2021A&A...649A..42C

Query : 2021A&A...649A..42C

2021A&A...649A..42C - Astronomy and Astrophysics, volume 649A, 42-42 (2021/5-1)

Physical properties of brightest cluster galaxies up to redshift 1.80 based on HST data.

CHU A., DURRET F. and MARQUEZ I.

Abstract (from CDS):


Context. Brightest cluster galaxies (BCGs) grow by accreting numerous smaller galaxies, and can be used as tracers of cluster formation and evolution in the cosmic web. However, there is still controversy regarding the main epoch of formation of BCGs; some authors believe they already formed before redshift z=2, while others find that they are still evolving at more recent epochs.
Aims. We study the physical properties of a large sample of BCGs covering a wide redshift range up to z=1.8 and analyzed in a homogeneous way, to see if their characteristics vary with redshift. As a first step we also present a new tool to determine for each cluster which galaxy is the BCG.
Methods. For a sample of 137 clusters with HST images in the optical and/or infrared, we analyzed the BCG properties by applying GALFIT with one or two Sersic components. For each BCG we thus computed the Sersic index, effective radius, major axis position angle, and surface brightness. We then searched for correlations of these quantities with redshift.
Results. We find that the BCGs follow the Kormendy relation (between the effective radius and the mean surface brightness), with a slope that remains constant with redshift, but with a variation with redshift of the ordinate at the origin. Although the trends are faint, we find that the absolute magnitudes and the effective radii tend to become respectively brighter and bigger with decreasing redshift. On the other hand, we find no significant correlation of the mean surface brightnesses or Sersic indices with redshift. The major axes of the cluster elongations and of the BCGs agree within 30° for 73% of our clusters at redshift z≤0.9.
Conclusions. Our results agree with the BCGs being mainly formed before redshift z=2. The alignment of the major axes of BCGs with their clusters agree with the general idea that BCGs form at the same time as clusters by accreting matter along the filaments of the cosmic web.

Abstract Copyright: © A. Chu et al. 2021

Journal keyword(s): galaxies: clusters: general - galaxies: bulges

VizieR on-line data: <Available at CDS (J/A+A/649/A42): table1.dat table2.dat table3.dat table4.dat refs.dat>

Simbad objects: 141

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Number of rows : 141
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 PSZSPT J0000-5748 ClG 00 01 00 -57 48.5           ~ 51 0
2 [NAM2006] J001832.8+162609 G 00 18 32.8 +16 26 10           ~ 3 0
3 ClG 0016+16 ClG 00 18 33.3 +16 26 36           ~ 502 0
4 SpARCS J003550-431224 ClG 00 35 50.0 -43 12 24           ~ 31 0
5 ACO 2813 ClG 00 43 32.377 -20 35 23.51           ~ 96 0
6 NAME XMMU J0044.0-2033 ClG 00 44 05.20 -20 33 59.7           ~ 37 0
7 ClG 0055-2754 ClG 00 56 56.8 -27 40 29   21.9       ~ 84 0
8 [AAV2011] J005656.979-274029.87 BiC 00 56 56.979 -27 40 29.87           ~ 3 0
9 ACT-CL J0102-4915 ClG 01 02 52.50 -49 14 58.0           ~ 229 0
10 BAX 017.5750+19.6397 ClG 01 10 18.0 +19 38 23           ~ 18 0
11 [AAV2011] J011018.215+193819.43 BiC 01 10 18.2062241448 +19 38 18.998957508           ~ 5 0
12 ACO 209 ClG 01 31 52.9 -13 36 53           ~ 295 0
13 ClG J0152-1358 ClG 01 52 41.3 -13 58 13           ~ 258 3
14 ACT-CL J0205.7-5829 ClG 02 05 46.5 -58 29 08           ~ 45 0
15 RzCS 031 ClG 02 20 45.46 -03 25 59.7           ~ 26 0
16 RCS J022056-0333.3 ClG 02 20 55 -03 33.5           ~ 19 0
17 MOO J0221-0321 ClG 02 21 42.0 -03 21 47           ~ 18 0
18 XLSSC 046 ClG 02 23 03.0 -04 36 22           ~ 37 0
19 RCS J022403-0227.7 ClG 02 24 03.4 -02 27 52           ~ 7 0
20 SpARCS J022426-032331 ClG 02 24 26.32 -03 23 30.7           ~ 11 0
21 JKCS 41 ClG 02 26 44.0 -04 41 36           ~ 52 0
22 ACO 383 ClG 02 48 03.3915 -03 31 45.228           ~ 359 0
23 ClG J0329-0212 ClG 03 29 41.6 -02 11 47           ~ 142 0
24 SpARCS J033056-284300 ClG 03 30 55.87 -28 42 59.7           ~ 14 0
25 RCS J0337.8-2844 ClG 03 37 50.4 -28 44 28           ~ 10 0
26 RCS J035027-0855.1 ClG 03 50 27.4 -08 55 14           ~ 3 0
27 RCS J035139-0956.4 ClG 03 51 39.5 -09 56 33           ~ 4 0
28 MCS J0416.1-2403 ClG 04 16 08.380 -24 04 20.80           ~ 336 0
29 ClG J0429-0253 ClG 04 29 36.0 -02 53 09           ~ 123 0
30 RCS J0439-2904 ClG 04 39 38.0 -29 04 55           ~ 21 0
31 RCS J044406-2820.5 ClG 04 44 06.4 -28 20 38           ~ 3 0
32 ClG 0451-03 ClG 04 54 10.9 -03 01 07     20.0     ~ 352 0
33 RCS J051128-4235.2 ClG 05 11 27.8 -42 35 12           ~ 3 0
34 RCS J051536-4325.5 ClG 05 15 37.0 -43 25 31           ~ 3 0
35 RCS J051834-4325.1 ClG 05 18 35.2 -43 25 15           ~ 4 0
36 RCS J051855-4315.0 ClG 05 18 55.0 -43 15 01           ~ 4 0
37 RCS J051919-4247.8 ClG 05 19 19.8 -42 47 49           ~ 5 0
38 RCS J051940-4402.1 ClG 05 19 40.3 -44 02 14           ~ 4 0
39 SPT-CL J0533-5005 ClG 05 33 37 -50 05.8           ~ 33 0
40 ACT-CL J0546-5346 ClG 05 46 35.0 -53 46 04           ~ 86 0
41 ACT-CL J0559.7-5249 ClG 05 59 43.20 -52 49 27.1           ~ 52 0
42 PLCKESZ G266.6-27.3 ClG 06 15 56.2665 -57 45 50.508           ~ 59 0
43 ClG J0647+7015 ClG 06 47 50.0 +70 14 55           ~ 153 0
44 ClG J0717+3745 ClG 07 17 36.50 +37 45 23.0           ~ 463 0
45 ClG J0744+3927 ClG 07 44 52.5 +39 27 30           ~ 181 0
46 ACO 611 ClG 08 00 58.7 +36 02 49           ~ 258 0
47 BAX 130.2808+64.3786 ClG 08 41 07.4 +64 22 41           ~ 15 0
48 ClG J0847+3449 ClG 08 47 11.3 +34 49 16           ~ 25 0
49 ClG J0849+4452 ClG 08 48 58.8 +44 51 53           ~ 107 1
50 ClG J0910+5422 ClG 09 10 44.9 +54 22 09           ~ 91 0
51 ClG J0926+1242 ClG 09 26 36.6 +12 42 59           ~ 39 0
52 RCS J092821+3646.5 ClG 09 28 21.80 +36 46 31.8           ~ 9 0
53 ACO 851 ClG 09 43 01.2 +46 59 54   18.9       ~ 327 0
54 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 2973 0
55 ACT-CL J1014.1+0038 ClG 10 14 07.49 +00 38 30.2           ~ 19 0
56 ClG J1037-1243 ClG 10 37 52.6 -12 43 44           ~ 40 0
57 ClG J1040-1155 ClG 10 40 41.6 -11 55 51           ~ 56 0
58 SpARCS J104922+564032 ClG 10 49 22.60 +56 40 32.5           ~ 30 0
59 ClG J1054-1146 ClG 10 54 24.2 -11 46 18           ~ 53 0
60 ClG J1054-1245 ClG 10 54 43.5 -12 45 50           ~ 55 0
61 ClG 1054-03 ClG 10 57 00.2 -03 37 27     22     ~ 454 0
62 RCS J110233-0319.2 ClG 11 02 33.5 -03 19 19           ~ 6 0
63 RCS J110258-0521.2 ClG 11 02 59.2 -05 21 14           ~ 3 0
64 ClG J1103-1246 ClG 11 03 34.9 -12 46 46           ~ 21 0
65 RCS J110439-0445.0 ClG 11 04 40.3 -04 45 03           ~ 4 0
66 RCS J110723-0523.2 ClG 11 07 23.8 -05 23 16           ~ 3 0
67 RCS J110752-0516.5 ClG 11 07 53.0 -05 16 35           ~ 3 0
68 RCS J110814-0430.8 ClG 11 08 14.5 -04 30 54           ~ 3 0
69 MCS J1115.8+0129 ClG 11 15 52.1 +01 29 53           ~ 131 0
70 LCDCS 0259 GrG 11 20 07.2 -12 05 04           ~ 12 0
71 LCDCS 0260 GrG 11 20 13.3 -11 58 52           ~ 9 0
72 LCDCS 0264 GrG 11 20 21.7 -12 01 45           ~ 11 0
73 RCS J112225+2422.9 ClG 11 22 25.5 +24 22 51           ~ 5 0
74 ClG J1138-1133 ClG 11 38 10.3 -11 33 59           ~ 46 0
75 ACT-CL J1142.7+1527 ClG 11 42 43.9 +15 27 07           ~ 19 0
76 MCS J1149.5+2223 ClG 11 49 35.8 +22 23 55           ~ 460 0
77 ACO 1423 ClG 11 57 17.3206 +33 36 39.364           ~ 168 0
78 MCS J1206.2-0847 ClG 12 06 12.2 -08 48 02           ~ 246 0
79 ClG J1216-1201 ClG 12 16 45.10 -12 01 17.3           ~ 68 0
80 ClG J1226+3332 ClG 12 26 57.7 +33 32 50           ~ 215 0
81 ClG J1227-1138 ClG 12 27 53.9 -11 38 20           ~ 47 0
82 NAME XMMU J1229.4+0151 ClG 12 29 28.8 +01 51 34           ~ 27 0
83 ClG J1232-1250 ClG 12 32 30.5 -12 50 33           ~ 51 0
84 ClG J1252-2927 ClG 12 52 54.4 -29 27 17           ~ 156 0
85 ClG J1311-0311 ClG 13 11 01.7 -03 10 38           ~ 109 0
86 RCS J131912-0206.9 ClG 13 19 12.7 -02 07 00           ~ 3 0
87 NSCS J132336+302223 ClG 13 23 39.0 +30 22 26           ~ 15 0
88 ZwCl 1332+5043 ClG 13 34 20.0 +50 30 54           ~ 41 0
89 ClG J1347-1145 ClG 13 47 30.5 -11 45 07           ~ 548 0
90 ClG J1354-1230 ClG 13 54 09.5 -12 30 59           ~ 47 0
91 ClG J1354-0221 ClG 13 54 16.9 -02 21 47           ~ 46 0
92 ClG J1415+3611 ClG 14 15 11.1 +36 12 03           ~ 78 1
93 ClG J1419+5326 ClG 14 19 10.3 +53 26 08           ~ 21 0
94 ClG J1423+2404 ClG 14 23 47.7 +24 04 40           ~ 209 0
95 IDCS J1426.5+3508 ClG 14 26.5 +35 08           ~ 55 0
96 ISCS J1429.3+3437 ClG 14 29 18.5 +34 37 25           ~ 20 0
97 ISCS J1432.3+3253 ClG 14 32 18.30 +32 53 07.8           ~ 10 0
98 ISCS J1432.4+3250 ClG 14 32 24.2 +32 49 55           ~ 13 0
99 ClG J1432+3332 ClG 14 32 29.2 +33 32 48           ~ 8 0
100 ISCS J1432.6+3436 ClG 14 32 38.3 +34 36 49           ~ 20 0
101 ISCS J1434.5+3427 ClG 14 34 30.44 +34 27 12.3           ~ 14 0
102 ISCS J1434.7+3519 ClG 14 34 46.3 +35 19 45           ~ 20 0
103 ISCS J143809+341419 ClG 14 38 08.71 +34 14 19.2           ~ 34 0
104 RCS J144654+0827.0 ClG 14 46 54 +08 27.0           ~ 3 0
105 ACT-CL J1447.4+0828 ClG 14 47 25.0 +08 27 32           ~ 36 0
106 RCS J145039+0840.7 ClG 14 50 40.2 +08 40 47           ~ 3 0
107 RCS J145226+0834.6 ClG 14 52 27.3 +08 34 37           ~ 6 0
108 RCS J1511.0+0903 ClG 15 11 03.8 +09 03 15           ~ 10 0
109 ClG J1532+3021 ClG 15 32 53.8 +30 21 00           ~ 113 0
110 BAX 235.2221+14.7594 ClG 15 40 53.3 +14 45 34           ~ 16 0
111 ClG 1603+4313 ClG 16 04 23.7 +43 04 52           ~ 134 1
112 ClG J1620+2929 ClG 16 20 09.4 +29 29 26           ~ 19 0
113 ClG J1621+3810 ClG 16 21 25.5 +38 09 43           ~ 79 0
114 ClG J1701+6414 ClG 17 01 22.6 +64 14 09           ~ 72 0
115 ClG J1720+3536 ClG 17 20 16.8 +35 36 27           ~ 141 1
116 ACO 2261 ClG 17 22 26.9 +32 07 58           ~ 342 0
117 ClG J1931-2635 ClG 19 31 49.6 -26 34 33           ~ 161 0
118 ACT-CL J2040.2-5725 ClG 20 40 13.2 -57 25 18           ~ 15 0
119 ACT-CL J2040.9-4452 ClG 20 40 59.23 -44 51 35.6           ~ 34 0
120 SPT-CL J2043-5035 ClG 20 43 17.60 -50 35 32.0           ~ 40 0
121 ACT-CL J2106.0-5844 ClG 21 06 04.3 -58 44 32           ~ 90 0
122 ClG J2129-0741 ClG 21 29 26.0 -07 41 28           ~ 172 0
123 ClG J2129+0005 ClG 21 29 40.5 +00 05 47           ~ 270 0
124 ClG 2137-2353 ClG 21 40 12.8 -23 39 27     18.5     ~ 378 0
125 RCS J215248-0609.4 ClG 21 52 49.2 -06 09 24           ~ 5 0
126 ClG J2156-0448 ClG 21 56 41 -04 48.1           ~ 15 0
127 2XMM J220550.2-015928 ClG 22 05 50.7 -01 59 30           ~ 12 0
128 ClG J2215-1738 ClG 22 15 58.5 -17 38 03           ~ 101 0
129 ClG J2235-2557 ClG 22 35 20.6 -25 57 42           ~ 147 0
130 RCS J223952-6044.8 ClG 22 39 52.8 -60 44 54           ~ 3 0
131 ACO S 1063 ClG 22 48 45.4 -44 31 42           ~ 320 0
132 RCS J231654-0011.1 ClG 23 16 54.80 -00 11 06.8           ~ 3 0
133 ClG J2319+0038 ClG 23 19 53 +00 38.0           ~ 38 1
134 ClG J2328+1453 ClG 23 28 52.3 +14 52 43           ~ 23 0
135 PSZSPT J2331-5052 ClG 23 31 51 -50 51.9           ~ 49 0
136 ACT-CL J2337.4-5942 ClG 23 37 24.2 -59 42 17           ~ 45 0
137 ACT-CL J2341.2-5119 ClG 23 41 12.3 -51 19 43           ~ 44 0
138 RCS J234220-3534.3 ClG 23 42 20.4 -35 34 16           ~ 4 0
139 PSZSPT J2342-5411 ClG 23 42 45.80 -54 10 59.2           ~ 36 0
140 RCS J2345.4-3632 ClG 23 45 27.3 -36 32 50           ~ 15 0
141 PSZSPT J2359-5010 ClG 23 59 44 -50 10.2           ~ 34 0

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