2014A&A...566A.140G


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.04CEST02:52:54

2014A&A...566A.140G - Astronomy and Astrophysics, volume 566A, 140-140 (2014/6-1)

Mining the gap: evolution of the magnitude gap in X-ray galaxy groups from the 3-square-degree XMM coverage of CFHTLS.

GOZALIASL G., FINOGUENOV A., KHOSROSHAHI H.G., MIRKAZEMI M., SALVATO M., JASSUR D.M.Z., ERFANIANFAR G., POPESSO P., TANAKA M., LERCHSTER M., KNEIB J.P., McCRACKEN H.J., MELLIER Y., EGAMI E., PEREIRA M.J., BRIMIOULLE F., ERBEN T. and SEITZ S.

Abstract (from CDS):

We present a catalog of 129 X-ray galaxy groups, covering a redshift range 0.04<z<1.23, selected in the ∼3deg2 part of the CFHTLS W1 field overlapping XMM observations performed under the XMM-LSS project. We carry out a statistical study of the redshift evolution out to redshift one of the magnitude gap between the first and the second brightest cluster galaxies of a well defined mass-selected group sample. We find that the slope of the relation between the fraction of groups and the magnitude gap steepens with redshift, indicating a larger fraction of fossil groups at lower redshifts. We find that 22.2±6% of our groups at z≤0.6 are fossil groups. We compare our results with the predictions of three semi-analytic models based on the Millennium simulation. The intercept of the relation between the magnitude of the brightest galaxy and the value of magnitude gap becomes brighter with increasing redshift. This trend is steeper than the model predictions which we attribute to the younger stellar age of the observed brightest cluster galaxies. This trend argues in favor of stronger evolution of the feedback from active galactic nuclei at z<1 compared to the models. The slope of the relation between the magnitude of the brightest cluster galaxy and the value of the gap does not evolve with redshift and is well reproduced by the models, indicating that the tidal galaxy stripping, put forward as an explanation of the occurrence of the magnitude gap, is both a dominant mechanism and sufficiently well modeled.

Abstract Copyright:

Journal keyword(s): methods: statistical - techniques: photometric - Galaxy: evolution - galaxies: clusters: general - galaxies: clusters - X-rays: surveys

VizieR on-line data: <Available at CDS (J/A+A/566/A140): table1.dat>

Nomenclature: Table 1: [GFK2014] NNNNNN N=128 among (Nos 100010 to 103340) = XMMU JHHMMSS.s+DDMMSS N=128.

Simbad objects: 134

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Number of rows : 134

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NAME SXDSF reg 02 18 00 -05 00.0           ~ 185 1
2 [GFK2014] 100060 GrG 02 20 54.0 -05 06 10           ~ 1 0
3 [GFK2014] 101280 GrG 02 21 05.7 -04 18 31           ~ 1 0
4 [GFK2014] 100150 GrG 02 21 05.9 -05 00 13           ~ 1 0
5 [GFK2014] 100480 GrG 02 21 10.5 -04 42 07           ~ 1 0
6 [GFK2014] 102810 GrG 02 21 19.1 -03 44 51           ~ 1 0
7 [GFK2014] 100600 GrG 02 21 20.7 -04 37 29           ~ 1 0
8 [GFK2014] 101080 GrG 02 21 27.8 -04 23 42           ~ 1 0
9 [GFK2014] 100120 GrG 02 21 27.9 -05 03 41           ~ 1 0
10 [GFK2014] 101340 GrG 02 21 29.4 -04 12 30           ~ 1 0
11 [GFK2014] 101490 GrG 02 21 29.8 -04 05 43           ~ 1 0
12 [GFK2014] 100920 GrG 02 21 32.8 -04 26 56           ~ 1 0
13 [GFK2014] 103330 GrG 02 21 34.7 -04 03 51           ~ 1 0
14 [GFK2014] 100590 GrG 02 21 35.4 -04 40 04           ~ 1 0
15 [GFK2014] 101040 GrG 02 21 39.3 -04 24 24           ~ 1 0
16 [GFK2014] 100950 GrG 02 21 42.0 -04 27 39           ~ 1 0
17 ACT-CL J0221.7-0346 ClG 02 21 45.8 -03 46 08           ~ 37 0
18 [GFK2014] 100820 GrG 02 21 48.6 -04 31 11           ~ 1 0
19 [GFK2014] 100220 GrG 02 21 53.2 -05 01 33           ~ 1 0
20 [GFK2014] 101550 GrG 02 21 58.6 -04 02 48           ~ 1 0
21 [GFK2014] 100640 GrG 02 22 00.2 -04 38 08           ~ 1 0
22 [GFK2014] 101500 GrG 02 22 01.1 -04 06 41           ~ 1 0
23 [RRB2014] RM J022204.6-043300.1 ClG 02 22 05.6 -04 32 47           ~ 16 0
24 [GFK2014] 101120 GrG 02 22 08.2 -04 21 13           ~ 1 0
25 [GFK2014] 101230 GrG 02 22 20.2 -04 16 42           ~ 1 0
26 [GFK2014] 100560 GrG 02 22 22.3 -04 40 40           ~ 1 0
27 [GFK2014] 100370 GrG 02 22 22.7 -04 53 15           ~ 1 0
28 [GFK2014] 101630 GrG 02 22 22.9 -04 01 12           ~ 1 0
29 [GFK2014] 103010 GrG 02 22 25.2 -03 57 01           ~ 1 0
30 [GFK2014] 100690 GrG 02 22 25.6 -04 37 41           ~ 1 0
31 [GFK2014] 102130 GrG 02 22 29.3 -03 52 52           ~ 1 0
32 [GFK2014] 100910 GrG 02 22 35.9 -04 28 54           ~ 1 0
33 [GFK2014] 100450 GrG 02 22 36.9 -04 48 58           ~ 1 0
34 [GFK2014] 101200 GrG 02 22 39.6 -04 18 20           ~ 1 0
35 [GFK2014] 102951 GrG 02 22 42.9 -03 55 30           ~ 1 0
36 [GFK2014] 102910 GrG 02 22 46.9 -03 51 57           ~ 1 0
37 [GFK2014] 101270 GrG 02 22 53.1 -04 16 18           ~ 1 0
38 [GFK2014] 100830 GrG 02 22 54.1 -04 33 09           ~ 1 0
39 2XLSSd J022258.4-040709 GrG 02 22 58.568 -04 07 15.08           ~ 7 0
40 [GFK2014] 101370 GrG 02 23 01.9 -04 09 04           ~ 1 0
41 XLSSC 046 ClG 02 23 03.0 -04 36 22           ~ 33 0
42 [GFK2014] 102220 GrG 02 23 03.4 -03 46 55           ~ 1 0
43 [GFK2014] 100780 GrG 02 23 06.0 -04 34 04           ~ 1 0
44 XLSS J022307.2-041259 ClG 02 23 07 -04 13.0           ~ 4 0
45 [GFK2014] 100190 GrG 02 23 07.7 -04 59 51           ~ 1 0
46 [GFK2014] 101240 GrG 02 23 09.6 -04 17 18           ~ 1 0
47 [GFK2014] 100980 GrG 02 23 25.6 -04 27 21           ~ 1 0
48 [GFK2014] 101130 GrG 02 23 28.3 -04 21 33           ~ 1 0
49 [GFK2014] 100020 GrG 02 23 30.5 -05 04 15           ~ 1 0
50 [GFK2014] 100810 GrG 02 23 31.6 -04 34 39           ~ 1 0
51 [GFK2014] 101000 GrG 02 23 32.5 -04 25 51           ~ 1 0
52 [GFK2014] 100200 GrG 02 23 42.6 -05 02 03           ~ 1 0
53 [RRB2014] RM J022358.0-043504.8 ClG 02 23 57.4 -04 35 17           ~ 17 0
54 [GFK2014] 102570 GrG 02 23 57.5 -03 43 11           ~ 1 0
55 [GFK2014] 103340 GrG 02 23 58.5 -04 56 08           ~ 1 0
56 XMMXCS J022401.1-050542.2 ClG 02 24 00.6 -05 05 25           ~ 20 0
57 [GFK2014] 102780 GrG 02 24 02.5 -03 46 22           ~ 1 0
58 2XLSSd J022404.2-041331 ClG 02 24 04.19 -04 13 26.6           ~ 39 0
59 [GFK2014] 101182 GrG 02 24 06.1 -04 14 43           ~ 1 0
60 XLSSC 007 ClG 02 24 09.0 -03 55 09           ~ 7 0
61 [GFK2014] 100090 GrG 02 24 16.4 -05 03 21           ~ 1 0
62 [GFK2014] 101420 GrG 02 24 19.1 -04 08 15           ~ 1 0
63 [GFK2014] 102750 GrG 02 24 20.5 -03 41 36           ~ 1 0
64 [GFK2014] 100540 GrG 02 24 22.7 -04 43 12           ~ 1 0
65 [GFK2014] 101580 GrG 02 24 25.7 -04 00 58           ~ 1 0
66 [BPR2008] WL04 ClG 02 24 27.0 -04 50 34           ~ 11 0
67 [GFK2014] 100100 GrG 02 24 28.9 -05 05 45           ~ 1 0
68 [GFK2014] 100430 GrG 02 24 31.7 -04 48 15           ~ 1 0
69 [GFK2014] 101380 GrG 02 24 32.2 -04 10 02           ~ 1 0
70 CXOU J022428.2-041529 ClG 02 24 33.8 -04 14 15           ~ 27 0
71 [GFK2014] 100580 GrG 02 24 38.4 -04 38 00           ~ 1 0
72 [GFK2014] 102290 GrG 02 24 41.6 -03 48 59           ~ 1 0
73 [GFK2014] 101391 GrG 02 24 47.7 -04 09 12           ~ 1 0
74 [GFK2014] 100050 GrG 02 24 48.5 -05 05 11           ~ 1 0
75 XMMXCS J0224.9-0348 ClG 02 24 57.1 -03 48 53           ~ 26 0
76 [GFK2014] 100410 GrG 02 25 00.5 -04 48 38           ~ 1 0
77 [GFK2014] 101150 GrG 02 25 06.7 -04 18 52           ~ 1 0
78 XLSSU J022510.5-040147 ClG 02 25 11 -04 01.7           ~ 3 0
79 [GFK2014] 101210 GrG 02 25 19.4 -04 19 09           ~ 1 0
80 RzCS 774 ClG 02 25 20.2 -03 48 30           ~ 14 0
81 [GFK2014] 100960 GrG 02 25 23.6 -04 26 49           ~ 1 0
82 RzCS 262 ClG 02 25 24.6 -04 40 45       17.3   ~ 33 0
83 [GFK2014] 101142 GrG 02 25 29.0 -04 15 41           ~ 1 0
84 [GFK2014] 101540 GrG 02 25 29.4 -04 00 40           ~ 1 0
85 2MASX J02253077-0414183 GrG 02 25 30.6 -04 14 20           ~ 31 0
86 2XLSSd J022532.3-035512 ClG 02 25 32.48 -03 55 09.5           ~ 15 0
87 [GFK2014] 101090 GrG 02 25 36.3 -04 21 52           ~ 1 0
88 [GFK2014] 100010 GrG 02 25 38.9 -05 01 34           ~ 1 0
89 [GFK2014] 102700 GrG 02 25 39.2 -03 41 48           ~ 1 0
90 [GFK2014] 101060 GrG 02 25 39.8 -04 22 55           ~ 1 0
91 [GFK2014] 100860 GrG 02 25 40.0 -04 28 41           ~ 1 0
92 [GFK2014] 101510 GrG 02 25 52.2 -04 07 12           ~ 1 0
93 [GFK2014] 100870 GrG 02 25 56.6 -04 28 35           ~ 1 0
94 [GFK2014] 101620 GrG 02 26 07.0 -04 03 16           ~ 1 0
95 XLSSC 011 ClG 02 26 10.60 -04 58 11.5           ~ 23 0
96 [GFK2014] 100970 GrG 02 26 10.8 -04 24 34           ~ 1 0
97 [GFK2014] 100030 GrG 02 26 17.1 -05 04 47           ~ 1 0
98 XMMXCS J022618.3-040000.1 ClG 02 26 18.300 -04 00 00.10           ~ 2 0
99 [GFK2014] 100750 GrG 02 26 20.4 -04 36 33           ~ 1 0
100 [GFK2014] 103320 GrG 02 26 23.7 -03 43 10           ~ 1 0
101 XLSSC 017 ClG 02 26 27.4 -04 59 55           ~ 11 1
102 [GFK2014] 101320 GrG 02 26 30.7 -04 13 12           ~ 1 0
103 [GFK2014] 101720 GrG 02 26 31.7 -03 56 41           ~ 1 0
104 XLSSC 020 ClG 02 26 32.8 -05 00 32           ~ 7 1
105 XLSSC 014 ClG 02 26 34.5 -04 03 55           ~ 14 0
106 [GFK2014] 101310 GrG 02 26 37.2 -04 16 52           ~ 1 0
107 [GFK2014] 101290 GrG 02 26 43.1 -04 16 22           ~ 1 0
108 [GFK2014] 100550 GrG 02 26 43.3 -04 41 43           ~ 1 0
109 XLSSC 009 ClG 02 26 44.7 -03 41 02           ~ 6 0
110 [GFK2014] 100420 GrG 02 26 48.5 -04 49 40           ~ 1 0
111 [GFK2014] 100700 GrG 02 27 00.2 -04 34 23           ~ 1 0
112 [GFK2014] 101570 GrG 02 27 02.1 -04 05 09           ~ 1 0
113 [GFK2014] 101250 GrG 02 27 09.6 -04 18 11           ~ 1 0
114 [GFK2014] 101020 GrG 02 27 11.9 -04 25 46           ~ 1 0
115 [GFK2014] 100792 GrG 02 27 13.0 -04 35 37           ~ 1 0
116 XLSSU J022725.0-041123 ClG 02 27 24.9 -04 11 31           ~ 8 0
117 RzCS 124 ClG 02 27 25.9 -04 32 15           ~ 27 0
118 [GFK2014] 100130 GrG 02 27 28.2 -05 03 19           ~ 1 0
119 [BPR2008] WL07 ClG 02 27 40.3 -04 51 31           ~ 29 0
120 [GFK2014] 100240 GrG 02 27 40.5 -04 57 38           ~ 1 0
121 [GFK2014] 100520 GrG 02 27 46.4 -04 45 23           ~ 1 0
122 [GFK2014] 102820 GrG 02 27 52.3 -03 50 45           ~ 1 0
123 RzCS 185 ClG 02 28 03.4 -04 51 03           ~ 24 0
124 [GFK2014] 100340 GrG 02 28 05.3 -04 53 56           ~ 1 0
125 [GFK2014] 102090 GrG 02 28 21.2 -03 52 24           ~ 1 0
126 [RRB2014] RM J022827.8-042607.5 ClG 02 28 27.4 -04 25 48           ~ 16 0
127 [GFK2014] 100620 GrG 02 28 30.8 -04 39 42           ~ 1 0
128 [GFK2014] 100110 GrG 02 28 46.9 -05 03 10           ~ 1 0
129 [GFK2014] 100880 GrG 02 29 00.0 -04 29 37           ~ 1 0
130 NAME Chandra Deep Field-South reg 03 32 28.0 -27 48 30           ~ 1811 1
131 ACO S 540 ClG 05 40 06.2 -40 50 29           ~ 44 0
132 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 2064 0
133 NAME Lockman Hole reg 10 45 00.0 +58 00 00           ~ 748 0
134 NAME Chandra Deep Field-North reg 12 36.8 +62 13           ~ 610 0

    Equat.    Gal    SGal    Ecl

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2020.07.04-02:52:54

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