2019ApJ...874...84W

Query : 2019ApJ...874...84W

2019ApJ...874...84W - Astrophys. J., 874, 84-84 (2019/March-3)

Brightest cluster galaxy alignments in merging clusters.

WITTMAN D., FOOTE D. and GOLOVICH N.

Abstract (from CDS):

The orientations of brightest cluster galaxies (BCGs) and their host clusters tend to be aligned, but the mechanism driving this is not clear. To probe the role of cluster mergers in this process, we quantify alignments of 38 BCGs in 22 clusters undergoing major mergers (up to ∼1 Gyr after first pericenter). We find alignments entirely consistent with those of clusters in general. This suggests that alignments are robust against major cluster mergers. If, conversely, major cluster mergers actually help orient the BCG, such a process is acting quickly because the orientation is in place within ∼1 Gyr after first pericenter.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): galaxies: clusters: general

Nomenclature: Table 1: [WFG2019] 1RXS J0603.3+4212 W, [WFG2019] ANNNN W, [WFG2019] CIZA J2242.8+5301 W, [WFG2019] MACS JHHMM.m+DDMM W, [WFG2019] RXC JHHMM.m+DDMM W, [WFG2019] ZwCl HHMM.m+DDMM W, N=38.

Simbad objects: 68

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Number of rows : 68
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 2MASX J00112171+5231437 rG 00 11 21.716 +52 31 43.71           ~ 9 0
2 ZwCl 0008+5215 ClG 00 11 37.197 +52 32 31.68           ~ 61 0
3 2MASX J00121892+5233460 G 00 12 18.93678 +52 33 46.7184           ~ 5 0
4 ACO 2744 ClG 00 14 20.03 -30 23 17.8           ~ 1077 0
5 3C 28 rG 00 55 50.583 +26 24 36.68   18.63 19.57 16.26   ~ 213 1
6 ACO 115 ClG 00 55 59 +26 23.2           ~ 295 1
7 LEDA 138266 BiC 00 56 00.262 +26 20 31.72   19.11 19.58 16.19   ~ 17 0
8 2MASX J04540687-1013247 BiC 04 54 06.870 -10 13 24.79           ~ 8 0
9 ACO 521 ClG 04 54 08.6 -10 14 39           ~ 279 0
10 [MPB2000] 42 GiC 04 54 15.4 -10 16 14           ~ 2 0
11 ACO 523 ClG 04 59 01 +08 46.5           ~ 66 0
12 NVSS J045906+084350 rG 04 59 06.58938 +08 43 49.0563           ~ 4 1
13 2MASX J04591293+0849411 GiC 04 59 12.933 +08 49 41.11           ~ 8 0
14 ACO 3365 ClG 05 48 12 -21 56.1           ~ 41 0
15 2MASX J05481873-2156299 GiC 05 48 18.7649221416 -21 56 30.496844040   17.11   15.68   ~ 7 0
16 2MASX J05484315-2154568 GiC 05 48 43.1438505672 -21 54 57.114068724   16.61   15.15   ~ 8 0
17 LEDA 2195075 G 06 03 16.67547 +42 14 41.6110           ~ 23 0
18 ClG J0603.3+4214 ClG 06 03.3 +42 14           ~ 141 0
19 2MASX J06032432+4209306 G 06 03 24.29298 +42 09 31.3958           ~ 3 0
20 ACO 3411 ClG 08 41 47.7 -17 28 46           ~ 81 0
21 6dFGS gJ084152.8-172805 G 08 41 52.8460020696 -17 28 04.852338456   18.74   16.88   ~ 4 0
22 [GDW2019] J130.52965490-17.57790960 G 08 42 07.11718 -17 34 40.4746           ~ 2 0
23 ACO 746 ClG 09 09 34.7638 +51 32 56.134           ~ 55 0
24 SHELS 140.0933853+30.5419719 GiP 09 20 22.387 +30 32 30.69       17.863   ~ 7 0
25 ACO 781 ClG 09 20 25.4 +30 30 07           ~ 167 0
26 2MASX J09202578+3029380 BiC 09 20 25.788 +30 29 38.01       16.576   ~ 10 0
27 LEDA 2482955 rG 10 53 36.5705201568 +54 52 04.583495172           ~ 17 0
28 BAX 163.4480+54.8499 ClG 10 53 50.83 +54 49 55.1           ~ 59 0
29 MCG+09-18-050 rG 10 54 11.1709660800 +54 50 18.157760448   17       ~ 9 0
30 LEDA 2213936 BiC 11 23 35.3346492936 +43 08 31.836714792   18.74   16.22   ~ 6 0
31 ACO 1240 ClG 11 23 37.7 +43 03 28           ~ 113 0
32 LEDA 2212023 BiC 11 23 37.7143291488 +43 03 28.026535752   18.82   16.12   ~ 9 0
33 2MASX J11315413-1955391 rG 11 31 54.133 -19 55 39.11           ~ 9 0
34 [FBC2017] J113200.2-195441.2 G 11 32 00.20 -19 54 41.2           ~ 2 0
35 ACO 1300 ClG 11 32 00.7 -19 53 34           ~ 168 0
36 SDSS J114935.68+222354.5 BiC 11 49 35.688 +22 23 54.60         19.258 ~ 15 0
37 MCS J1149.5+2223 ClG 11 49 35.8 +22 23 55           ~ 546 0
38 SDSS J114942.90+222206.6 BiC 11 49 42.905 +22 22 06.61           ~ 4 0
39 PLCKESZ G287.0+32.9 ClG 11 50 49.20 -28 04 36.5           ~ 100 0
40 2dFGRS TGN187Z016 GiC 12 47 33.3444998328 -02 47 12.546379464   18.563   16.737   ~ 4 0
41 ACO 1612 ClG 12 47 43.2 -02 47 32           ~ 40 0
42 FIRST J124751.5-024949 rG 12 47 51.4391473056 -02 49 50.062809576   18.424   16.569   ~ 8 0
43 [GDW2019] J198.59222010-25.26275450 GiC 13 14 22.13282 -25 15 45.9162           ~ 4 1
44 BAX 199.3086-25.5133 ClG 13 14 25.4 -25 15 44           ~ 118 0
45 ZwCl 1447+2619 ClG 14 49 28.2 +26 07 57           ~ 54 0
46 SDSS J144929.70+260254.6 BiC 14 49 29.703 +26 02 54.60           ~ 2 0
47 [GDW2019] J222.37967080+26.14339220 G 14 49 31.12099 +26 08 36.2119           ~ 2 0
48 ACO 2034 ClG 15 10 03.9 +33 30 57           ~ 248 1
49 LEDA 2034704 BiC 15 10 10.1741261832 +33 34 01.387942752           ~ 10 0
50 ACO 2061 ClG 15 21 19.90 +30 37 13.0           ~ 214 1
51 2MASX J16153353-0609167 BiC 16 15 33.53760 -06 09 16.7650       16.45   ~ 8 0
52 ACO 2163 ClG 16 15 46.1 -06 08 50           ~ 586 0
53 RELICS acs-wfc3 Abell 2163 3822 BiC 16 15 48.9457 -06 08 41.426       16.86   ~ 8 0
54 ACO 2255 ClG 17 12 56.0 +64 04 06           ~ 605 0
55 [GDW2019] J267.97245460+44.65377839 G 17 51 53.38910 +44 39 13.6022           ~ 2 0
56 MCS J1752.0+4440 ClG 17 52 02.2 +44 40 38           ~ 68 0
57 [GDW2019] J268.04955900+44.68360000 G 17 52 11.89416 +44 41 00.9600           ~ 2 0
58 [GDW2019] J284.14057360+66.42114216 G 18 56 33.73766 +66 25 16.1118           ~ 2 0
59 ZwCl 1856+6616 ClG 18 56 38.4 +66 23 10           ~ 48 0
60 ACO 2345 ClG 21 27 05.391 -12 09 07.41           ~ 151 0
61 NVSS J212709-120958 Rad 21 27 09.27 -12 10 01.5           ~ 132 1
62 ACO 2443 ClG 22 26 14.09 +17 25 13.5           ~ 126 0
63 [WFG2019] CIZA J2242.8+5301 S BiC 22 42 40.8 +52 58 54           ~ 1 0
64 [DJS2015] J224252.586+530450.150 G 22 42 52.5860 +53 04 50.150           ~ 3 0
65 CIZA J2242.8+5301 ClG 22 42 53.0 +53 01 05           ~ 228 0
66 PSZ1 G108.18-11.53 ClG 23 22 28.2499 +48 44 29.172           ~ 36 0
67 ZwCl 2341+0000 ClG 23 43 40.566 +00 18 18.94           ~ 83 0
68 SDSS J234347.53+001524.0 rG 23 43 47.535 +00 15 23.99           ~ 5 0

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