2023MNRAS.525.1769A

Query : 2023MNRAS.525.1769A

2023MNRAS.525.1769A - Mon. Not. R. Astron. Soc., 525, 1769-1778 (2023/October-3)

Clash of Titans: the impact of cluster mergers in the galaxy cluster red sequence.

ALDAS F., ZENTENO A., GOMEZ F.A., HERNANDEZ-LANG D., CARRASCO E.R., VEGA-MARTINEZ C.A. and NILO CASTELLON J.L.

Abstract (from CDS):

Merging of galaxy clusters are some of the most energetic events in the Universe, and they provide a unique environment to study galaxy evolution. We use a sample of 84 merging and relaxed SPT galaxy clusters candidates, observed with the Dark Energy Camera in the 0.11 < z < 0.88 redshift range, to build colour-magnitude diagrams to characterize the impact of cluster mergers on the galaxy population. We divided the sample between relaxed and disturbed, and in two redshifts bin at z = 0.55. When comparing the high-z to low-z clusters we find the high-z sample is richer in blue galaxies, independently of the cluster dynamical state. In the high-z bin, we find that disturbed clusters exhibit a larger scatter in the red sequence, with wider distribution and an excess of bluer galaxies compared to relaxed clusters, while in the low-z bin we find a complete agreement between the relaxed and disturbed clusters. Our results support the scenario in which massive cluster halos at z < 0.55 galaxies are quenched as satellites of another structure, i.e. outside the cluster, while at z ≥ 0.55 the quenching is dominated by in situ processes.

Abstract Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

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

Simbad objects: 89

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Number of rows : 89
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 ACT-CL J0000.9-5748 ClG 00 01 00 -57 48.5           ~ 57 0
2 ACO 2744 ClG 00 14 20.03 -30 23 17.8           ~ 1077 0
3 ACT-CL J0014.8-4952 ClG 00 14 48.2896 -49 52 30.837           ~ 28 0
4 PSZ2 G306.22-53.56 ClG 00 33 53 -63 26.6           ~ 25 0
5 MARD J003841.8-524312 ClG 00 38 54.332 -52 43 56.53           ~ 6 0
6 PSZSPT J0058-6145 ClG 00 58 21 -61 46.1           ~ 20 0
7 ACT-CL J0107.4-4854 ClG 01 07 32.6 -48 55 02           ~ 8 0
8 ACT-CL J0111.4-5518 ClG 01 11 22.7 -55 18 50           ~ 6 0
9 ACT-CL J0123.1-4821 ClG 01 23 09.3334 -48 21 28.638           ~ 25 0
10 PSZSPT J0131-5604 ClG 01 31 43.9 -56 04 56           ~ 6 0
11 ACT-CL J0135.9-5905 ClG 01 35 57.8 -59 05 36           ~ 13 0
12 ACT-CL J0144.6-4807 ClG 01 44 43.1 -48 07 41           ~ 6 0
13 ACO 2941 ClG 01 45 03.60 -53 01 23.4           ~ 61 0
14 ACT-CL J0147.8-5622 ClG 01 47 51.6 -56 22 40           ~ 6 0
15 ACT-CL J0151.1-5654 ClG 01 51 07.146 -56 55 06.07           ~ 7 0
16 ACT-CL J0152.9-5303 ClG 01 52 56.0963 -53 03 14.536           ~ 7 0
17 ACT-CL J0200.5-4852 ClG 02 00 34 -48 52.3           ~ 25 0
18 ACT-CL J0212.4-4656 ClG 02 12 26 -46 57.0           ~ 24 0
19 PSZSPT J0217-4310 ClG 02 17 39.3 -43 10 55           ~ 6 0
20 PSZSPT J0230-6028 ClG 02 30 32.5 -60 27 49           ~ 12 0
21 PSZSPT J0231-5403 ClG 02 31 07 -54 03.8           ~ 11 0
22 ACT-CL J0232-5257 ClG 02 32 42.709 -52 57 22.61           ~ 33 0
23 ACT-CL J0243.4-5931 ClG 02 43 28 -59 30.9           ~ 26 0
24 SPT-CL J0253-6046 ClG 02 53 50.5 -60 46 28           ~ 8 0
25 ACT-CL J0256.3-5617 ClG 02 56 22.9770 -56 17 51.471           ~ 24 0
26 SPT-CL J0257-5732 ClG 02 57 21.5 -57 32 53           ~ 15 0
27 ACT-CL J0257.5-5842 ClG 02 57 34.2 -58 42 42           ~ 10 0
28 ACT-CL J0257.7-4817 ClG 02 57 46.211 -48 17 42.56           ~ 8 0
29 ACT-CL J0304.5-4748 ClG 03 04 36.1 -47 48 41           ~ 8 0
30 PSZSPT J0307-6225 ClG 03 07 19 -62 26.2           ~ 30 0
31 ACT-CL J0307.8-5042 ClG 03 07 51 -50 42.3           ~ 24 0
32 ACT-CL J0310.5-4647 ClG 03 10 32.7023 -46 47 02.198           ~ 23 0
33 ACT-CL J0313.0-5645 ClG 03 13 02.5 -56 45 19           ~ 8 0
34 ACT-CL J0317.2-5935 ClG 03 17 15.6160 -59 35 10.664           ~ 21 0
35 MARD J032414.5-623537 ClG 03 24 12.240 -62 35 55.80           ~ 27 0
36 ACT-CL J0334.2-4659 ClG 03 34 11.180 -46 59 39.50           ~ 27 0
37 ACT-CL J0337.8-4928 ClG 03 37 52.087 -49 28 41.63           ~ 8 0
38 MARD J033752.9-630118 ClG 03 37 53.851 -63 00 55.73           ~ 10 0
39 ACT-CL J0342.0-5354 ClG 03 42 04.8 -53 55 08           ~ 9 0
40 ACT-CL J0343.0-5517 ClG 03 43 01.3 -55 18 39           ~ 14 0
41 ACT-CL J0352.9-5647 ClG 03 52 57.7496 -56 47 52.643           ~ 27 0
42 ACT-CL J0354.2-5904 ClG 03 54 16.5 -59 05 21           ~ 16 0
43 ACT-CL J0403.8-5719 ClG 04 03 52.1 -57 19 43           ~ 19 0
44 ACT-CL J0406.7-5455 ClG 04 06 44.6 -54 55 33           ~ 13 0
45 ACT-CL J0406.8-4804 ClG 04 06 55 -48 04.9           ~ 25 0
46 ACT-CL J0422.9-4608 ClG 04 22 59.8 -46 08 37           ~ 10 0
47 SPT-CL J0429-5233 ClG 04 29 43.6 -52 33 39           ~ 8 0
48 ACT-CL J0439.2-4600 ClG 04 39 13.9 -46 00 48           ~ 19 0
49 ACT-CL J0439.7-5330 ClG 04 39 42.5110 -53 30 03.914           ~ 11 0
50 ACT-CL J0441.8-4855 ClG 04 41 47.8 -48 55 24           ~ 23 0
51 SPT-CL J0451-4952 ClG 04 51 51.9 -49 52 47           ~ 7 0
52 ACO 521 ClG 04 54 08.6 -10 14 39           ~ 279 0
53 ACT-CL J0509.3-5342 ClG 05 09 21.40 -53 42 12.3           ~ 62 0
54 LCS-CL J052200-5027.0 ClG 05 22 00 -50 27.0           ~ 10 0
55 SPT-CL J0526-5018 ClG 05 26 02.1 -50 18 53           ~ 5 0
56 ACT-CL J0528-5259 ClG 05 28 05.30 -52 59 52.8           ~ 52 0
57 SPT-CL J0533-5005 ClG 05 33 37 -50 05.8           ~ 37 0
58 ClG J0542-4100 ClG 05 42 49.9 -40 59 58           ~ 67 0
59 SPT-CL J0550-5019 ClG 05 50 12.1 -50 19 25           ~ 6 0
60 ACT-CL J0551.6-5709 ClG 05 51 36.000 -57 09 22.00           ~ 37 0
61 ACT-CL J0559.7-5249 ClG 05 59 43.20 -52 49 27.1           ~ 63 0
62 ACT-CL J0600.2-4352 ClG 06 00 13.022 -43 53 30.12           ~ 13 0
63 SPT-CL J0611-4724 ClG 06 11 41.1 -47 24 40           ~ 6 0
64 ACT-CL J0612.0-4318 ClG 06 12 02.6362 -43 18 20.974           ~ 16 0
65 ACO 1750 ClG 13 30 50.44 -01 51 27.1           ~ 190 2
66 ACO 2255 ClG 17 12 56.0 +64 04 06           ~ 605 0
67 ACT-CL J2011.4-5724 ClG 20 11 26.8 -57 25 09           ~ 48 0
68 PSZSPT J2022-6324 ClG 20 22 05.6 -63 23 50           ~ 20 0
69 ACT-CL J2040.9-5343 ClG 20 40 52.7 -53 42 44           ~ 10 0
70 ACT-CL J2043.2-5035 ClG 20 43 16.7205 -50 35 30.861           ~ 47 0
71 ACO 3718 ClG 20 55 55.7 -54 55 34           ~ 24 0
72 MARD J213049.6-645946 ClG 21 30 56.209 -64 58 40.32           ~ 16 0
73 ACO 3783 ClG 21 34 00.7225 -42 38 39.466           ~ 22 0
74 SPT-CL J2140-5331 ClG 21 40 07.3 -53 31 12           ~ 7 0
75 ACT-CL J2146.8-5736 ClG 21 46 48.942 -57 36 49.57           ~ 16 0
76 PSZ1 G331.63-44.33 ClG 21 48 49.7 -61 17 03           ~ 27 0
77 ACT-CL J2222.8-4834 ClG 22 22 50.682 -48 34 35.12           ~ 27 0
78 ACT-CL J2228.8-5828 ClG 22 28 51.7 -58 28 07           ~ 9 0
79 ACT-CL J2232.5-5959 ClG 22 32 33.1423 -59 59 13.374           ~ 24 0
80 ACT-CL J2233.3-5338 ClG 22 33 17 -53 39.2           ~ 24 0
81 ACT-CL J2242.0-4435 ClG 22 42 03.2159 -44 35 13.446           ~ 7 0
82 ACO 3921 ClG 22 49 59.0 -64 25 48           ~ 165 1
83 SPT-CL J2254-5805 ClG 22 54 21.5 -58 05 06           ~ 8 0
84 PSZSPT J2259-6057 ClG 22 59 00 -60 57.6           ~ 17 0
85 PSZSPT J2331-5052 ClG 23 31 51 -50 51.9           ~ 53 0
86 ACT-CL J2332.4-5358 ClG 23 32 26.70 -53 58 20.4           ~ 52 0
87 ACT-CL J2344.5-4224 ClG 23 44 35.5 -42 24 36           ~ 7 0
88 ACT-CL J2352.2-4657 ClG 23 52 15.8038 -46 57 21.922           ~ 21 0
89 MARD J235854.0-612930 ClG 23 58 46.382 -61 29 07.79           ~ 9 0

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