) have confirmed radial velocities.

In this paper, we investigate the surface brightness-magnitude relation for Fornax cluster galaxies. Particular attention is given to the sample of cluster dwarfs and the newly discovered ultracompact dwarf galaxies (UCDs) from the FCSS. We examine the reliability of the surface brightness-magnitude relation as a method for determining cluster membership and find that at surface brightnesses fainter than 22 mag.arcsec–2, it fails in its ability to distinguish between cluster members and barely resolved background galaxies. Cluster members exhibit a strong surface brightness-magnitude relation. Both elliptical (E) galaxies and dwarf elliptical (dE) galaxies increase in surface brightness as luminosity decreases. The UCDs lie off the locus of the relation.

B -V and V -I colours are determined for a sample of 113 cluster galaxies and the colour-magnitude relation is explored for each morphological type. The UCDs lie off the locus of the colour-magnitude relation. Their mean V -I colours (∼1.09) are similar to those of globular clusters associated with NGC 1399. The location of the UCDs on both surface brightness and colour-magnitude plots supports the `galaxy threshing' model for infalling nucleated dwarf elliptical (dE, N) galaxies.


Abstract Copyright: 2003 RAS

Journal keyword(s): methods: observational - galaxies: clusters: individual: Fornax - galaxies: dwarf - galaxies: photometry

VizieR on-line data: <Available at CDS (J/MNRAS/344/188): table3.dat table4.dat>

Nomenclature: Fig.4, Table 4: [DJG2000] UCO N (Nos 6-7) added.

Simbad objects: 201

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Number of rows : 201
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 NAME Fornax Dwarf Spheroidal G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1743 1
2 LEDA 74451 LSB 03 27 08.1 -34 24 00   18.5       ~ 14 0
3 ESO 358-6 GiG 03 27 18.0282957096 -34 31 35.315736492   14.15   12.95   ~ 93 0
4 LEDA 12882 LSB 03 27 21.7 -36 08 48   17.5       ~ 15 0
5 LEDA 74469 LSB 03 27 27.8 -35 55 26   17.8       ~ 11 0
6 LEDA 645417 AG? 03 27 33.80 -35 43 04.0           ~ 5 0
7 LEDA 74506 GiC 03 28 06.6 -35 14 11   17.5       ~ 12 0
8 ESO 358-9 GiG 03 28 48.718 -35 10 41.37   14.21   12.92 13.3 ~ 93 0
9 LEDA 74541 GiC 03 29 26.2 -35 36 15   20.5       ~ 10 0
10 LEDA 74554 GiC 03 29 34.4 -36 42 12   19.4       ~ 10 0
11 LEDA 74563 GiC 03 29 42.1 -36 13 17   18.2       ~ 12 0
12 LEDA 74565 GiC 03 29 45.4 -35 22 43   19.2       ~ 11 0
13 LEDA 74605 GiC 03 30 30.52 -34 15 36.0   16.4       ~ 22 0
14 NGC 1351 GiG 03 30 34.9598617824 -34 51 14.242996620   12.30   10.85   ~ 181 0
15 LEDA 74609 GiC 03 30 36.6 -35 02 30   19.5       ~ 11 0
16 LEDA 74617 GiC 03 30 46.21 -35 32 57.9   15.96       ~ 26 0
17 LEDA 74618 GiC 03 30 46.6 -35 21 17   17.5       ~ 15 0
18 MCG-06-08-024 Sy2 03 31 08.2735132152 -36 17 24.787136976   14.60       ~ 70 1
19 LEDA 74657 LSB 03 31 16.9 -34 57 42   19.0       ~ 12 0
20 LEDA 74659 LSB 03 31 20.7 -35 49 10   19.4       ~ 13 0
21 LEDA 13077 Sy2 03 31 20.9454220152 -35 29 29.875192764   15.72       ~ 23 0
22 LEDA 74661 LSB 03 31 22.7 -34 58 17   19.3       ~ 12 0
23 MCG-06-08-025 GiG 03 31 24.8276106048 -35 19 51.481514892   14.70       ~ 48 0
24 ESO 301-18 AG? 03 31 32.771 -38 03 40.45   16.42   15.02   ~ 12 0
25 LEDA 74676 GiC 03 31 39.0 -36 16 37   19.2       ~ 13 0
26 LEDA 13099 LSB 03 31 44.9 -34 20 17   17.1       ~ 19 0
27 LEDA 74679 LSB 03 31 46.90 -35 40 32.4   17.2       ~ 14 0
28 6dFGS gJ033147.6-350305 GiC 03 31 47.6331242640 -35 03 05.148733932   15.27       ~ 56 0
29 6dFGS gJ033210.7-361314 LSB 03 32 10.74 -36 13 14.9   16.39       ~ 24 0
30 LEDA 74696 LSB 03 32 27.4 -35 46 31   19.3       ~ 15 0
31 LEDA 13131 GiC 03 32 29.8 -36 05 18   17.3       ~ 17 0
32 LEDA 74698 LSB 03 32 30.4 -34 20 54   18.5       ~ 9 0
33 2MASX J03324763-3414194 LSB 03 32 47.6755769592 -34 14 19.382566452   15.25       ~ 50 0
34 LEDA 74706 GiC 03 32 48.6 -36 09 11   19.1       ~ 12 0
35 ESO 358-14 LSB 03 32 57.4 -35 44 15   17.95   16.69   ~ 27 0
36 LEDA 74710 LSB 03 33 03.3 -36 26 35   17.7       ~ 19 0
37 ESO 358-15 Sy2 03 33 06.85 -34 48 29.2   15.34   14.29 14.9 ~ 77 0
38 ESO 358-16 GiC 03 33 09.20 -35 43 06.7   16.74   15.96   ~ 29 0
39 6dFGS gJ033312.8-360103 GiC 03 33 12.83 -36 01 02.4   15.85       ~ 28 0
40 LEDA 74723 LSB 03 33 31.2 -34 27 21   17.6       ~ 18 0
41 LEDA 13185 GiC 03 33 34.22 -36 36 21.3   16.43       ~ 22 0
42 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1802 2
43 LEDA 74727 LSB 03 33 43.3 -35 51 34   16.7       ~ 22 1
44 LEDA 74728 LSB 03 33 48.4 -35 50 10   18.7       ~ 19 0
45 LEDA 74729 LSB 03 33 48.8 -34 10 12   18.0       ~ 13 0
46 LEDA 660587 GiC 03 33 56.28 -34 33 41.8   17.3       ~ 14 0
47 LEDA 659931 AG? 03 33 57.43 -34 36 42.1           ~ 13 0
48 LEDA 74732 GiC 03 34 07.0 -36 27 58   16.8       ~ 14 0
49 LEDA 74733 Sy1 03 34 07.9 -36 04 12   19.7 20.10     ~ 17 0
50 FLSBG 223 LSB 03 34 09.179 -35 30 59.50   18.2       ~ 11 0
51 LEDA 74735 LSB 03 34 12.2 -35 13 43   20.3       ~ 16 0
52 LEDA 74736 GiC 03 34 18.34 -35 47 41.4   17.99       ~ 14 0
53 LEDA 74737 LSB 03 34 20.2 -35 21 45   17.5       ~ 21 0
54 LEDA 74738 GiC 03 34 21.80 -34 35 33.4   17.6       ~ 18 0
55 MCG-06-08-027 EmG 03 34 29.4927803424 -35 32 47.329271916   14.50       ~ 87 1
56 ESO 358-19 GiC 03 34 30.8740483488 -34 17 51.501897456   15.71       ~ 39 0
57 LEDA 13242 LSB 03 34 44.2 -35 51 41   16.9       ~ 23 0
58 LEDA 74742 LSB 03 34 56.5 -35 11 27   19.0 18.25     ~ 21 0
59 LEDA 74743 GiC 03 34 57.183 -35 12 23.97   19.7 18.97     ~ 13 0
60 LEDA 74744 LSB 03 34 58.2 -35 02 34   18.5       ~ 18 0
61 NGC 1373 GiP 03 34 59.1993515280 -35 10 15.879086760 14.44 14.03 13.26     ~ 129 1
62 LEDA 74745 LSB 03 35 00.2 -35 19 21   19.2 19.26     ~ 20 0
63 LEDA 74747 LSB 03 35 05.5 -35 13 06   19.6 19.07     ~ 20 0
64 LEDA 74749 LSB 03 35 11.5 -35 19 22   19.5       ~ 19 0
65 NGC 1374 EmG 03 35 16.5885737352 -35 13 34.563417168 12.46 11.97 11.08 10.59   ~ 297 1
66 NGC 1375 GiG 03 35 16.8025873104 -35 15 56.371399740 13.50 13.02 12.40 11.74   ~ 165 1
67 LEDA 74751 GiC 03 35 23.8 -36 05 29   19.9       ~ 12 0
68 2MASX J03352407-3621496 GiC 03 35 24.0910651464 -36 21 49.743672768   15.90       ~ 37 0
69 LEDA 74753 LSB 03 35 25.2 -36 10 44   18.0       ~ 17 0
70 IC 1963 GiG 03 35 31.0692175536 -34 26 49.368859656   12.90   11.71   ~ 135 0
71 LEDA 74755 LSB 03 35 34.0 -34 48 17   18.3       ~ 16 0
72 LEDA 13287 LSB 03 35 42.79 -35 20 17.2   17.2 16.85     ~ 29 1
73 LEDA 74757 LSB 03 35 42.8 -35 30 51   18.3 18.85     ~ 18 0
74 LEDA 13291 LSB 03 35 46.3 -35 59 21   16.8       ~ 21 0
75 LEDA 74759 LSB 03 35 55.8 -34 49 42   18.1       ~ 17 0
76 LEDA 74761 LSB 03 36 03.94 -35 23 20.5   17.7 17.34     ~ 26 1
77 NGC 1379 GiP 03 36 03.9668625792 -35 26 28.547476800 12.17 12.04 10.91 10.60   ~ 265 1
78 6dFGS gJ033612.9-360959 GiC 03 36 12.94 -36 09 59.0   16.4       ~ 22 0
79 LEDA 74768 LSB 03 36 23.5 -35 54 41   17.5       ~ 18 0
80 NGC 1380 Sy2 03 36 27.590 -34 58 34.68 11.32 10.94 9.93 9.37   ~ 429 1
81 LEDA 74770 LSB 03 36 28.0 -35 12 39   18.7 18.78     ~ 19 0
82 NGC 1381 GiP 03 36 31.6592184144 -35 17 42.739221912 12.90 12.47 11.50 11.02   ~ 254 1
83 FCC 171 LSB 03 36 37.252 -35 23 09.33           ~ 26 2
84 LEDA 74776 LSB 03 36 43.0 -34 09 32   18.0       ~ 15 0
85 LEDA 74775 LSB 03 36 43.0 -35 26 08   18.8       ~ 17 0
86 NGC 1369 GiG 03 36 45.2559802872 -36 15 22.575550716   13.77   12.30   ~ 59 0
87 NGC 1386 Sy1 03 36 46.238 -35 59 57.39 12.42 12.16 11.23 10.76   ~ 520 1
88 ESO 358-33 GiG 03 36 47.5007323848 -34 44 22.739259552 13.63 13.36 12.41 12.00   ~ 143 1
89 LEDA 74778 GiC 03 36 48.6 -34 16 48   17.2       ~ 19 0
90 LEDA 74780 LSB 03 36 52.8 -36 29 10   17.2       ~ 14 0
91 LEDA 74781 GiC 03 36 53.21 -34 56 17.3   16.93       ~ 27 0
92 MCG-06-09-008 GiP 03 36 54.3158470008 -35 22 28.948080864   14.81       ~ 95 2
93 NGC 1387 Sy2 03 36 57.0337458600 -35 30 23.675934060 12.18 11.75 10.69 10.16   ~ 262 1
94 LEDA 74783 LSB 03 37 02.7 -34 52 32   19.5       ~ 17 0
95 [BAL2007] uc257.5 GiC 03 37 03.2455003608 -35 38 04.385867820   19.85 19.31     ~ 34 1
96 6dFGS gJ033704.6-353524 GiC 03 37 04.66 -35 35 24.0   15.94   15.65   ~ 46 0
97 LEDA 13349 LSB 03 37 04.7 -34 36 13   17.5       ~ 17 0
98 LEDA 74786 GiC 03 37 08.2 -34 43 52   18.8       ~ 18 0
99 NGC 1382 GiP 03 37 08.9722655064 -35 11 41.995386996 13.19 13.79 12.92 12.31   ~ 123 1
100 LEDA 74787 LSB 03 37 10.0 -35 23 11   19.3       ~ 20 0
101 NGC 1389 EmG 03 37 11.7427350576 -35 44 45.873195000 12.80 12.39 11.50 10.99   ~ 198 1
102 LEDA 74790 LSB 03 37 17.98 -35 41 54.8   18.2 17.80     ~ 23 1
103 LEDA 74791 GiC 03 37 23.41 -34 54 00.1   16.51       ~ 29 0
104 LEDA 74792 LSB 03 37 34.05 -35 49 45.8   17.7       ~ 28 0
105 LEDA 74796 LSB 03 37 41.1 -35 17 46   19.1       ~ 20 0
106 LEDA 74798 LSB 03 37 43.7 -36 43 35   19.0       ~ 14 0
107 LEDA 74802 GiC 03 37 54.6 -34 52 57   17.31       ~ 18 0
108 NAME UCD-FORS 32 Gl? 03 38 05.0504949024 -35 24 09.329119704   19.7 19.15   18.02 ~ 18 0
109 NAME UCD-FORS 81 GlC 03 38 06.3040671264 -35 28 58.550357136   18.85 19.31 18.80 18.18 ~ 39 1
110 NGC 1396 GiG 03 38 06.5677454520 -35 26 23.637846372   14.80       ~ 98 1
111 ESO 358-42 GiC 03 38 09.1644279912 -34 31 07.380761484   15.74   14.44   ~ 63 1
112 LEDA 648051 GiC 03 38 16.67 -35 30 27.9   17.4 16.84     ~ 18 0
113 LEDA 74806 LSB 03 38 18.80 -35 31 49.4   17.3 17.18     ~ 36 1
114 LEDA 74807 LSB 03 38 19.2 -36 03 56   18.7       ~ 15 0
115 LEDA 74808 EmG 03 38 19.265 -35 07 44.74   15.60 15.34     ~ 59 0
116 LEDA 74810 LSB 03 38 20.9 -36 24 45   17.6       ~ 18 0
117 LEDA 74811 EmG 03 38 21.4890668040 -35 15 34.953195492   15.89 15.65     ~ 37 0
118 NGC 1399 BiC 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1570 1
119 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 1827 0
120 LEDA 74816 LSB 03 38 36.6 -35 50 02   19.0 18.91     ~ 23 0
121 LEDA 74817 LSB 03 38 37.7 -35 45 27   19.2 19.21     ~ 30 1
122 LEDA 74818 LSB 03 38 39.4 -36 33 30   19.2       ~ 14 0
123 LEDA 74819 LSB 03 38 41.7 -36 43 38   19.7       ~ 12 0
124 LEDA 74821 LSB 03 38 45.336 -35 15 59.93   18.5       ~ 21 0
125 NGC 1404 GiP 03 38 51.917 -35 35 39.81 11.53 10.69 10.00 9.03   ~ 751 1
126 CGF 1-4 GlC 03 38 54.0545340024 -35 33 33.320376180   18.5 18.06     ~ 75 1
127 LEDA 74826 GiC 03 38 55.048 -35 14 13.20   19.5       ~ 12 0
128 LEDA 74832 GiC 03 39 05.78 -36 05 55.2   17.7       ~ 19 0
129 LEDA 13449 GiC 03 39 13.42 -35 22 15.7   15.1 14.91     ~ 63 1
130 LEDA 2793608 GiC 03 39 35.9209845336 -35 28 24.441828204   18.82 19.12     ~ 44 1
131 LEDA 74850 LSB 03 39 50.1 -35 31 22   19.3       ~ 23 1
132 LEDA 74849 LSB 03 39 50.3 -35 01 19   17.8 18.41     ~ 16 0
133 LEDA 74851 LSB 03 39 51.4 -35 19 20   18.8 18.69     ~ 20 0
134 FCSS J033952.5-350424 GiC 03 39 52.5471040440 -35 04 24.003755616   19.66 19.50     ~ 37 0
135 LEDA 74856 LSB 03 39 55.4 -35 39 44   19.1 18.75     ~ 23 0
136 LEDA 74859 GiC 03 40 01.30 -34 45 28.5   16.85       ~ 26 0
137 FCSS J034003.4-352944 GiC 03 40 03.40 -35 29 44.0   19.3 18.4     ~ 5 0
138 LEDA 74860 LSB 03 40 04.7 -34 10 04   18.4       ~ 18 0
139 LEDA 74862 LSB 03 40 06.1 -36 14 01   19.6       ~ 15 0
140 LEDA 74864 LSB 03 40 09.8 -35 50 10   19.2       ~ 14 0
141 LEDA 74865 LSB 03 40 10.0 -34 26 48   17.2       ~ 16 0
142 LEDA 74869 LSB 03 40 17.2 -36 32 05   18.7       ~ 20 0
143 LEDA 13515 LSB 03 40 23.41 -35 16 32.8   16.20       ~ 38 2
144 LEDA 74873 GiC 03 40 27.0207791448 -36 29 56.047672320   16.5       ~ 25 0
145 LEDA 74877 LSB 03 40 30.70 -35 52 41.0   18.2       ~ 18 0
146 LEDA 74879 GiC 03 40 33.86 -35 01 21.4   15.73   15.54   ~ 42 0
147 LEDA 74884 LSB 03 40 42.46 -35 39 40.1   17.8       ~ 23 0
148 LEDA 74887 LSB 03 40 43.4 -35 51 39   18.7       ~ 14 0
149 LEDA 74890 GiC 03 40 49.8 -35 01 25   19.0       ~ 13 0
150 2MASX J03405042-3544534 GiC 03 40 50.4165381120 -35 44 54.385434708   15.74       ~ 38 0
151 LEDA 74899 LSB 03 41 00.77 -35 44 31.1   17.6       ~ 33 0
152 LEDA 74901 GiC 03 41 03.8 -34 57 15   20.1       ~ 13 0
153 LEDA 74902 LSB 03 41 04.0 -35 38 51   18.1       ~ 15 0
154 LEDA 74903 LSB 03 41 06.9 -35 41 26   19.6       ~ 17 0
155 LEDA 74905 LSB 03 41 07.3 -35 30 52   17.8       ~ 20 1
156 LEDA 13560 LSB 03 41 12.79 -35 09 29.8   17.0       ~ 24 1
157 LEDA 74910 LSB 03 41 21.4 -35 56 55   17.8       ~ 17 0
158 LEDA 74915 GiC 03 41 31.83 -35 35 20.9   16.16       ~ 21 0
159 ESO 358-51 EmG 03 41 32.607 -34 53 18.01   13.95   13.02 13.8 ~ 91 0
160 2MASX J03414141-3510119 GiC 03 41 41.410 -35 10 11.99   15.70       ~ 37 1
161 LEDA 74921 LSB 03 41 49.8 -36 37 49   18.3       ~ 12 0
162 LEDA 74923 GiC 03 41 57.5 -35 17 33   18.3       ~ 16 0
163 LEDA 176559 AG? 03 41 59.44 -35 20 56.2           ~ 15 1
164 LEDA 74929 LSB 03 42 06.3 -34 51 00   18.7       ~ 15 0
165 LEDA 74932 GiC 03 42 15.8 -34 27 21   18.8       ~ 11 0
166 LEDA 74933 GiC 03 42 17.2756218024 -35 32 26.556690480   16.26 16.31     ~ 38 0
167 LEDA 74934 GiC 03 42 19.1 -35 33 39   19.3 19.61     ~ 14 0
168 NGC 1427 GiG 03 42 19.4455150392 -35 23 33.169251120   11.89   10.44   ~ 281 0
169 NGC 1428 GiG 03 42 22.73 -35 09 14.4   13.77   12.49   ~ 112 0
170 LEDA 13615 LSB 03 42 26.3 -36 41 12   16.7       ~ 18 0
171 LEDA 74939 GiC 03 42 36.9 -35 57 21   18.6       ~ 15 0
172 LEDA 74940 LSB 03 42 38.6 -35 52 04   17.9       ~ 16 0
173 LEDA 74946 GiC 03 42 55.1 -35 20 37   19.0       ~ 13 0
174 ESO 358-54 GiG 03 43 02.19 -36 16 24.1   13.92   13.09   ~ 72 0
175 LEDA 74950 LSB 03 43 12.69 -34 38 35.0   18.1       ~ 17 0
176 LEDA 74951 LSB 03 43 13.5 -35 31 08   18.0 17.89     ~ 17 0
177 ESO 358-56 GiP 03 43 22.631 -33 56 25.30   15.58   14.33   ~ 57 0
178 LEDA 74952 GiC 03 43 23.1 -34 41 44   18.7       ~ 16 0
179 NGC 1436 GiG 03 43 37.0896438888 -35 51 11.004592644   12.49   11.16   ~ 128 0
180 LEDA 74957 GiC 03 43 39.7 -35 12 59   19.4       ~ 13 0
181 LEDA 74965 LSB 03 44 25.1 -35 51 24   17.6       ~ 17 0
182 LEDA 74967 LSB 03 44 30.1 -35 10 43   18.9       ~ 15 0
183 6dFGS gJ034432.9-351146 GiC 03 44 32.94 -35 11 44.8   15.90       ~ 27 0
184 LEDA 74969 GiC 03 44 39.3 -35 58 57   17.8       ~ 17 0
185 LEDA 74970 GiC 03 44 44.4004984152 -35 41 01.444886628   16.10       ~ 22 0
186 LEDA 74972 GiC 03 44 58.61 -36 53 41.0   17.1       ~ 13 0
187 LEDA 13749 GiC 03 44 59.9 -36 19 11   16.26       ~ 20 0
188 ESO 358-59 GiG 03 45 03.5753235792 -35 58 21.372259872   14.08   12.85   ~ 121 0
189 ESO 358-60 GiC 03 45 12.14 -35 34 15.3   15.86   15.46 16.6 ~ 73 0
190 2MASX J03451407-3656123 GiC 03 45 14.0920864008 -36 56 12.009885828   15.32       ~ 55 0
191 LEDA 74982 GiC 03 45 30.9 -34 30 20   18.8       ~ 16 0
192 6dFGS gJ034545.4-362046 GiC 03 45 45.40 -36 20 47.5   16.01   15.11   ~ 33 0
193 LEDA 74985 GiC 03 45 47.9 -35 03 40   17.7       ~ 14 0
194 ESO 358-61 Sy2 03 45 54.864 -36 21 24.93   13.98   12.78   ~ 84 0
195 LEDA 74987 GiC 03 46 08.2 -36 49 21   17.5       ~ 8 0
196 NGC 1460 GiG 03 46 13.7196390576 -36 41 47.015207664   13.52   12.12   ~ 71 0
197 ESO 358-63 Sy2 03 46 19.007 -34 56 36.83   12.57   12.3 11.9 ~ 118 0
198 LEDA 74990 GiC 03 46 33.4 -34 41 10   17.4       ~ 13 0
199 LEDA 74993 GiP 03 47 01.52 -36 26 14.9   16.3       ~ 28 0
200 LEDA 13839 GiC 03 47 08.17 -36 19 39.1   16.34       ~ 16 0
201 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6645 0

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