CDS

2016A&A...592A...3G

Query : 2016A&A...592A...3G

2016A&A...592A...3G - Astronomy and Astrophysics, volume 592A, 3-3 (2016/8-1)

The XXL Survey. III. Luminosity-temperature relation of the bright cluster sample.

GILES P.A., MAUGHAN B.J., PACAUD F., LIEU M., CLERC N., PIERRE M., ADAMI C., CHIAPPETTI L., DEMOCLES J., ETTORI S., LE FEVRE J.P., PONMAN T., SADIBEKOVA T., SMITH G.P., WILLIS J.P. and ZIPARO F.

Abstract (from CDS):

Context. The XXL Survey is the largest homogeneous survey carried out with XMM-Newton. Covering an area of 50deg2, the survey contains several hundred galaxy clusters out to a redshift of ∼2 above an X-ray flux limit of ∼5x10–15erg/cm2/s. This paper belongs to the first series of XXL papers focusing on the bright cluster sample.
Aims. We investigate the luminosity-temperature (LT) relation for the brightest clusters detected in the XXL Survey, taking fully into account the selection biases. We investigate the form of the LT relation, placing constraints on its evolution.
Methods. We have classified the 100 brightest clusters in the XXL Survey based on their measured X-ray flux. These 100 clusters have been analysed to determine their luminosity and temperature to evaluate the LT relation. We used three methods to fit the form of the LT relation, with two of these methods providing a prescription to fully take into account the selection effects of the survey. We measure the evolution of the LT relation internally using the broad redshift range of the sample.
Results. Taking fully into account selection effects, we find a slope of the bolometric LT relation of BLT=3.08±0.15, steeper than the self-similar expectation (BLT=2). Our best-fit result for the evolution factor is E(z)1.64±0.77, fully consistent with "strong self-similar" evolution where clusters scale self-similarly with both mass and redshift. However, this result is marginally stronger than "weak self-similar" evolution, where clusters scale with redshift alone. We investigate the sensitivity of our results to the assumptions made in our fitting model, finding that using an external LT relation as a low-z baseline can have a profound effect on the measured evolution. However, more clusters are needed in order to break the degeneracy between the choice of likelihood model and mass-temperature relation on the derived evolution.

Abstract Copyright: © ESO, 2016

Journal keyword(s): X-rays: galaxies: clusters - galaxies: clusters: general - galaxies: clusters: intracluster medium

Simbad objects: 108

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Number of rows : 108
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 XLSSC 114 ClG 02 01 42 -05 01.9           ~ 7 0
2 [MFP2015] RCC J0202.7-0700 ClG 02 02 15 -07 00.5           ~ 7 0
3 XLSSC 094 ClG 02 02 36 -06 43.9           ~ 4 0
4 HSCS J020353-050140 ClG 02 03 54 -05 01.6           ~ 8 0
5 ACT-CL J0205.2-0439 ClG 02 05 15.900 -04 39 07.50           ~ 7 0
6 HSCS J020525-054356 ClG 02 05 24 -05 43.9           ~ 9 0
7 XLSSC 107 ClG 02 05 25 -07 35.6           ~ 8 0
8 HSCS J020613-061155 ClG 02 06 11.40 -06 11 29.2           ~ 7 0
9 XLSSC 093 ClG 02 06 48 -06 56.9           ~ 6 0
10 HSCS J020720-044931 ClG 02 07 20 -04 49.6           ~ 7 0
11 XLSSC 095 ClG 02 07 51 -05 12.4           ~ 6 0
12 XLSSC 092 ClG 02 08 17 -07 16.6           ~ 7 0
13 HSCS J020846-042625 ClG 02 08 46.40 -04 26 08.2           ~ 7 0
14 HSCS J020911-062043 ClG 02 09 11 -06 20.8           ~ 8 0
15 XLSSC 112 ClG 02 10 03 -05 27.7           ~ 8 0
16 XLSSC 115 ClG 02 10 43 -06 35.3           ~ 6 0
17 HSCS J021056-061154 ClG 02 10 57.80 -06 11 56.8           ~ 15 0
18 XLSSC 084 ClG 02 11 04 -06 12.7           ~ 9 0
19 XLSSC 085 ClG 02 11 29 -06 11.8           ~ 8 0
20 XMMXCS J021226.8-053734.6 ClG 02 12 26.80 -05 37 34.6           ~ 12 0
21 XLSSC 098 ClG 02 12 28 -06 04.6           ~ 11 0
22 XLSSC 099 ClG 02 12 53 -06 12.1           ~ 6 0
23 XLSSC 097 ClG 02 13 22 -06 05.9           ~ 5 0
24 HSCS J021409-053459 ClG 02 14 09 -05 35.1           ~ 10 0
25 ACO 329 ClG 02 14 40.900 -04 33 21.90           ~ 35 0
26 [MFP2015] RCC J0214.6-0355 ClG 02 14 46 -03 56.5           ~ 5 0
27 ACT-CL J0215.3-0343 ClG 02 15 23.99 -03 43 32.2           ~ 28 0
28 HSCS J021528-044041 ClG 02 15 29 -04 40.9           ~ 14 0
29 ACO 334 ClG 02 16 12.2 -04 14 31           ~ 15 0
30 2XLSSd J022045.3-032556 ClG 02 20 45.46 -03 25 59.7           ~ 22 0
31 ACT-CL J0221.7-0346 ClG 02 21 45.8 -03 46 08           ~ 43 0
32 HSCS J022156-054532 ClG 02 21 56 -05 45.4           ~ 15 0
33 HSCS J022207-030314 ClG 02 22 06.85 -03 03 14.5           ~ 17 0
34 2XLSSd J022404.2-041331 ClG 02 24 04.19 -04 13 26.6           ~ 41 0
35 XLSSC 062 ClG 02 24 14 -02 43.3           ~ 5 0
36 HSCS J022457-034853 ClG 02 24 57.1 -03 48 53           ~ 29 0
37 XLSSC 054 ClG 02 25 17 -05 53.3           ~ 9 0
38 HSCS J022525-044045 ClG 02 25 24.6 -04 40 45       17.3   ~ 36 0
39 2MASX J02253077-0414183 GrG 02 25 30.6 -04 14 20           ~ 32 0
40 XLSSU J022540.6-031121 ClG 02 25 40.6 -03 11 21           ~ 16 0
41 HSCS J022549-055346 ClG 02 25 48 -05 53.7           ~ 13 0
42 NPM1G -05.0105 G 02 26 09.6701490432 -04 58 05.640470580   16.11   14.75   ~ 24 0
43 XLSSC 011 ClG 02 26 10.60 -04 58 11.5           ~ 23 0
44 XCLASS 38 ClG 02 26 16.3 -02 39 57           ~ 10 0
45 2XLSSd J022722.4-032145 ClG 02 27 22.39 -03 21 39.2           ~ 24 0
46 XLSSC 103 ClG 02 27 33 -05 57.7           ~ 9 0
47 ACT-CL J0227.6-0317 ClG 02 27 38.20 -03 17 56.9           ~ 22 0
48 [BPR2008] WL07 ClG 02 27 40.3 -04 51 31           ~ 29 0
49 RzCS 185 ClG 02 28 03.4 -04 51 03           ~ 24 0
50 XLSSC 090 ClG 02 28 29 -04 51.4           ~ 6 0
51 HSCS J022831-044351 ClG 02 28 30 -04 44.0           ~ 6 0
52 XMMXCS J022917.7-055345.9 ClG 02 29 17.70 -05 53 45.9           ~ 12 0
53 XLSSC 088 ClG 02 30 27 -04 34.9           ~ 7 0
54 [MFP2015] XCC J0230.8-0421 ClG 02 30 53 -04 20.9           ~ 8 0
55 ACO 362 ClG 02 31 42.20 -04 52 53.1           ~ 39 0
56 ACT-CL J0233.6-0530 ClG 02 33 36.270 -05 30 34.52           ~ 14 0
57 XLSSC 502 ClG 23 13 46 -53 26.3           ~ 5 0
58 LCS-CL J231520-5420.6 ClG 23 15 20 -54 20.7           ~ 6 0
59 XLSSC 501 ClG 23 15 30 -53 03.8           ~ 4 0
60 LCS-CL J231651-5453.9 ClG 23 16 53.1 -54 54 13           ~ 14 0
61 SPT-CL J2317-5357 ClG 23 17 21 -53 57.7           ~ 6 0
62 XLSSC 527 ClG 23 18 17 -55 59.0           ~ 5 0
63 LCS-CL J231843-5612.2 ClG 23 18 44 -56 12.2           ~ 6 0
64 LCS-CL J231848-5617.1 ClG 23 18 48 -56 17.2           ~ 8 0
65 XLSSC 526 ClG 23 19 12 -54 05.2           ~ 4 0
66 XLSSC 544 ClG 23 19 16 -53 32.0           ~ 6 0
67 XBCS J231917.1-551928 ClG 23 19 17.1 -55 19 28           ~ 9 0
68 SCSO J231930-563858 ClG 23 19 30 -56 38.9           ~ 6 0
69 LCS-CL J232026-5321.5 ClG 23 20 25 -53 21.5           ~ 6 0
70 XLSSC 517 ClG 23 21 48 -55 58.3           ~ 5 0
71 ACO S 1115 ClG 23 22 00.40 -54 44 59.7           ~ 17 1
72 SCSO J232230.9-541608.3 ClG 23 22 30.90 -54 16 08.3           ~ 9 0
73 XLSSC 503 ClG 23 22 35 -52 44.8           ~ 5 0
74 XLSSC 545 ClG 23 22 46 -53 23.3           ~ 4 0
75 BAX 351.4129-54.7331 ClG 23 25 39.0 -54 43 57           ~ 19 0
76 SCSO J232540.2-544430.9 ClG 23 25 40.20 -54 44 30.9           ~ 12 0
77 LCS-CL J232541-5316.6 ClG 23 25 42 -53 16.6           ~ 7 0
78 LCS-CL J232612-5318.9 ClG 23 26 13 -53 19.0           ~ 7 0
79 XLSSC 536 ClG 23 26 14 -53 22.4           ~ 4 0
80 LCS-CL J232634-5501.9 ClG 23 26 33.60 -55 01 11.5           ~ 15 0
81 SCSO J232653-524149 ClG 23 26 51 -52 41.6           ~ 6 0
82 XLSSC 504 ClG 23 27 43 -52 25.5           ~ 4 0
83 SPT-CL J2328-5533 ClG 23 28 42.7 -55 33 58           ~ 12 0
84 XLSSC 550 ClG 23 28 49 -52 34.6           ~ 5 0
85 XLSSC 505 ClG 23 29 00 -52 14.3           ~ 5 0
86 SCSO J232916-522910 ClG 23 29 16 -52 29.8           ~ 5 0
87 XLSSC 546 ClG 23 29 40 -53 14.9           ~ 5 0
88 LCS-CL J232955-5608.1 ClG 23 29 56.00 -56 08 08.3           ~ 14 0
89 LCS-CL J233000-5437.3 ClG 23 30 00.40 -54 37 07.7           ~ 15 0
90 LCS-CL J233147-5240.1 ClG 23 31 48 -52 40.1           ~ 6 0
91 XBCS J233204.4-551243 ClG 23 32 04.4 -55 12 43           ~ 10 0
92 LCS-CL J233215-5442.1 ClG 23 32 15.50 -54 42 11.6           ~ 15 0
93 LCS-CL J233227-5358.4 ClG 23 32 26.70 -53 58 20.4           ~ 40 0
94 LCS-CL J233329-5215.2 ClG 23 33 30 -52 15.1           ~ 7 0
95 SPT-CL J2334-5308 ClG 23 34 04 -53 08.5           ~ 6 0
96 SPT-CL J2335-5434 ClG 23 35 31.6 -54 35 11           ~ 11 0
97 SCSO J233607-535235 ClG 23 36 07 -53 52.6           ~ 9 0
98 LCS-CL J233644-5347.7 ClG 23 36 46 -53 47.6           ~ 6 0
99 LCS-CL J233835-5437.4 ClG 23 38 35 -54 37.4           ~ 9 0
100 LCS-CL J233928-5550.0 ClG 23 39 27 -55 50.6           ~ 7 0
101 ACO 4027 ClG 23 41 43 -55 57.9           ~ 10 0
102 XMMXCS J234145.4-564000.7 ClG 23 41 47 -56 40.5           ~ 6 0
103 XLSSC 508 ClG 23 41 52 -53 08.7           ~ 4 0
104 LCS-CL J234231-5621.1 ClG 23 42 32 -56 21.2           ~ 9 0
105 XLSSC 539 ClG 23 43 11 -55 52.9           ~ 7 0
106 LCS-CL J234548-5402.8 ClG 23 45 51 -54 02.6           ~ 6 0
107 XLSSC 510 ClG 23 50 09 -55 20.0           ~ 6 0
108 XLSSC 511 ClG 23 51 01 -55 22.3           ~ 7 0

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2022.05.28-23:02:51

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