2015A&A...582A..79I

Query : 2015A&A...582A..79I

2015A&A...582A..79I - Astronomy and Astrophysics, volume 582A, 79-79 (2015/10-1)

X-ray galaxy clusters abundance and mass temperature scaling.

ILIC S., BLANCHARD A. and DOUSPIS M.

Abstract (from CDS):

The abundance of clusters of galaxies is known to be a potential source of cosmological constraints through their mass function. In the present work, we examine the information that can be obtained from the temperature distribution function of X-ray clusters. For this purpose, the mass-temperature (M-T) relation and its statistical properties are critical ingredients. Using a combination of cosmic microwave background (CMB) data from Planck and our estimations of X-ray cluster abundances, we use Markov chain Monte Carlo (MCMC) techniques to estimate the ΛCDM cosmological parameters and the mass to X-ray temperature scaling relation simultaneously. We determine the integrated X-ray temperature function of local clusters using flux-limited surveys. A local comprehensive sample was build from the BAX X-ray cluster database, allowing us to estimate the local temperature distribution function above ∼1keV. We model the expected temperature function from the mass function and the M-T scaling relation. We then estimate the cosmological parameters and the parameters of the M-T relation (calibration and slope) simultaneously. The measured temperature function of local clusters in the range ∼1-10keV is well reproduced once the calibration of the M-T relation is treated as a free parameter, and therefore is self-consistent with respect to the ΛCDM cosmology. The best-fit values of the standard cosmological parameters as well as their uncertainties are unchanged by the addition of clusters data. The calibration of the mass temperature relation, as well as its slope, are determined with ∼10% statistical uncertainties. This calibration leads to masses that are ∼75% larger than X-ray masses used in Planck.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - large-scale structure of Universe - cosmological parameters - cosmic background radiation

CDS comments: Table 1 NGC 4343 GROUP is a probable misprint for NGC 4636 GROUP.

Simbad objects: 73

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Number of rows : 73
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 ACO 85 ClG 00 41 36.21 -09 19 30.4           ~ 909 0
2 ACO 119 ClG 00 56 08.57 -01 12 00.8           ~ 555 2
3 ACO 133 ClG 01 02 41.5 -21 52 53           ~ 368 1
4 NAME NGC 507 Group GrG 01 23.7 +33 15           ~ 80 0
5 ACO 262 ClG 01 52 50.4 +36 08 46           ~ 698 1
6 ACO 400 ClG 02 57 37.4 +06 00 45           ~ 399 3
7 ACO 399 ClG 02 57 56.4 +13 00 59           ~ 396 0
8 ACO 401 ClG 02 58 56.9 +13 34 56           ~ 566 0
9 ACO 3112 ClG 03 17 52.4 -44 14 35           ~ 311 1
10 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 1826 0
11 ZwCl 0335+0956 ClG 03 38 35.3 +09 57 54           ~ 383 1
12 BAX 055.3242+15.3961 ClG 03 41 16.9 +15 24 27           ~ 40 0
13 ACO 3158 ClG 03 42 39.6 -53 37 50           ~ 304 0
14 ACO 478 ClG 04 13 20.7 +10 28 35           ~ 502 0
15 NAME NGC 1550 Group ClG 04 19 38.0 +02 24 36           ~ 42 0
16 BAX 064.9080+02.4099 GrG 04 19 38.2 +02 25 12           ~ 42 1
17 ClG 0422-09 ClG 04 25 51.02 -08 33 38.5           ~ 91 0
18 ACO 3266 ClG 04 31 11.9 -61 24 23           ~ 410 0
19 ACO 496 ClG 04 33 38.8 -13 15 59           ~ 694 2
20 ACO 3376 ClG 06 01 25.000 -39 59 51.00           ~ 305 0
21 ACO 3391 ClG 06 26 15.4 -53 40 52           ~ 202 1
22 ACO 3395 ClG 06 27 31.1 -54 23 58           ~ 209 0
23 ACO 576 ClG 07 21 24.1 +55 44 20           ~ 297 1
24 BAX 115.2425+55.4275 ClG 07 40 59.4 +55 25 55           ~ 30 0
25 ACO 754 ClG 09 09 08.4 -09 39 58           ~ 666 1
26 ACO 780 ClG 09 18 30 -12 15.7           ~ 453 0
27 NAME Hydra I Cluster ClG 10 36 36.0 -27 31 04           ~ 839 1
28 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1076 1
29 NAME NGC 4073 Group GrG 12 04 44.08 +01 48 40.9     13.53     ~ 280 0
30 ZwCl 1215+0400 ClG 12 17 43.62 +03 38 51.5           ~ 153 0
31 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6642 0
32 NAME Virgo S Cloud GrG 12 34 +06.1           ~ 28 0
33 M 89 LIN 12 35 39.80733343 +12 33 22.8308657 11.29 10.73 9.75     ~ 995 2
34 NAME NGC 4636 Group GrG 12 42 49.5 +02 41 08           ~ 562 0
35 ACO 3526 ClG 12 48 51.8 -41 18 21           ~ 1066 2
36 ACO 1644 ClG 12 57 11.6 -17 24 34           ~ 366 1
37 ACO 1650 ClG 12 58 42.0 -01 45 45           ~ 304 0
38 ACO 1651 ClG 12 59 22.43 -04 11 47.1           ~ 290 0
39 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 4798 2
40 NAME NGC 5044 Group GrG 13 14 22.7 -16 32 04           ~ 181 0
41 ACO 1736 ClG 13 26 52.1 -27 06 33           ~ 249 2
42 ACO 3558 ClG 13 27 54.8 -31 29 32           ~ 442 2
43 ACO 3562 ClG 13 33 31.8 -31 40 23           ~ 314 1
44 ACO 3571 ClG 13 47 28.9 -32 51 57           ~ 284 2
45 ACO 1795 ClG 13 48 50.48 +26 35 07.4           ~ 1267 0
46 ACO 3581 ClG 14 07 29.8 -27 01 04           ~ 184 3
47 BAX 220.1796+03.4530 ClG 14 40 34.37 +03 29 49.7     14.31     ~ 119 0
48 ACO 2029 ClG 15 10 56.2 +05 44 42           ~ 943 0
49 ACO 2052 ClG 15 16 41.64 +07 01 45.5           ~ 730 1
50 ACO 2061 ClG 15 21 19.90 +30 37 13.0           ~ 191 1
51 ACT-CL J1521.8+0742 ClG 15 21 55.14 +07 41 27.2     15.13     ~ 311 0
52 ACO 2065 ClG 15 22 29.3 +27 42 22           ~ 374 0
53 ACO 2063 ClG 15 23 01.8 +08 38 22           ~ 397 2
54 ACO 2107 ClG 15 39 39.04 +21 46 57.8           ~ 253 0
55 ACO 2142 ClG 15 58 14.38 +27 12 57.8           ~ 768 0
56 ACO 2147 ClG 16 02 11.96 +15 55 11.5           ~ 403 0
57 ACO 2199 ClG 16 28 43.31 +39 34 07.6           ~ 1171 1
58 ACO 2244 ClG 17 02 40.33 +34 02 58.7           ~ 281 0
59 ACO 2256 ClG 17 03 09.4 +78 39 36           ~ 885 1
60 ACO 2255 ClG 17 12 50.04 +64 03 10.6           ~ 568 0
61 ZwCl 1742+3306 ClG 17 44 16.2753 +32 59 55.115           ~ 80 0
62 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 627 1
63 ZW II 108 BiC 21 13 55.918 +02 33 55.39   15.1       ~ 62 1
64 IC 1365 GrG 21 14 03.6958 +02 34 14.568           ~ 44 0
65 ACO 3822 ClG 21 54 06.2 -57 50 49           ~ 87 0
66 ACO 3827 ClG 22 01 49.1 -59 57 15           ~ 159 0
67 ACO S 1101 ClG 23 13 58.5 -42 43 39           ~ 258 1
68 ACO 2589 ClG 23 24 00.5 +16 49 29           ~ 316 1
69 ACO 2597 ClG 23 25 19.70 -12 07 27.7           ~ 539 0
70 ACO 2634 ClG 23 38 18.4 +27 01 37           ~ 503 2
71 ACO 2657 ClG 23 44 51.0 +09 08 40           ~ 269 3
72 ACO 4038 ClG 23 47 31.1 -28 12 10           ~ 335 3
73 ACO 4059 ClG 23 57 02.2 -34 45 58           ~ 380 1

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