2019MNRAS.485..408C

Query : 2019MNRAS.485..408C

2019MNRAS.485..408C - Mon. Not. R. Astron. Soc., 485, 408-415 (2019/May-1)

Weak lensing constraints on splashback around massive clusters.

CONTIGIANI O., HOEKSTRA H. and BAHE Y.M.

Abstract (from CDS):

The splashback radius rsp separates the physical regimes of collapsed and infalling material around massive dark matter haloes. In cosmological simulations, this location is associated with a steepening of the spherically averaged density profile ρ(r). In this work, we measure the splashback feature in the stacked weak gravitational lensing signal of 27 massive clusters from the Cluster Canadian Comparison Project with careful control of residual systematics effects. We find that the shear introduced by the presence of additional structure along the line of sight significantly affects the noise at large clustercentric distances. Although we do not detect a significant steepening, the use of a simple parametric model enables us to measure both rsp=3.5+1.1–0.7 comoving Mpc and the value of the logarithmic slope γ = log ρ/log r at this point, γ(rsp) = -4.3+1.0–1.5.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: clusters: general - dark matter - large-scale structure of Universe

Simbad objects: 31

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Number of rows : 31
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 115 ClG 00 55 59 +26 23.2           ~ 295 1
2 ACO 222 ClG 01 37 31.1 -12 59 30           ~ 153 1
3 ClG 0440+02 ClG 04 43 09.7 +02 10 19     17.03     ~ 129 0
4 ACO 521 ClG 04 54 08.6 -10 14 39           ~ 279 0
5 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 465 0
6 ClG 0451-03 ClG 04 54 10.9 -03 01 07     20.0     ~ 368 0
7 ClG J0717+3745 ClG 07 17 36.50 +37 45 23.0           ~ 511 0
8 ACO 586 ClG 07 32 20.3 +31 37 58           ~ 196 0
9 ACO 611 ClG 08 00 58.7 +36 02 49           ~ 275 0
10 ACO 697 ClG 08 42 57.6 +36 21 45           ~ 277 0
11 RXC J0913.7+4056 ClG 09 13 46.0 +40 56 20           ~ 71 0
12 ACO 851 ClG 09 43 01.2 +46 59 54   18.9       ~ 334 0
13 ClG 1008-12 ClG 10 10 34.1 -12 39 48     18.0     ~ 155 0
14 ACO 959 ClG 10 17 35.0 +59 33 28           ~ 76 0
15 ACO 1234 ClG 11 22 30.000 +21 24 22.00           ~ 39 0
16 ACO 1246 ClG 11 23 57.4 +21 29 14           ~ 118 0
17 ACO 1758 ClG 13 32 32.1 +50 30 37           ~ 266 2
18 ClG J1347-1145 ClG 13 47 30.5 -11 45 07           ~ 577 0
19 ACO 1835 ClG 14 01 02.07 +02 52 43.2           ~ 727 1
20 3C 295 Sy1 14 11 20.6 +52 12 09   22.34 20.80 18.54   ~ 1021 4
21 ACO 1914 ClG 14 25 57.4 +37 49 54           ~ 338 0
22 ACO 1942 ClG 14 38 21.8673 +03 40 13.247           ~ 122 0
23 ClG J1524+0957 ClG 15 24 40.3 +09 57 35           ~ 64 0
24 ACO 2111 ClG 15 39 40.9 +34 25 04           ~ 188 0
25 ACO 2104 ClG 15 40 06.8 -03 17 39           ~ 113 0
26 ACO 2163 ClG 16 15 46.1 -06 08 50           ~ 586 0
27 ACO 2204 ClG 16 32 47.7 +05 34 18           ~ 457 0
28 ACO 2259 ClG 17 20 09.2 +27 40 09           ~ 131 0
29 ACO 2261 ClG 17 22 26.9 +32 07 58           ~ 370 0
30 CIZA J1938.3+5409 ClG 19 38 18.6 +54 09 33           ~ 42 0
31 ACO 2537 ClG 23 08 22.3 -02 11 29           ~ 152 0

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