2016MNRAS.462.4141L

Query : 2016MNRAS.462.4141L

2016MNRAS.462.4141L - Mon. Not. R. Astron. Soc., 462, 4141-4156 (2016/November-2)

The XXL survey XV: evidence for dry merger driven BCG growth in XXL-100-GC X-ray clusters.

LAVOIE S., WILLIS J.P., DEMOCLES J., ECKERT D., GASTALDELLO F., SMITH G.P., LIDMAN C., ADAMI C., PACAUD F., PIERRE M., CLERC N., GILES P., LIEU M., CHIAPPETTI L., ALTIERI B., ARDILA F., BALDRY I., BONGIORNO A., DESAI S., ELYIV A., FACCIOLI L., GARDNER B., GARILLI B., GROOTE M.W., GUENNOU L., GUZZO L., HOPKINS A.M., LISKE J., McGEE S., MELNYK O., OWERS M.S., POGGIANTI B., PONMAN T.J., SCODEGGIO M., SPITLER L. and TUFFS R.J.

Abstract (from CDS):

The growth of brightest cluster galaxies (BCGs) is closely related to the properties of their host cluster. We present evidence for dry mergers as the dominant source of BCG mass growth at z <= 1 in the XXL 100 brightest cluster sample. We use the global red sequence, Hα emission and mean star formation history to show that BCGs in the sample possess star formation levels comparable to field ellipticals of similar stellar mass and redshift. XXL 100 brightest clusters are less massive on average than those in other X-ray selected samples such as LoCuSS or HIFLUGCS. Few clusters in the sample display high central gas concentration, rendering inefficient the growth of BCGs via star formation resulting from the accretion of cool gas. Using measures of the relaxation state of their host clusters, we show that BCGs grow as relaxation proceeds. We find that the BCG stellar mass corresponds to a relatively constant fraction 1 per cent of the total cluster mass in relaxed systems. We also show that, following a cluster scale merger event, the BCG stellar mass lags behind the expected value from the Mcluster-MBCG relation but subsequently accretes stellar mass via dry mergers as the BCG and cluster evolve towards a relaxed state.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: clusters: general - galaxies: elliptical and lenticular, cD - galaxies: evolution - galaxies: interactions - X-rays: galaxies: clusters - X-rays: galaxies: clusters

VizieR on-line data: <CDS Catalogue: IX/49>

Nomenclature: Table A1: [LWD2016] XLSSC NNN BCG N=85.

Simbad objects: 170

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Number of rows : 170
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 SDSS J020140.97-050148.6 BiC 02 01 40.9786482048 -05 01 48.633457584           ~ 4 0
2 XLSSC 114 ClG 02 01 42 -05 01.9           ~ 11 0
3 [MFP2015] RCC J0202.7-0700 ClG 02 02 15 -07 00.5           ~ 8 0
4 MCG-01-06-032 rG 02 02 14.658 -07 00 29.47   16       ~ 14 0
5 NVSS J020353-050141 rG 02 03 53.022 -05 01 40.41           ~ 10 1
6 HSCS J020353-050140 ClG 02 03 54 -05 01.6           ~ 10 0
7 HSCS J020525-054356 ClG 02 05 24 -05 43.9           ~ 14 0
8 XLSSC 107 ClG 02 05 25 -07 35.6           ~ 11 0
9 DES J020524.99-073540.2 BiC 02 05 24.9919 -07 35 40.278           ~ 5 0
10 DES J020528.22-054356.7 BiC 02 05 28.2281438952 -05 43 56.755566696           ~ 5 0
11 SDSS J020611.39-061131.2 G 02 06 11.397 -06 11 31.21           ~ 2 0
12 HSCS J020613-061155 ClG 02 06 11.40 -06 11 29.2           ~ 13 0
13 XLSSC 093 ClG 02 06 48 -06 56.9           ~ 9 0
14 SDSS J020648.05-065649.8 BiC 02 06 48.05592 -06 56 49.8372           ~ 4 0
15 HSCS J020720-044931 ClG 02 07 20 -04 49.6           ~ 11 0
16 SDSS J020720.05-044930.9 BiC 02 07 20.05944 -04 49 30.9216           ~ 5 0
17 HSCS J020846-042625 ClG 02 08 46.40 -04 26 08.2           ~ 11 0
18 SDSS J020846.97-042551.4 BiC 02 08 46.97472 -04 25 51.4812           ~ 3 0
19 ACT-CL J0209.2-0620 ClG 02 09 11 -06 20.8           ~ 11 0
20 SDSS J020911.22-062043.2 BiC 02 09 11.22816 -06 20 43.2168           ~ 3 0
21 LEDA 1044358 BiC 02 10 02.2395413352 -05 28 04.204506432           ~ 7 0
22 XLSSC 112 ClG 02 10 03 -05 27.7           ~ 12 0
23 MCG-01-06-062 BiC 02 10 43.1648148576 -06 34 46.840871856   16   14.31   ~ 19 0
24 XLSSC 115 ClG 02 10 43 -06 35.3           ~ 8 0
25 DES J021056.40-061154.2 bCG 02 10 56.41 -06 11 54.3           ~ 5 0
26 ACT-CL J0210.9-0611 ClG 02 10 57.80 -06 11 56.8           ~ 20 0
27 DES J021102.92-061246.9 bCG 02 11 02.92 -06 12 46.9           ~ 4 0
28 XLSSC 084 ClG 02 11 04 -06 12.7           ~ 10 0
29 SDSS J021128.76-061146.9 bCG 02 11 28.764 -06 11 46.96           ~ 5 0
30 XLSSC 085 ClG 02 11 29 -06 11.8           ~ 12 0
31 XLSSC 111 ClG 02 12 26.80 -05 37 34.6           ~ 18 0
32 DES J021226.98-053735.6 BiC 02 12 26.9878 -05 37 35.609           ~ 4 0
33 SDSS J021227.46-060430.2 BiC 02 12 27.466 -06 04 30.23           ~ 6 0
34 XLSSC 098 ClG 02 12 28 -06 04.6           ~ 15 0
35 SDSS J021252.73-061212.1 BiC 02 12 52.73160 -06 12 12.1860           ~ 4 0
36 XLSSC 099 ClG 02 12 53 -06 12.1           ~ 10 0
37 ACT-CL J0213.3-0605 ClG 02 13 22 -06 05.9           ~ 14 0
38 SDSS J021322.24-060556.4 BiC 02 13 22.24992 -06 05 56.4504           ~ 2 0
39 ACO 329 ClG 02 14 40.900 -04 33 21.90           ~ 58 0
40 LEDA 174968 BiC 02 14 41.1024888528 -04 34 02.396452980   16.97   15.32   ~ 12 0
41 ACT-CL J0215.3-0343 ClG 02 15 23.99 -03 43 32.2           ~ 41 0
42 DES J021523.99-034332.0 BiC 02 15 24.0 -03 43 32           ~ 2 0
43 SDSS J021528.24-044041.2 BiC 02 15 28.2411745296 -04 40 41.218113216           ~ 6 0
44 ACT-CL J0215.4-0440 ClG 02 15 29 -04 40.9           ~ 25 0
45 SDSS J021612.14-041421.8 BiC 02 16 12.1371011160 -04 14 21.798560400           ~ 5 0
46 ACO 334 ClG 02 16 12.2 -04 14 31           ~ 21 0
47 RzCS 031 ClG 02 20 45.46 -03 25 59.7           ~ 26 0
48 SDSS J022045.49-032559.8 GiC 02 20 45.4942 -03 25 59.864           ~ 3 0
49 SDSS J022145.17-034602.1 BiC 02 21 45.17424 -03 46 02.1900           ~ 4 0
50 ACT-CL J0221.7-0346 ClG 02 21 45.8 -03 46 08           ~ 55 0
51 SDSS J022156.39-054531.6 BiC 02 21 56.3941856280 -05 45 31.659193044           ~ 7 0
52 HSCS J022156-054532 ClG 02 21 56 -05 45.4           ~ 23 0
53 HSCS J022207-030314 ClG 02 22 06.85 -03 03 14.5           ~ 20 0
54 SDSS J022206.86-030314.6 G 02 22 06.863 -03 03 14.61           ~ 2 0
55 RzCS 392 ClG 02 24 04.19 -04 13 26.6           ~ 47 0
56 VIDEO J022404.18-041326.55 BiC 02 24 04.188 -04 13 26.50           ~ 3 0
57 HSCS J022457-034853 ClG 02 24 57.1 -03 48 53           ~ 30 0
58 DES J022457.29-034852.9 AGN 02 24 57.297 -03 48 52.93           ~ 5 0
59 LEDA 3080370 EmG 02 25 16.4472555600 -05 53 13.210268928   15.74   14.40   ~ 11 0
60 XCLASS 341 ClG 02 25 17 -05 53.3           ~ 15 0
61 HSCS J022525-044045 ClG 02 25 24.6 -04 40 45       17.3   ~ 43 0
62 SDSS J022524.70-044045.1 rG 02 25 24.707 -04 40 45.12   19.80   19.044   ~ 13 0
63 XMDS 243 ClG 02 25 31 -04 14.3           ~ 39 0
64 2MASS J02253075-0414186 BiC 02 25 30.7675519224 -04 14 18.660906492           ~ 7 0
65 MARD J022536.2-030928 ClG 02 25 40.6 -03 11 21           ~ 22 0
66 LEDA 1074620 BiC 02 25 44.9287 -03 12 33.029           ~ 5 0
67 HSCS J022549-055346 ClG 02 25 48 -05 53.7           ~ 22 0
68 LEDA 1039156 BiC 02 25 49.294 -05 53 46.15           ~ 8 0
69 NPM1G -05.0105 EmG 02 26 09.6701490432 -04 58 05.640470580   16.11   14.75   ~ 28 0
70 XLSSC 011 ClG 02 26 10.60 -04 58 11.5           ~ 31 0
71 RzCS 768 ClG 02 27 22.39 -03 21 39.2           ~ 30 0
72 SDSS J022722.39-032139.5 GiC 02 27 22.399 -03 21 39.54           ~ 4 0
73 XLSSC 103 ClG 02 27 33 -05 57.7           ~ 14 0
74 SDSS J022732.80-055752.2 BiC 02 27 32.8071817464 -05 57 52.173143676           ~ 7 0
75 ACT-CL J0227.6-0317 ClG 02 27 38.20 -03 17 56.9           ~ 32 0
76 SDSS J022738.22-031757.3 BiC 02 27 38.223 -03 17 57.31           ~ 2 0
77 RzCS 180 ClG 02 27 40.3 -04 51 31           ~ 33 0
78 SDSS J022740.36-045131.0 AGN 02 27 40.361 -04 51 31.01           ~ 6 0
79 RzCS 185 ClG 02 28 03.4 -04 51 03           ~ 29 0
80 SDSS J022804.48-045059.6 BiC 02 28 04.48440 -04 50 59.6292           ~ 4 0
81 XLSSC 090 ClG 02 28 29 -04 51.4           ~ 11 0
82 LEDA 1052557 AGN 02 28 29.3280823776 -04 51 23.489526420           ~ 6 0
83 XLSSC 104 ClG 02 29 17.70 -05 53 45.9           ~ 18 0
84 SDSS J022918.88-055314.2 BiC 02 29 18.8893474392 -05 53 14.139650616           ~ 5 0
85 [MFP2015] XCC J0230.8-0421 ClG 02 30 53 -04 20.9           ~ 12 0
86 LEDA 1059477 BiC 02 30 53.0059472520 -04 20 52.016911476           ~ 6 0
87 SDSS J023141.17-045257.4 BiC 02 31 41.1785222928 -04 52 57.430193124           ~ 10 0
88 ACO 362 ClG 02 31 42.20 -04 52 53.1           ~ 59 0
89 ACT-CL J0233.6-0530 ClG 02 33 36.270 -05 30 34.52           ~ 23 0
90 DES J023339.80-053038.7 GiC 02 33 39.8019 -05 30 38.773           ~ 5 0
91 LEDA 429949 G 23 13 45.9616457184 -53 26 12.930996084           ~ 4 0
92 XLSSC 502 ClG 23 13 46 -53 26.3           ~ 6 0
93 LCS-CL J231520-5420.6 ClG 23 15 20 -54 20.7           ~ 7 0
94 LEDA 420356 G 23 15 20.2449441648 -54 20 39.188545944           ~ 2 0
95 XXL-AAOmega J231651.88-545356.0 G 23 16 51.8163812544 -54 53 56.822588988           ~ 2 0
96 ACT-CL J2316.9-5454 ClG 23 16 51.831 -54 53 56.75           ~ 23 0
97 SPT-CL J2317-5357 ClG 23 17 21 -53 57.7           ~ 8 0
98 WISE J231721.67-535740.5 BiC 23 17 21.7 -53 57 40           ~ 1 0
99 XLSSC 527 ClG 23 18 17 -55 59.0           ~ 7 0
100 LEDA 164567 EmG 23 18 17.6101810056 -55 59 02.718156516   16.03   14.79   ~ 7 0
101 XXL-AAOmega J231843.65-561212.3 G 23 18 43.7 -56 12 12           ~ 2 0
102 LCS-CL J231843-5612.2 ClG 23 18 44 -56 12.2           ~ 7 0
103 LCS-CL J231848-5617.1 ClG 23 18 48 -56 17.2           ~ 9 0
104 WISE J231848.79-561711.0 BiC 23 18 48.9 -56 17 11           ~ 1 0
105 PKS 2316-538 rG 23 19 15.7769888568 -53 31 59.404333872   16.64 17.5 15.25   ~ 15 1
106 XLSSC 544 ClG 23 19 16 -53 32.0           ~ 7 0
107 XBCS J231917.1-551928 ClG 23 19 17.1 -55 19 28           ~ 12 0
108 2MASX J23191712-5519284 G 23 19 17.1833805648 -55 19 28.023893112           ~ 4 0
109 XXL-AAOmega J231930.09-563858.1 G 23 19 30.0937410768 -56 38 58.500900132           ~ 2 0
110 SCSO J231930-563858 ClG 23 19 30 -56 38.9           ~ 7 0
111 LCS-CL J232026-5321.5 ClG 23 20 25 -53 21.5           ~ 7 0
112 GLEAM J232026-532124 rG 23 20 26.2 -53 21 31           ~ 3 1
113 XLSSC 517 ClG 23 21 48 -55 58.3           ~ 6 0
114 WISE J232147.82-555813.5 BiC 23 21 47.9 -55 58 13           ~ 1 0
115 ACO S 1115 ClG 23 22 00.40 -54 44 59.7           ~ 18 1
116 XXL-AAOmega J232200.47-544500.2 G 23 22 00.4666171560 -54 45 00.495449532           ~ 2 0
117 XLSSC 503 ClG 23 22 35 -52 44.8           ~ 6 0
118 XXL-AAOmega J232235.30-524449.6 G 23 22 35.3 -52 44 50           ~ 2 0
119 XXL-AAOmega J232535.77-544314.9 rG 23 25 35.8039007136 -54 43 15.011770512           ~ 3 0
120 BAX 351.4129-54.7331 ClG 23 25 39.0 -54 43 57           ~ 22 0
121 LEDA 164655 G 23 25 40.1666905464 -54 44 30.945210000   16.90   15.47   ~ 6 0
122 SCSO J232540.2-544430.9 ClG 23 25 40.20 -54 44 30.9           ~ 12 0
123 LCS-CL J232541-5316.6 ClG 23 25 42 -53 16.6           ~ 9 0
124 XXL-AAOmega J232542.64-531636.5 G 23 25 42.7 -53 16 36           ~ 2 0
125 2MASX J23261387-5318581 BiC 23 26 12.8922468720 -53 18 58.303233972           ~ 5 0
126 LCS-CL J232612-5318.9 ClG 23 26 13 -53 19.0           ~ 8 0
127 LCS-CL J232634-5501.9 ClG 23 26 33.60 -55 01 11.5           ~ 17 0
128 DES J232633.64-550111.3 rG 23 26 33.646 -55 01 11.40           ~ 4 0
129 SCSO J232653-524149 ClG 23 26 51 -52 41.6           ~ 7 0
130 6dFGS gJ232653.8-524149 G 23 26 53.8212810240 -52 41 49.723773144   17.11   15.19   ~ 5 0
131 SPT-CL J2328-5533 ClG 23 28 42.7 -55 33 58           ~ 15 0
132 DES J232842.96-553400.5 GiC 23 28 42.962 -55 34 00.59           ~ 3 0
133 XLSSC 550 ClG 23 28 49 -52 34.6           ~ 6 0
134 LEDA 441826 G 23 28 49.8959701440 -52 34 37.264209852   17.33   15.82   ~ 5 0
135 XLSSC 505 ClG 23 29 00 -52 14.3           ~ 6 0
136 ESO 192-3 rG 23 29 00.3580085328 -52 14 11.090263452   15.08   13.61   ~ 16 1
137 XLSSC 546 ClG 23 29 40 -53 14.9           ~ 6 0
138 WISE J232940.78-531456.7 BiC 23 29 40.8 -53 14 56           ~ 1 0
139 DES J232955.92-560808.3 GiC 23 29 55.9490401512 -56 08 08.676008340           ~ 3 0
140 LCS-CL J232955-5608.1 ClG 23 29 56.00 -56 08 08.3           ~ 16 0
141 LCS-CL J233000-5437.3 ClG 23 30 00.40 -54 37 07.7           ~ 17 0
142 LEDA 417664 rG 23 30 00.476 -54 37 06.97   17.81   16.29   ~ 6 0
143 LCS-CL J233147-5240.1 ClG 23 31 48 -52 40.1           ~ 7 0
144 XXL-AAOmega J233147.44-523956.6 G 23 31 47.5 -52 39 57           ~ 2 0
145 XBCS J233204.4-551243 ClG 23 32 04.4 -55 12 43           ~ 12 0
146 APMUKS (BJ) B232918.62-552918.2 G 23 32 04.6 -55 12 44           ~ 3 0
147 LCS-CL J233215-5442.1 ClG 23 32 15.50 -54 42 11.6           ~ 16 0
148 APMUKS (BJ) B232929.68-545847.0 rG 23 32 15.5112181080 -54 42 11.560501404           ~ 5 1
149 ACT-CL J2332.4-5358 ClG 23 32 26.70 -53 58 20.4           ~ 52 0
150 DES J233227.47-535827.9 rG 23 32 27.474 -53 58 27.96           ~ 7 0
151 WISE J233329.59-521513.8 BiC 23 33 29.6 -52 15 13           ~ 1 0
152 LCS-CL J233329-5215.2 ClG 23 33 30 -52 15.1           ~ 8 0
153 LCS-CL J233607-5352.5 ClG 23 36 07 -53 52.6           ~ 10 0
154 DES J233607.13-535235.6 GiC 23 36 07.133 -53 52 35.69           ~ 6 0
155 LCS-CL J233835-5437.4 ClG 23 38 35 -54 37.4           ~ 10 0
156 DES J233835.45-543727.0 GiC 23 38 35.4744389640 -54 37 27.118105140           ~ 3 0
157 LCS-CL J233928-5550.0 ClG 23 39 27 -55 50.6           ~ 9 0
158 XXL-AAOmega J233927.30-555026.2 G 23 39 27.4 -55 50 26           ~ 2 0
159 ACO 4027 ClG 23 41 43 -55 57.9           ~ 11 0
160 XXL-AAOmega J234143.89-555749.2 G 23 41 43.9 -55 57 49           ~ 2 0
161 DES J234231.41-562111.1 GiC 23 42 31.418 -56 21 11.11           ~ 3 0
162 LCS-CL J234231-5621.1 ClG 23 42 32 -56 21.2           ~ 10 0
163 LEDA 405172 G 23 43 11.0 -55 52 53           ~ 3 0
164 XLSSC 539 ClG 23 43 11 -55 52.9           ~ 7 0
165 DES J234548.91-540247.9 BiC 23 45 48.9 -54 02 48           ~ 1 0
166 LCS-CL J234548-5402.8 ClG 23 45 51 -54 02.6           ~ 7 0
167 XLSSC 510 ClG 23 50 09 -55 20.0           ~ 7 0
168 XXL-AAOmega J235009.48-551959.1 G 23 50 09.4 -55 19 59           ~ 2 0
169 LEDA 410062 G 23 51 00.5 -55 22 13           ~ 4 0
170 XLSSC 511 ClG 23 51 01 -55 22.3           ~ 8 0

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