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.

Status at CDS : Acronym for new objects described in the dictionary of nomenclature and being created in SIMBAD.

Simbad objects: 29

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Number of rows : 29
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 ZwCl 0008+5215 ClG 00 11 37.197 +52 32 31.68           ~ 40 0
2 ACO 2744 ClG 00 14 20.03 -30 23 17.8           ~ 615 0
3 ACO 115 ClG 00 55 59.5 +26 19 14           ~ 247 1
4 ACO 521 ClG 04 54 08.6 -10 14 39           ~ 222 0
5 ACO 523 ClG 04 59 01 +08 46.5           ~ 43 0
6 ACO 3365 ClG 05 48 12 -21 56.1           ~ 34 0
7 ClG J0603.3+4214 ClG 06 03.3 +42 14           ~ 99 0
8 ACO 3411 ClG 08 41 47.7 -17 28 46           ~ 64 0
9 ACO 746 ClG 09 09 34.7638 +51 32 56.134           ~ 33 0
10 ACO 781 ClG 09 20 25.4 +30 30 07           ~ 133 0
11 MCXC J1053.7+5452 ClG 10 53 44.4 +54 52 21           ~ 42 0
12 ACO 1240 ClG 11 23 32 +43 06.5           ~ 74 0
13 ACO 1300 ClG 11 32 00.7 -19 53 34           ~ 137 0
14 MCS J1149.5+2223 ClG 11 49 35.8 +22 23 55           ~ 363 0
15 PSZ1 G287.00+32.90 ClG 11 50 49.20 -28 04 36.5           ~ 62 0
16 ACO 1612 ClG 12 47 43.2 -02 47 32           ~ 30 0
17 2MASX J13142209-2515456 ClG 13 14 31.5049 -25 15 56.602           ~ 92 0
18 ZwCl 1447+2619 ClG 14 49 28.2 +26 07 57           ~ 47 0
19 ACO 2034 ClG 15 10 10.80 +33 30 21.6           ~ 185 1
20 ACO 2061 ClG 15 21 20.58 +30 40 15.3           ~ 171 1
21 ACO 2163 ClG 16 15 34.1 -06 07 26           ~ 534 0
22 ACO 2255 ClG 17 12 50.04 +64 03 10.6           ~ 523 0
23 MCS J1752.0+4440 ClG 17 52 03.1 +44 40 10           ~ 45 0
24 ZwCl 1856+6616 ClG 18 56 40.8886 +66 22 40.463           ~ 24 0
25 ACO 2345 ClG 21 27 09.80 -12 09 58.8           ~ 117 1
26 ACO 2443 ClG 22 26 09.5017 +17 22 35.964           ~ 80 0
27 NAME Sausage Cluster ClG 22 42 53.0 +53 01 05           ~ 177 0
28 PSZ1 G108.18-11.53 ClG 23 22 28.2499 +48 44 29.172           ~ 23 0
29 ZwCl 2341+0000 ClG 23 43 40.566 +00 18 18.94           ~ 57 0

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2021.12.06-19:23:36

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