2007MNRAS.379.1343S

Query : 2007MNRAS.379.1343S

2007MNRAS.379.1343S - Mon. Not. R. Astron. Soc., 379, 1343-1351 (2007/August-3)

The discovery of a massive supercluster at z = 0.9 in the UKIDSS Deep eXtragalactic Survey.

SWINBANK A.M., EDGE A.C., SMAIL I., STOTT J.P., BREMER M., SATO Y., VAN BREUKELEN C., JARVIS M., WADDINGTON I., CLEWLEY L., BERGERON J., COTTER G., DYE S., GEACH J.E., GONZALEZ-SOLARES E., HIRST P., IVISON R.J., RAWLINGS S., SIMPSON C., SMITH G.P., VERMA A. and YAMADA T.

Abstract (from CDS):

We analyse the first publicly released deep field of the UK Infrared Deep Sky Survey (UKIDSS) Deep eXtragalactic Survey to identify candidate galaxy overdensities at z ∼ 1 across ∼1 deg2 in the ELAIS-N1 field. Using I - K, J - K and K - 3.6µm colours, we identify and spectroscopically follow up five candidate structures with Gemini/Gemini Multi-Object Spectrograph and confirm that they are all true overdensities with between five and 19 members each. Surprisingly, all five structures lie in a narrow redshift range at z = 0.89±0.01, although they are spread across 30Mpc on the sky. We also find a more distant overdensity at z = 1.09 in one of the spectroscopic survey regions. These five overdense regions lying in a narrow redshift range indicate the presence of a supercluster in this field and by comparing with mock cluster catalogues from N-body simulations we discuss the likely properties of this structure. Overall, we show that the properties of this supercluster are similar to the well-studied Shapley and Hercules superclusters at lower redshift.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): galaxies: clusters: general - galaxies: high-redshift

VizieR on-line data: <Available at CDS (J/MNRAS/379/1343): table1.dat table2.dat table3.dat>

Nomenclature: Table 1: [SES2007] DXSNa (Nos DXS1-DXS5, DXS4a-DXS4b). Tables 2, 3: [SES2007] DXS1-NN (Nos 0 to 25), [SES2007] DXS2-NN (Nos 0 to 24), [SES2007] DXS3-NN (Nos 0 to 28), [SES2007] DXS4-NN, [SES2007] DXS4a-NN, [SES2007] DXS4b-NN,(Nos 0 yo 24), [SES2007] DXS5-NN (Nos 0 to 28).

Simbad objects: 148

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Number of rows : 148
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 3528 ClG 12 54 18.2 -29 01 16           ~ 166 1
2 NAME Shapley Supercluster SCG 13 06.0 -33 04           ~ 677 0
3 ACO 1736 ClG 13 26 52.1 -27 06 33           ~ 268 2
4 NAME Hercules Supercluster SCG 15 47 +18.2           ~ 166 1
5 ClG 1603+4329 SCG 16 04 31.5 +43 21 17           ~ 35 1
6 [SES2007] DXS2-0 GiC 16 08 05.302 +54 45 29.16         22.55 ~ 1 0
7 [SES2007] DXS2-1 G 16 08 10.752 +54 44 21.92         23.51 ~ 1 0
8 [SES2007] DXS1-3 G 16 08 12.576 +54 34 43.86         23.45 ~ 1 0
9 [SES2007] DXS1-6 G 16 08 15.506 +54 35 49.02         22.28 ~ 1 0
10 SDSS J160815.68+543412.9 G 16 08 15.68736 +54 34 12.9324         20.43 ~ 2 0
11 ELAISC15 J160816+543614 G 16 08 16.464 +54 36 14.00         20.81 ~ 4 0
12 [SES2007] DXS1-5 G 16 08 17.498 +54 35 22.80         23.51 ~ 1 0
13 [SES2007] DXS2-3 G 16 08 17.930 +54 43 48.53         22.04 ~ 1 0
14 [SES2007] DXS1-0 G 16 08 18.842 +54 33 30.28         22.38 ~ 1 0
15 [SES2007] DXS2-4 G 16 08 19.152 +54 43 57.72         23.23 ~ 1 0
16 [SES2007] DXS1-20 AGN 16 08 19.200 +54 38 15.11         22.64 ~ 2 0
17 [SES2007] DXS2-2 G 16 08 19.680 +54 42 41.01         22.20 ~ 1 0
18 [SES2007] DXS1-10 G 16 08 20.544 +54 35 54.02         22.13 ~ 1 0
19 [SES2007] DXS1-21 G 16 08 20.566 +54 38 18.06         22.14 ~ 1 0
20 [SES2007] DXS1-4 G 16 08 20.592 +54 34 48.72         21.85 ~ 1 0
21 [SES2007] DXS1-1 G 16 08 20.928 +54 33 25.20         21.75 ~ 1 0
22 [SES2007] DXS2-6 GiC 16 08 21.552 +54 44 53.30         20.97 ~ 1 0
23 [SES2007] DXS2-5 G 16 08 21.600 +54 44 14.93         22.17 ~ 1 0
24 [SES2007] DXS1-7 G 16 08 23.470 +54 35 05.24         21.68 ~ 1 0
25 [SES2007] DXS2-9 G 16 08 24.096 +54 45 12.52         21.57 ~ 1 0
26 [SES2007] DXS2-7 GiC 16 08 24.792 +54 44 25.48         22.00 ~ 1 0
27 [SES2007] DXS2-8 GiC 16 08 25.368 +54 44 35.71         22.50 ~ 1 0
28 [SES2007] DXS2-10 GiC 16 08 25.632 +54 45 09.68         22.15 ~ 1 0
29 [SES2007] DXS1-8 G 16 08 26.426 +54 34 52.50         22.19 ~ 1 0
30 [SES2007] DXS1-11 GiC 16 08 26.474 +54 35 33.79         22.18 ~ 1 0
31 [SES2007] DXS2 ClG 16 08 26.9 +54 45 12           ~ 1 0
32 [SES2007] DXS1 ClG 16 08 27.0 +54 35 47           ~ 1 0
33 [SES2007] DXS1-12 GiC 16 08 27.386 +54 35 40.38         22.25 ~ 1 0
34 [SES2007] DXS1-13 GiC 16 08 27.480 +54 35 49.09         22.40 ~ 1 0
35 [SES2007] DXS1-15 G 16 08 27.554 +54 36 09.94         21.50 ~ 1 0
36 [SES2007] DXS1-22 GiC 16 08 27.818 +54 38 00.82         21.82 ~ 1 0
37 [SES2007] DXS1-14 G 16 08 28.512 +54 35 53.66         22.43 ~ 1 0
38 [SES2007] DXS1-16 G 16 08 28.846 +54 36 08.38         23.22 ~ 1 0
39 [SES2007] DXS2-12 GiC 16 08 28.992 +54 45 02.95         21.60 ~ 1 0
40 [SES2007] DXS2-13 GiC 16 08 28.992 +54 45 19.36         22.65 ~ 1 0
41 [SES2007] DXS2-11 GiC 16 08 29.520 +54 44 41.46         22.41 ~ 1 0
42 [SES2007] DXS1-17 G 16 08 29.880 +54 36 11.02         22.93 ~ 1 0
43 [SES2007] DXS2-15 GiC 16 08 30.190 +54 46 00.41         22.71 ~ 1 0
44 [SES2007] DXS1-23 G 16 08 31.850 +54 37 51.16         21.72 ~ 1 0
45 [SES2007] DXS2-16 G 16 08 32.112 +54 45 49.02         23.79 ~ 1 0
46 [SES2007] DXS2-18 G 16 08 33.120 +54 46 34.10         22.82 ~ 1 0
47 [SES2007] DXS2-14 G 16 08 33.936 +54 44 28.94         22.84 ~ 1 0
48 [SES2007] DXS1-18 G 16 08 34.006 +54 36 05.54         22.67 ~ 1 0
49 [SES2007] DXS1-19 GiC 16 08 34.152 +54 36 17.75         24.09 ~ 1 0
50 SDSS J160836.92+543741.8 rG 16 08 36.92540 +54 37 41.8428           ~ 4 0
51 [SES2007] DXS2-17 G 16 08 37.680 +54 45 05.46         22.17 ~ 1 0
52 [SES2007] DXS2-22 G 16 08 38.448 +54 46 49.88         22.83 ~ 1 0
53 [SES2007] DXS2-24 G 16 08 40.346 +54 46 57.14         21.93 ~ 1 0
54 HSCS J160840.54+544513.7 G 16 08 40.54304 +54 45 13.7164         23.82 ~ 2 0
55 [SES2007] DXS2-23 G 16 08 41.064 +54 46 26.15         22.80 ~ 1 0
56 [SES2007] DXS1-24 G 16 08 43.104 +54 36 41.22         22.43 ~ 1 0
57 [SES2007] DXS2-20 G 16 08 44.088 +54 44 44.46         22.00 ~ 1 0
58 [SES2007] DXS2-21 G 16 08 47.498 +54 44 13.13         21.93 ~ 1 0
59 [SES2007] DXS3-26 G 16 08 51.504 +54 54 58.25         22.24 ~ 1 0
60 [SES2007] DXS3-21 G 16 08 51.880 +54 55 59.26         22.49 ~ 2 0
61 [SES2007] DXS3-28 G 16 08 52.704 +54 54 32.76         21.82 ~ 1 0
62 [SES2007] DXS3-6 G 16 08 53.016 +54 58 26.08         21.90 ~ 1 0
63 [SES2007] DXS3-25 G 16 08 53.700 +54 55 16.77         22.66 ~ 2 0
64 [SES2007] DXS3-22 GiC 16 08 53.738 +54 55 45.01         23.21 ~ 1 0
65 [SES2007] DXS3-24 GiC 16 08 56.042 +54 55 20.25         22.67 ~ 1 0
66 [SES2007] DXS3-14 GiC 16 08 56.240 +54 57 08.36         22.27 ~ 2 0
67 [SES2007] DXS3-18 GiC 16 08 57.400 +54 56 22.22         23.09 ~ 2 0
68 HSCS J160859.06+545748.3 G 16 08 59.050 +54 57 48.23         23.56 ~ 3 0
69 [SES2007] DXS3-16 GiC 16 08 59.594 +54 56 34.01         21.53 ~ 1 0
70 [SES2007] DXS3-13 GiC 16 08 59.974 +54 57 11.30         21.54 ~ 1 0
71 [SES2007] DXS3-17 GiC 16 09 00.168 +54 56 25.59         21.61 ~ 1 0
72 [SES2007] DXS3-4 G 16 09 00.648 +54 58 31.30         22.67 ~ 1 0
73 [SES2007] DXS3-27 G 16 09 00.710 +54 54 35.65         23.16 ~ 2 0
74 [SES2007] DXS3-8 G 16 09 00.816 +54 57 57.13         21.26 ~ 1 0
75 [SES2007] DXS3-15 GiC 16 09 01.224 +54 56 45.24         23.01 ~ 1 0
76 [SES2007] DXS3-7 GiC 16 09 01.296 +54 58 04.21         21.84 ~ 2 0
77 [SES2007] DXS3-12 GiC 16 09 01.410 +54 57 15.47         22.12 ~ 2 0
78 [SES2007] DXS3-19 GiC 16 09 01.797 +54 56 06.27         23.08 ~ 2 0
79 [SES2007] DXS3-23 GiC 16 09 02.010 +54 55 17.84         22.27 ~ 2 0
80 [SES2007] DXS3-3 GiC 16 09 02.566 +54 58 39.34         22.39 ~ 2 0
81 [SES2007] DXS3-1 GiC 16 09 02.590 +54 59 15.40         21.83 ~ 2 0
82 [SES2007] DXS3-20 GiC 16 09 03.150 +54 55 54.31         22.35 ~ 2 0
83 [SES2007] DXS3-11 GiC 16 09 03.260 +54 57 21.89         21.74 ~ 4 0
84 [SES2007] DXS3-10 GiC 16 09 04.448 +54 57 32.16         21.89 ~ 2 0
85 [SES2007] DXS3 ClG 16 09 05.7 +54 57 23           ~ 1 0
86 [SES2007] DXS3-5 G 16 09 07.650 +54 58 13.55         22.73 ~ 2 0
87 [SES2007] DXS3-0 G 16 09 08.780 +54 59 16.49         22.92 ~ 2 0
88 [SES2007] DXS3-2 G 16 09 16.102 +54 58 45.26         22.11 ~ 1 0
89 NAME DXS1/DXS5 Supercluster SCG 16 10.0 +54 50           ~ 3 0
90 ELAIS N1 reg 16 10 01 +54 30.6           ~ 489 0
91 HSCS J161026.88+550058.0 G 16 10 26.88001 +55 00 58.0299         22.78 ~ 2 0
92 HSCS J161028.69+550202.5 G 16 10 28.69236 +55 02 02.5506         22.85 ~ 2 0
93 [SES2007] DXS5-3 GiC 16 10 30.576 +55 00 44.96         22.01 ~ 1 0
94 [SES2007] DXS5-8 GiC 16 10 31.464 +55 01 55.38         23.17 ~ 1 0
95 [SES2007] DXS5-0 GiC 16 10 32.256 +54 59 12.77         22.48 ~ 1 0
96 [SES2007] DXS5-9 G 16 10 32.978 +55 02 18.50         23.46 ~ 1 0
97 [SES2007] DXS5-2 G 16 10 34.776 +54 59 22.17         22.12 ~ 1 0
98 [SES2007] DXS5-4 G 16 10 36.098 +54 59 35.98         22.94 ~ 1 0
99 [SES2007] DXS5-7 GiC 16 10 36.430 +55 00 27.53         21.82 ~ 1 0
100 [SES2007] DXS5-10 GiC 16 10 40.130 +55 00 58.61         22.17 ~ 1 0
101 [SES2007] DXS5-5 G 16 10 40.224 +54 58 48.64         21.65 ~ 1 0
102 [SES2007] DXS5-13 GiC 16 10 42.122 +55 01 20.06         22.05 ~ 1 0
103 [SES2007] DXS5-14 GiC 16 10 42.792 +55 01 26.68         22.12 ~ 1 0
104 [SES2007] DXS5-17 GiC 16 10 42.840 +55 02 07.11         22.19 ~ 1 0
105 [SES2007] DXS5-15 G 16 10 43.488 +55 01 29.56         22.67 ~ 1 0
106 [SES2007] DXS5 ClG 16 10 43.6 +55 01 35           ~ 1 0
107 [SES2007] DXS5-16 GiC 16 10 43.968 +55 01 36.12         23.34 ~ 1 0
108 [SES2007] DXS5-12 G 16 10 44.616 +55 00 22.25         23.38 ~ 1 0
109 [SES2007] DXS5-11 G 16 10 45.576 +54 59 54.78         23.67 ~ 1 0
110 [SES2007] DXS5-21 G 16 10 47.878 +55 02 14.35         23.68 ~ 1 0
111 [SES2007] DXS5-18 G 16 10 48.432 +55 00 57.10         21.72 ~ 1 0
112 [SES2007] DXS5-22 G 16 10 51.240 +55 01 44.11         23.81 ~ 1 0
113 [SES2007] DXS5-20 GiC 16 10 51.624 +55 00 48.96         22.68 ~ 1 0
114 [SES2007] DXS5-27 G 16 10 52.512 +55 03 20.84         23.60 ~ 1 0
115 [SES2007] DXS5-25 G 16 10 54.744 +55 02 09.42         21.85 ~ 1 0
116 [SES2007] DXS5-24 GiC 16 10 56.232 +55 01 05.45         22.07 ~ 1 0
117 [SES2007] DXS5-23 GiC 16 10 56.426 +55 00 41.40         22.68 ~ 1 0
118 [SES2007] DXS5-26 G 16 10 57.770 +55 01 47.28         23.47 ~ 1 0
119 [SES2007] DXS5-28 G 16 10 59.378 +55 02 28.18         22.86 ~ 1 0
120 [SES2007] DXS4a-22 GiC 16 12 42.554 +54 46 23.88         22.83 ~ 1 0
121 [SES2007] DXS4-23 G 16 12 46.586 +54 45 18.29         23.67 ~ 1 0
122 [SES2007] DXS4-24 G 16 12 46.802 +54 44 56.65         23.41 ~ 1 0
123 [SES2007] DXS4-20 G 16 12 50.618 +54 45 22.54         21.45 ~ 1 0
124 [SES2007] DXS4a-21 GiC 16 12 50.736 +54 44 57.00         22.08 ~ 1 0
125 [SES2007] DXS4b-19 GiC 16 12 50.782 +54 45 39.14         22.12 ~ 1 0
126 [SES2007] DXS4b-17 GiC 16 12 53.112 +54 45 42.74         23.31 ~ 1 0
127 [SES2007] DXS4-15 G 16 12 54.240 +54 46 26.97         21.06 ~ 1 0
128 [SES2007] DXS4a-18 GiC 16 12 54.482 +54 45 11.52         23.24 ~ 1 0
129 [SES2007] DXS4a-16 GiC 16 12 55.678 +54 45 51.26         22.35 ~ 1 0
130 [SES2007] DXS4b-14 GiC 16 12 57.840 +54 46 05.19         22.22 ~ 1 0
131 [SES2007] DXS4b-13 GiC 16 12 58.846 +54 46 20.00         23.36 ~ 1 0
132 HSCS J161300.80+544633.5 G 16 13 00.80905 +54 46 33.5296         23.51 ~ 2 0
133 HSCS J161300.81+544801.3 G 16 13 00.81267 +54 48 01.3015         23.46 ~ 2 0
134 HSCS J161301.28+544602.1 GiC 16 13 01.28921 +54 46 02.1624         23.17 ~ 2 0
135 SWIRE J161301.67+544609.9 AGN 16 13 01.680 +54 46 09.98         21.87 ~ 4 0
136 [SES2007] DXS4 ClG 16 13 01.7 +54 46 06           ~ 1 0
137 [SES2007] DXS4b ClG 16 13 01.7 +54 46 06           ~ 1 0
138 [SES2007] DXS4a ClG 16 13 01.7 +54 46 06           ~ 1 0
139 [SES2007] DXS4b-8 GiC 16 13 03.264 +54 46 41.16         22.84 ~ 1 0
140 [SES2007] DXS4-9 G 16 13 04.754 +54 45 55.69         23.30 ~ 1 0
141 [SES2007] DXS4a-7 GiC 16 13 05.424 +54 46 46.35         22.60 ~ 1 0
142 [SES2007] DXS4b-4 GiC 16 13 07.752 +54 47 55.60         21.62 ~ 1 0
143 [SES2007] DXS4-5 G 16 13 10.200 +54 46 59.09         21.56 ~ 1 0
144 [SES2007] DXS4a-3 GiC 16 13 12.792 +54 47 16.30         21.90 ~ 1 0
145 [SES2007] DXS4-2 G 16 13 13.968 +54 47 29.98         22.29 ~ 1 0
146 [SES2007] DXS4-0 G 16 13 15.600 +54 47 46.47         22.90 ~ 1 0
147 HSCS J161316.14+544728.9 G 16 13 16.14098 +54 47 28.9398         22.84 ~ 2 0
148 BD+28 4211 HS* 21 51 11.0221915656 +28 51 50.367627468 8.922 10.25 10.58 10.656 10.831 sdO2VIIIHe5 837 0

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