2011ApJ...726...69A

Query : 2011ApJ...726...69A

2011ApJ...726...69A - Astrophys. J., 726, 69 (2011/January-2)

Evolution of brightest cluster galaxy structural parameters in the last ∼6 gyr: feedback processes versus merger events.

ASCASO B., AGUERRI J.A.L., VARELA J., CAVA A., BETTONI D., MOLES M. and D'ONOFRIO M.

Abstract (from CDS):

We present results on the evolution of the structural parameters of two samples of brightest cluster galaxies (BCGs) in the last 6 Gyr. The nearby sample of BCGs consists of 69 galaxies from the WINGS survey spanning a redshift range of 0.04 < z < 0.07. The intermediate-redshift (0.3 < z < 0.6) sample is formed by 20 BCGs extracted from the Hubble Space Telescope archive. Both samples have similar spatial resolution and their host clusters have similar X-ray luminosities. We report an increase in the size of the BCGs from intermediate to local redshift. However, we do not detect any variation in the Sérsic shape parameter in both samples. These results prove to be robust since the observed tendencies are model independent. We also obtain significant correlations between some of the BCG parameters and the main properties of the host clusters. More luminous, larger, and centrally located BCGs are located in more massive and dominant galaxy clusters. These facts indicate that the host galaxy cluster has played an important role in the formation of their BCGs. We discuss the possible mechanisms that can explain the observed evolution of the structural parameters of the BCGs. We conclude that the main mechanisms that can explain the increase in size and the non-evolution in the Sérsic shape parameter of the BCGs in the last 6 Gyr are feedback processes. This result disagrees with semi-analytical simulation results supporting the idea that merging processes are the main mechanism responsible for the evolution of the BCGs up until the present epoch.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - galaxies: elliptical and lenticular, cD - galaxies: evolution - galaxies: fundamental parameters

Nomenclature: Table 2 (priv. comm.): [AAV2011] JHHMMSS.sss+DDMMSS.ss N=20.

Simbad objects: 193

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Number of rows : 193
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 2717 ClG 00 03 12.9 -35 56 13           ~ 146 0
2 MCG-06-01-017 BiC 00 03 12.9715299264 -35 56 13.566755472   14.66   13.06   ~ 33 1
3 ACO 2734 ClG 00 11 21.60 -28 51 16.6           ~ 156 0
4 MCG-05-01-040 Sy1 00 11 21.667 -28 51 15.85   14.30 10.08 12.77   ~ 38 1
5 ACO 85 ClG 00 41 36.21 -09 19 30.4           ~ 974 0
6 MCG-02-02-086 rG 00 41 50.45002 -09 18 11.4633   14 13.52 12.94   ~ 154 1
7 ACO 119 ClG 00 56 08.57 -01 12 00.8           ~ 577 2
8 Z 384-34 BiC 00 56 16.101 -01 15 19.77   14.40 14.45     ~ 82 1
9 ClG 0055-2754 ClG 00 56 56.8 -27 40 29   21.9       ~ 86 0
10 [AAV2011] J005656.979-274029.87 BiC 00 56 56.979 -27 40 29.87           ~ 3 0
11 NGC 326B GiG 00 58 22.8697982283 +26 51 52.382452077           ~ 7 0
12 BAX 014.7298+26.9591 ClG 00 58 54.2 +26 57 03           ~ 26 0
13 MCG-04-03-044 rG 01 02 41.43 -21 52 41.8   14.54 15.1 12.94   ~ 77 3
14 ACO 133 ClG 01 02 41.5 -21 52 53           ~ 391 1
15 ACO 147 ClG 01 08 10 +02 10.0           ~ 117 0
16 Z 385-4 BiC 01 08 12.0354350976 +02 11 37.942638648   15.5       ~ 28 0
17 IC 77 rG 01 08 51.1070161776 -15 24 22.832614044   14.60   12.92   ~ 17 1
18 ACO 151 ClG 01 08 52.3 -15 25 01           ~ 199 1
19 BAX 017.5750+19.6397 ClG 01 10 18.0 +19 38 23           ~ 19 0
20 [AAV2011] J011018.215+193819.43 BiC 01 10 18.2062241448 +19 38 18.998957508           ~ 5 0
21 Z 436-12 LIN 01 12 59.579 +15 29 28.71     15.7     ~ 91 1
22 ACO 160 ClG 01 12 59.98 +15 30 05.3           ~ 181 0
23 Z 385-48 rG 01 14 57.5962100328 +00 25 50.962053144   15.5 13.9     ~ 80 1
24 ACO 168 ClG 01 15 07.58 +00 19 10.8           ~ 379 2
25 ACO 193 ClG 01 25 07.3 +08 41 36           ~ 192 0
26 IC 1695 rG 01 25 07.645 +08 41 57.68   14.87       ~ 68 1
27 BAX 028.5617-59.6300 ClG 01 54 12.5 -59 37 33           ~ 13 0
28 [AAV2011] J015415.703-593837.50 BiC 01 54 15.703 -59 38 37.50           ~ 1 0
29 ACO 311 ClG 02 09 10 +19 43.2           ~ 46 0
30 MCG+03-06-037 BiC 02 09 28.3977997536 +19 46 35.809840488   15       ~ 15 0
31 ACO 376 ClG 02 45 48 +36 51.6           B8.5 161 1
32 MCG+06-07-004 BiC 02 46 03.9460542576 +36 54 18.840411612   15.50       ~ 46 1
33 ACO 3128 ClG 03 29 50.6 -52 34 48           ~ 183 3
34 2MASX J03295060-5234471 BiC 03 29 50.6235630888 -52 34 47.520648516   15.98 14.83 14.16   ~ 28 0
35 ACO 3158 ClG 03 43 07.5 -53 38 09           ~ 327 0
36 LEDA 13679 BiC 03 43 29.681 -53 41 31.69   15.76       ~ 22 0
37 ACO 3164 ClG 03 46 16.8 -57 02 11           ~ 47 0
38 2MASXI J0431133-612712 BiC 04 31 13.2952313064 -61 27 12.013455636   15.30   13.60   ~ 30 1
39 ACO 3266 ClG 04 31 26.4 -61 25 17           ~ 447 0
40 2MASX J04385250-2206391 BiC 04 38 52.5262328136 -22 06 39.072646080   16.23 15.14     ~ 13 0
41 ACO 500 ClG 04 38 55.0 -22 05 55           ~ 89 0
42 ClG J0522-3624 ClG 05 22 13.8 -36 24 49           ~ 41 0
43 [AAV2011] J052215.463-362456.01 BiC 05 22 15.463 -36 24 56.01           ~ 1 0
44 [FMV2006] A548b ClG 05 45 28 -25 55.0           ~ 6 0
45 MCG-04-14-022c BiC 05 45 29.5 -25 55 57   14.11       ~ 23 0
46 MCG-07-13-003 BiC 06 00 41.120 -40 02 39.82   14.66   12.93   ~ 48 1
47 ACO 3376 ClG 06 01 25.000 -39 59 51.00           ~ 334 0
48 ACO 3395 ClG 06 27 31.1 -54 23 58           ~ 229 0
49 ESO 161-8 BiC 06 27 36.2649635808 -54 26 57.926377896   15.02   12.72   ~ 37 0
50 4C 53.16 rG 07 16 41.2170214056 +53 23 09.555141120   14.55 14.0     ~ 55 1
51 ZwCl 0712+5334 ClG 07 16 42.6 +53 24 28           ~ 29 0
52 ACO 602 ClG 07 53 23.51 +29 20 20.3           ~ 80 0
53 2MASX J07532661+2921341 BiC 07 53 26.5903625208 +29 21 34.034236596           ~ 19 1
54 SDSS J082609.06+262506.4 BiC 08 26 09.039 +26 25 06.13           ~ 2 0
55 BAX 126.5267+26.4297 ClG 08 26 09.6 +26 24 54           ~ 13 0
56 IC 2378 BiC 08 28 31.64433 +30 25 52.7798   15.3       ~ 57 0
57 ACO 671 ClG 08 28 48.68 +30 27 07.0           ~ 168 0
58 BAX 130.2808+64.3786 ClG 08 41 07.4 +64 22 41           ~ 15 0
59 [AAV2011] J084107.643+642226.20 BiC 08 41 07.643 +64 22 26.20           ~ 2 0
60 ClG J0847+3449 ClG 08 47 11.3 +34 49 16           ~ 27 0
61 [AAV2011] J084711.786+344851.77 BiC 08 47 11.716 +34 48 52.23           ~ 3 0
62 2MASX J09083238-0937470 BiC 09 08 32.388 -09 37 47.06   14.32   13.32   ~ 41 2
63 ACO 754 ClG 09 09 14.8 -09 40 35           ~ 695 1
64 MCG-02-24-007 LIN 09 18 05.66848602 -12 05 43.8060823   14.38 14.8     ~ 1077 1
65 ACO 780 ClG 09 18 30 -12 15.7           ~ 469 0
66 ClG J0926+1242 ClG 09 26 36.6 +12 42 59           ~ 43 0
67 [AAV2011] J092636.706+124303.83 BiC 09 26 36.666 +12 43 04.06           ~ 5 0
68 [AAV2011] J095751.232+653425.03 BiC 09 57 51.232 +65 34 25.03           ~ 1 0
69 BAX 149.4717+65.5750 ClG 09 57 53.2 +65 34 30           ~ 16 0
70 NGC 3099 LIN 10 02 36.5352336744 +32 42 24.230041668   15.4       ~ 37 0
71 ZwCl 0959+3257 ClG 10 02 42.16 +32 43 37.2           ~ 41 0
72 Z 8-75 BiC 10 13 38.2582731024 -00 55 31.510821720   13.68       ~ 71 2
73 ACO 957 ClG 10 14 02.35 -00 53 30.0           ~ 225 2
74 [AAV2011] J101508.446+493150.79 BiC 10 15 08.446 +49 31 50.79           ~ 1 0
75 [VMF98] 88 ClG 10 15 08.5 +49 31 32           ~ 11 0
76 2MASX J10172568-1041206 BiC 10 17 25.6982425920 -10 41 20.293861056   15.58   15.11   ~ 12 0
77 ACO 970 ClG 10 17 34.3 -10 42 01           ~ 93 0
78 BAX 155.5304+38.5153 ClG 10 22 18.24 +38 32 39.6           ~ 63 0
79 NGC 3219 rG 10 22 37.4145692616 +38 34 44.915885220   15.4       ~ 38 0
80 MCG-01-27-030 BiC 10 39 43.4485294608 -08 41 12.993909792   15   13.50   ~ 24 0
81 ACO 1069 ClG 10 39 54.3 -08 36 40           ~ 116 1
82 [AAV2011] J111711.238+174400.55 BiC 11 17 11.238 +17 44 00.55           ~ 2 0
83 BAX 169.3000+17.7400 ClG 11 17 12.0 +17 44 24           ~ 11 0
84 ZwCl 1120+1425 ClG 11 23 10.6 +14 09 40           ~ 13 0
85 NVSS J112310+140841 rG 11 23 10.915 +14 08 37.05           ~ 10 0
86 ACO 1291 ClG 11 32 11.20 +56 01 31.3           ~ 135 0
87 MCG+09-19-110 rG 11 32 23.1982889568 +55 58 02.686512072   17.7       ~ 36 2
88 ACO 3490 ClG 11 45 19.6 -34 25 59           ~ 55 1
89 LEDA 156984 EmG 11 45 20.1558692688 -34 25 59.256355692   15.29 16.0 13.79   ~ 28 1
90 2MASX J11594630-3131421 BiC 11 59 46.3019350368 -31 31 41.658492324   16.5       ~ 9 0
91 ACO 3497 ClG 12 00 03 -31 23.7           ~ 42 0
92 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
93 [FMV2006] A1631a ClG 12 52 52 -15 24.0           ~ 17 0
94 2MASXI J1253183-153203 BiC 12 53 18.3890577984 -15 32 04.004526732   14.3508921 13.6543922 13.47   ~ 30 0
95 BAX 193.5900-29.0100 ClG 12 54 22.1 -29 00 46           ~ 45 0
96 ESO 443-4 rG 12 54 22.2141014424 -29 00 46.515592764   14.53   12.93 13.62 ~ 49 1
97 BAX 193.6700-29.2254 ClG 12 54 40.6 -29 13 44           ~ 76 0
98 MCG-05-31-001 BiC 12 54 41.005 -29 13 39.74   14.47   12.75   ~ 52 1
99 ESO 443-11 BiC 12 55 35.9957598792 -30 20 51.181245204   14.34   12.56 13.63 ~ 19 0
100 ACO 3530 ClG 12 55 36.0 -30 20 49           ~ 109 0
101 2MASX J12571157-1724344 LIN 12 57 11.580 -17 24 34.47   13.50   12.56   ~ 62 2
102 ACO 1644 ClG 12 57 11.6 -17 24 34           ~ 391 1
103 ACO 3532 ClG 12 57 19.2 -30 22 13           ~ 185 2
104 PKS 1254-300 rG 12 57 21.9653668728 -30 21 49.024048752   15.05   14.20 13.87 ~ 44 1
105 IC 4130 LIN 13 03 46.5967721784 +19 16 17.468252544   15.42 14.30     ~ 52 2
106 ACO 1668 ClG 13 04 00.60 +19 17 09.6           ~ 132 0
107 ACO 3556 ClG 13 24 06.2 -31 39 38           ~ 159 0
108 MCG-05-32-007 rG 13 24 06.7145431752 -31 40 11.559586800   14.31   12.66 13.17 ~ 45 0
109 MCG-04-32-016 EmG 13 26 44.1102601752 -27 26 21.486264792   13.98   12.66 12.95 ~ 50 1
110 ACO 1736 ClG 13 26 52.1 -27 06 33           ~ 268 2
111 MCG-05-32-026 rG 13 27 56.884 -31 29 43.71   13.88 15 12.24 12.76 ~ 88 2
112 ACO 3558 ClG 13 28 03.2 -31 31 35           ~ 476 2
113 ACO 3560 ClG 13 32 23.7 -33 08 21           ~ 145 1
114 2MASX J13322574-3308100 GiP 13 32 25.7642932824 -33 08 09.434725800   15.42   14.22 14.08 ~ 16 1
115 ACO 3562 ClG 13 33 31.8 -31 40 23           ~ 337 1
116 ACO 1795 ClG 13 48 47.4 +26 34 55           ~ 1330 0
117 Z 162-10 LIN 13 48 52.4892734448 +26 35 34.353002688   14.0       ~ 241 2
118 ClG J1354-0221 ClG 13 54 17.00 -02 22 13.1           ~ 52 0
119 [AAV2011] J135417.193-022159.15 BiC 13 54 17.204 -02 21 59.00           ~ 6 0
120 Z 162-41 BiC 13 59 15.0948648024 +27 58 34.489609500   12.7       ~ 31 1
121 ACO 1831 ClG 13 59 19.42 +27 58 08.2           ~ 166 0
122 MCG+03-38-044 BiC 14 52 55.3114274784 +16 42 10.348432632   15       ~ 37 0
123 ACO 1983 ClG 14 52 59.33 +16 46 11.0           ~ 249 1
124 NGC 5778 rG 14 54 31.4984540808 +18 38 32.499862620   15.6       ~ 68 3
125 ACO 1991 ClG 14 54 41.53 +18 38 08.4           ~ 349 1
126 ACT-CL J1521.8+0742 ClG 15 21 48.8 +07 43 41     15.13     ~ 326 0
127 NGC 5920 LIN 15 21 51.870 +07 42 31.97   15.5       ~ 137 1
128 ACO 2107 ClG 15 39 39.04 +21 46 57.8           ~ 270 0
129 Z 136-44 BiC 15 39 39.049 +21 46 57.98   14.76       ~ 70 2
130 BAX 235.2221+14.7594 ClG 15 40 53.3 +14 45 34           ~ 16 0
131 [AAV2011] J154053.969+144555.62 BiC 15 40 53.917 +14 45 56.39           ~ 7 0
132 ACO 2122 ClG 15 44 55.93 +36 06 05.2           ~ 243 0
133 MCG+06-35-003 BiC 15 44 59.0328765384 +36 06 33.995660976   14.54       ~ 44 1
134 ACO 2149 ClG 16 00 53.08 +53 56 57.6           ~ 79 0
135 MCG+09-26-047 rG 16 01 28.0904219760 +53 56 50.536677588   16       ~ 39 1
136 2MASX J16135804+4911228 BiC 16 13 58.0787970984 +49 11 22.551855180           ~ 29 0
137 ACO 2169 ClG 16 13 59.22 +49 07 07.2           ~ 64 0
138 BAX 250.6621+39.5981 ClG 16 42 38.9 +39 35 53           ~ 16 0
139 [AAV2011] J164239.101+393609.62 BiC 16 42 39.101 +39 36 09.62           ~ 2 0
140 ACO 2256 ClG 17 03 37.5 +78 37 23           ~ 928 1
141 Z 355-27 rG 17 04 27.246 +78 38 26.03   15.5       ~ 32 1
142 ACO 2271 ClG 17 17 17.5 +78 01 00           ~ 70 0
143 Z 355-30 BiC 17 18 16.6274800536 +78 01 06.261594276   15.7       ~ 19 0
144 Z 199-7 BiC 17 40 32.0682994200 +35 38 45.922755480   15.4       ~ 17 0
145 BAX 265.1346+35.6492 ClG 17 40 32.7 +35 38 51           ~ 36 0
146 ZwCl 1810+4949 ClG 18 11 00.1 +49 54 40     14.8     ~ 60 0
147 MCG+08-33-030 BiC 18 11 05.1659834232 +49 54 33.291585684   16       ~ 22 0
148 IC 4965 rG 20 12 27.3267265824 -56 49 36.418283220   14.42   13.17   ~ 34 1
149 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 676 1
150 ACO 3716 ClG 20 51 16.7 -52 41 43           ~ 123 1
151 ESO 187-26 BiC 20 51 56.9381236368 -52 37 46.981121304   14.42   12.72   ~ 39 0
152 1AXG J205950-4245 ClG 20 59 50.7 -42 45 38           ~ 13 0
153 [AAV2011] J205954.916-424532.17 BiC 20 59 54.916 -42 45 32.17           ~ 1 0
154 [AAV2011] J210851.170-051658.41 BiC 21 08 51.170 -05 16 58.41           ~ 1 0
155 [VMF98] 200 ClG 21 08 51.2 -05 16 49           ~ 14 0
156 Z 375-15 BiC 21 13 55.918 +02 33 55.39   15.1       ~ 67 1
157 IC 1365 GrG 21 14 03.6958 +02 34 14.568           ~ 52 0
158 [AAV2011] J213954.182-430456.62 BiC 21 39 54.182 -43 04 56.62           ~ 1 0
159 BAX 324.9937-43.0872 ClG 21 39 58.5 -43 05 14           ~ 12 0
160 ACO 3809 ClG 21 46 57.5 -43 54 06           ~ 99 0
161 2MASXI J2146590-435356 BiC 21 46 59.0803326096 -43 53 56.322516120   15.96       ~ 22 0
162 2MASX J21515562-1542218 BiC 21 51 55.6190222040 -15 42 21.512459592   15.27 15.4039793 13.74   ~ 20 0
163 ACO 2382 ClG 21 51 57.2984 -15 36 48.067           ~ 122 0
164 NVSS J215702-075032 rG 21 57 01.71856 -07 50 22.5450   15.64   14.33   ~ 44 1
165 ACO 2399 ClG 21 57 19.01 -07 50 57.5           ~ 197 0
166 BAX 330.6871-19.0361 ClG 22 02 44.9 -19 02 10           ~ 16 0
167 [AAV2011] J220245.500-190221.07 BiC 22 02 45.500 -19 02 21.07           ~ 1 0
168 ACO 2415 ClG 22 05 25.0 -05 35 23           ~ 124 1
169 2MASX J22052614-0544310 BiC 22 05 26.1390242472 -05 44 31.224340140   15.59   14.22   ~ 14 0
170 ACO 3880 ClG 22 27 49.5 -30 34 40           ~ 104 2
171 PKS 2225-308 rG 22 27 54.4412209272 -30 34 31.727874288   15.63   13.850   ~ 46 1
172 ACO 2457 ClG 22 35 40.30 +01 31 33.6           ~ 139 0
173 2MASX J22354078+0129053 BiC 22 35 40.8012547920 +01 29 05.614773792   16.14 14.90     ~ 31 1
174 ZwCl 2307+0713 ClG 23 10 26.6 +07 35 13           ~ 60 0
175 NGC 7503 rG 23 10 42.2807650944 +07 34 03.752239404   14.9       ~ 76 1
176 NGC 7578A BiC 23 17 11.9559390840 +18 42 04.204742004   15.3   13.54   ~ 45 0
177 [FMV2006] A2572a ClG 23 17 13 +18 42.0           ~ 10 0
178 NGC 7647 BiC 23 23 57.4310112528 +16 46 38.141670936   14.61 14.45     ~ 79 0
179 ACO 2589 ClG 23 24 00.5 +16 49 29           ~ 327 1
180 NGC 7649 rG 23 24 20.087 +14 38 49.68   15.65       ~ 62 1
181 ACO 2593 ClG 23 24 27.15 +14 33 40.2           ~ 231 0
182 ClG J2328+1453 ClG 23 28 52.3 +14 52 43           ~ 25 0
183 SDSS J232852.30+145243.4 BiC 23 28 52.302 +14 52 43.40           ~ 5 0
184 ACO 2622 ClG 23 34 53 +27 25.6           ~ 93 0
185 4C 27.53A rG 23 35 01.4782510920 +27 22 20.679250476   15.28       ~ 50 1
186 WINGS J233630.49+210847.3 BiC 23 36 30.433 +21 08 45.60           ~ 6 0
187 ACO 2626 ClG 23 36 31.0 +21 09 36           ~ 265 0
188 ACO 2657 ClG 23 44 51.0 +09 08 40           ~ 280 3
189 Z 407-53 BiC 23 44 57.4174372704 +09 11 35.283893712   15.6       ~ 36 0
190 MCG+01-60-039 rG 23 50 50.5592379024 +06 08 58.563049920   15       ~ 36 1
191 ACO 2665 ClG 23 50 50.6 +06 09 00           ~ 106 0
192 MCG-06-01-008 QSO 23 57 00.7406438328 -34 45 32.994968292   13.89 13.26 12.19   ~ 131 2
193 ACO 4059 ClG 23 57 02.2 -34 45 58           ~ 400 1

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