2011MNRAS.410.2679L

Query : 2011MNRAS.410.2679L

2011MNRAS.410.2679L - Mon. Not. R. Astron. Soc., 410, 2679-2689 (2011/February-1)

The ultraviolet upturn in brightest cluster galaxies.

LOUBSER S.I. and SANCHEZ-BLAZQUEZ P.

Abstract (from CDS):

This paper is part of a series devoted to the investigation of a large sample of brightest cluster galaxies (BCGs), their properties and the relationships between these properties and the properties of the host clusters. In this paper, we compare the stellar population properties derived from high signal-to-noise ratio, optical long-slit spectra with the Galaxy Evolution Explorer (GALEX) ultraviolet (UV) colour measurements for 36 nearby BCGs to understand the diversity in the most rapidly evolving feature in old stellar systems, the UV upturn. We investigate (1) the possible differences between the UV upturn of BCGs and that of a control sample of ordinary ellipticals in the same mass range, as well as possible correlations between the UV upturn and other general properties of the galaxies; (2) the possible correlations between the UV upturn and the properties of the host clusters and (3) the recently proposed scenarios where helium sedimentation in the cluster centre can produce an enhanced UV upturn. We find systematic differences between the UV colours of BCGs and ordinary ellipticals, but we do not find correlations between these colours and the properties of the host clusters. Furthermore, the observations do not support the predictions made by the helium-sedimentation model as an enhancer of the UV upturn.

Abstract Copyright: 2010 The Authors. Journal compilation2010 RAS

Journal keyword(s): galaxies: elliptical and lenticular, cD - galaxies: evolution - galaxies: stellar content - ultraviolet: galaxies

Simbad objects: 108

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Number of rows : 108
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 ACO 119 ClG 00 56 08.57 -01 12 00.8           ~ 577 2
2 Z 384-34 BiC 00 56 16.101 -01 15 19.77   14.40 14.45     ~ 82 1
3 NGC 315 LIN 00 57 48.88334410 +30 21 08.8119345 12.80 12.20 11.16 11.26   ~ 869 2
4 MCG-04-03-044 rG 01 02 41.43 -21 52 41.8   14.54 15.1 12.94   ~ 77 3
5 ACO 133 ClG 01 02 41.5 -21 52 53           ~ 391 1
6 ACO 2877 ClG 01 09 49.3 -45 54 02           ~ 160 2
7 IC 1633 rG 01 09 55.5490585560 -45 55 52.102562844   12.23       ~ 93 3
8 ZwCl 0120+3300 ClG 01 23 36.9 +33 15 03           ~ 80 0
9 NGC 507 rG 01 23 39.950 +33 15 22.22   13.0       ~ 459 1
10 ACO 189 ClG 01 23 40.4 +01 38 38           ~ 103 1
11 NGC 533 rG 01 25 31.4074984248 +01 45 33.236656812   13.1 14.11     ~ 237 1
12 NGC 541 AGN 01 25 44.3069825040 -01 22 46.086331044 13.42 13.03 12.08     ~ 219 2
13 ACO 194 ClG 01 26 01.3 -01 22 02           ~ 363 2
14 NGC 584 Sy2 01 31 20.7231919800 -06 52 04.770287472 11.93 11.44 10.48     ~ 417 2
15 NGC 821 AG? 02 08 21.1358498040 +10 59 41.832436704   12.210 11.310 10.739 9.744 ~ 592 0
16 NGC 1399 rG 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1636 1
17 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
18 NGC 1453 EmG 03 46 27.2307890592 -03 58 07.831476768   13   11.30   ~ 189 0
19 MCG-06-10-002 rG 04 13 58.7325830136 -38 05 50.064366876   15.19   13.40   ~ 33 0
20 RXC J0413.9-3805 ClG 04 13 58.8 -38 05 53           ~ 24 0
21 ACO S 479 ClG 04 37 45 -51 26.1           ~ 5 0
22 ESO 202-43 BiC 04 37 47.655 -51 25 23.32   14.19   12.48   ~ 24 0
23 MCG-03-13-025 BiC 04 54 52.262 -18 06 56.12   13.34   11.64   ~ 66 1
24 CAN 28 ClG 04 54 52.318 -18 06 56.52           ~ 32 0
25 CAN 27 ClG 04 58.8 -00 28           ~ 12 0
26 NGC 1713 Sy2 04 58 54.6092804904 -00 29 20.290542972   13.88       ~ 65 0
27 ACO 548 ClG 05 47 01.7 -25 36 59           B8 209 2
28 MCG-04-14-033 BiC 05 48 38.3525613720 -25 28 40.090047312   14.02       ~ 41 0
29 NGC 2329 rG 07 09 08.0049393360 +48 36 55.726108020   13.7 13.99     ~ 143 3
30 NGC 2300 AG? 07 32 20.486 +85 42 31.90   12.2       ~ 346 0
31 NGC 2693 GiG 08 56 59.2620417624 +51 20 50.738224092 13.45 12.84 11.88     ~ 137 1
32 MCG-02-24-007 LIN 09 18 05.66848602 -12 05 43.8060823   14.38 14.8     ~ 1077 1
33 ACO 780 ClG 09 18 30 -12 15.7           ~ 469 0
34 NGC 2832 LIN 09 19 46.853 +33 44 59.07   13.3 13.17     ~ 274 3
35 ACO 779 ClG 09 20 02.70 +33 45 29.7           ~ 261 0
36 NGC 3115 GiG 10 05 13.9270507008 -07 43 06.982712292   11   9.37   ~ 1067 2
37 MCG-01-27-002 BiC 10 20 26.587 -06 31 34.71   15.223   13.874   ~ 26 0
38 ACO 978 ClG 10 20 26.66 -06 31 37.5           ~ 126 1
39 NAME Hydra I Cluster ClG 10 36 36.0 -27 31 04           ~ 905 1
40 NGC 3311 EmG 10 36 42.821 -27 31 42.02   11.93 10.93 10.00 9.67 ~ 310 2
41 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1504 0
42 NGC 3608 LIN 11 16 58.967 +18 08 54.71   11.7       ~ 527 0
43 NGC 3665 GiG 11 24 43.630 +38 45 46.05 13.71 13.26 11.62     ~ 364 1
44 NGC 3842 BiC 11 44 02.155 +19 56 59.37 14.22 13.70 11.82 12.04   ~ 308 3
45 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1127 1
46 NGC 4261 LIN 12 19 23.2160630 +05 49 29.700024   13.92 12.87     ~ 1290 0
47 NGC 4278 LIN 12 20 06.8242 +29 16 50.722 11.54 11.09 10.16     ~ 988 2
48 NGC 4365 GiG 12 24 28.228 +07 19 03.07   11.5       ~ 871 0
49 M 84 Sy2 12 25 03.74333 +12 53 13.1393 12.67 12.09 10.49     ~ 1841 2
50 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2174 2
51 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
52 M 89 Sy2 12 35 39.80733343 +12 33 22.8308657 11.29 10.73 9.75     ~ 1037 2
53 Z 159-43 GiG 12 39 18.9012835104 +27 46 24.663003852   15.3       ~ 44 0
54 M 104 LIN 12 39 59.43185902 -11 37 22.9961800 9.51 9.55 8.00 8.05   ~ 1465 2
55 M 59 GiG 12 42 02.2581375168 +11 38 48.909507756   11.0       ~ 721 0
56 M 60 GiC 12 43 39.9708251934 +11 33 09.688174067   10.3       ~ 1395 1
57 NGC 4839 BiC 12 57 24.3563164776 +27 29 52.203087132 13.56 13.02 12.06     ~ 482 3
58 NGC 4842A LIN 12 57 35.8534614792 +27 29 35.689996896   14.9       ~ 87 0
59 IC 3959 GiG 12 59 08.2121809416 +27 47 02.945321736 15.56 15.2 14.03 13.771 13.064 ~ 143 0
60 NGC 4864 GiG 12 59 13.129 +27 58 36.91 15.338 14.8 13.872 13.321 12.594 ~ 136 0
61 NGC 4867 GiG 12 59 15.2505719952 +27 58 14.616353712 15.60 15.5 14.14 13.969 13.213 ~ 129 0
62 NGC 4865 EmG 12 59 19.8737739096 +28 05 03.488821044 15.06 14.6 13.692 13.131 12.443 ~ 115 0
63 IC 3973 AG? 12 59 30.8230953864 +27 53 03.142254372 15.50 15.2 14.03 13.802 13.114 ~ 112 0
64 NGC 4874 LIN 12 59 35.7093764280 +27 57 33.293892204 13.01 13.7 12.71 12.27 11.386 ~ 814 3
65 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
66 NGC 4889 EmG 13 00 08.097 +27 58 37.29 12.93 13.0 11.30 11.652 10.906 ~ 742 1
67 NGC 4908 LIN 13 00 51.5428778808 +28 02 34.346182596 15.05 14.9 13.58 13.273 12.566 ~ 125 0
68 IC 4051 EmG 13 00 54.4630403184 +28 00 27.502143300 15.04 14.8 13.50 13.003 12.305 ~ 218 0
69 MCG-05-32-026 rG 13 27 56.884 -31 29 43.71   13.88 15 12.24 12.76 ~ 88 2
70 ACO 3558 ClG 13 28 03.2 -31 31 35           ~ 476 2
71 2MASX J13530637+0508586 BiC 13 53 06.3979419960 +05 08 59.034710652   15.30       ~ 37 1
72 ACO 1809 ClG 13 53 07.68 +05 08 32.7           ~ 179 0
73 NGC 5796 GiP 14 59 24.115 -16 37 26.55   13   11.37   ~ 118 0
74 NGC 5812 EmG 15 00 55.708 -07 27 26.33   12   11.19   ~ 164 0
75 NGC 5813 LIN 15 01 11.2302420864 +01 42 07.141569696 12.00 11.45 10.46 10.06   ~ 673 2
76 NGC 5846 rG 15 06 29.253 +01 36 20.29   11.9   9.74   ~ 891 2
77 NGC 5854 GiG 15 07 47.6993537544 +02 34 07.059522288   13.1   11.23   ~ 155 0
78 ACO 2029 ClG 15 10 54.2 +05 44 23           ~ 1020 0
79 IC 1101 rG 15 10 56.100 +05 44 41.19   15.10       ~ 165 2
80 ACO 2147 ClG 16 02 11.96 +15 55 11.5           ~ 416 0
81 Z 108-73 rG 16 02 17.0257413888 +15 58 28.670337876   14.9       ~ 95 0
82 NGC 6034 Sy2 16 03 32.08333486 +17 11 55.3098953   15.2       ~ 105 1
83 ACO 2151 ClG 16 05 15.0 +17 44 55           ~ 594 3
84 ACO 2162 ClG 16 12 30.0 +29 32 23           ~ 149 0
85 NGC 6086 LIN 16 12 35.5357829352 +29 29 05.246712168   14.8       ~ 202 1
86 NGC 6125 AG? 16 19 11.5344941208 +57 59 02.863041504   13.0       ~ 106 0
87 NGC 6160 rG 16 27 41.122 +40 55 37.08   14.8       ~ 73 0
88 ACO 2197 ClG 16 27 48.01 +40 58 04.5           ~ 290 0
89 ACO 2199 ClG 16 28 34.5 +39 32 26           ~ 1206 1
90 NGC 6166 Sy2 16 28 38.24470063 +39 33 04.2335319   12.78 11.78     ~ 793 2
91 NGC 6173 LIN 16 29 44.8864037664 +40 48 41.890972320   14.0       ~ 180 0
92 NGC 6269 rG 16 57 58.1011343880 +27 51 15.883449192   14.4 13.73     ~ 109 1
93 AWM 5 ClG 16 58 00.8 +27 51 16     14.00     ~ 66 0
94 NGC 7012 GiG 21 06 45.5157195024 -44 48 52.793246088   13.67   12.03   ~ 22 0
95 ACO S 921 ClG 21 06 49 -44 49.9           ~ 8 0
96 NGC 7052 rG 21 18 33.0441963648 +26 26 49.174586196 15.52 14.85 13.09     ~ 348 1
97 ACO S 1065 ClG 22 49 19 -37 29.1           ~ 15 1
98 MCG-06-50-003 rG 22 49 22.6378378728 -37 28 18.228688608   13.76 15.0 12.50   ~ 34 1
99 NGC 7597 GiG 23 18 30.2155492104 +18 41 20.556703500   15.3       ~ 43 0
100 ACO 2572 ClG 23 18 31.2 +18 41 52           ~ 142 1
101 NGC 7647 BiC 23 23 57.4310112528 +16 46 38.141670936   14.61 14.45     ~ 79 0
102 ACO 2589 ClG 23 24 00.5 +16 49 29           ~ 327 1
103 NGC 7649 rG 23 24 20.087 +14 38 49.68   15.65       ~ 62 1
104 ACO 2593 ClG 23 24 27.15 +14 33 40.2           ~ 231 0
105 ACO 2666 ClG 23 50 56.2 +27 08 41           ~ 204 0
106 NGC 7768 BiC 23 50 58.5485212104 +27 08 50.446633668   14.0 14.23     ~ 198 0
107 ACO 2670 ClG 23 54 10.51 -10 23 06.8           ~ 364 0
108 2MASX J23541371-1025084 LIN 23 54 13.6827414192 -10 25 08.481024912   15.32       ~ 55 2

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