2009A&A...505L...9T

Query : 2009A&A...505L...9T

2009A&A...505L...9T - Astronomy and Astrophysics, volume 505L9-12 (2009/10-2)

The spectroscopically confirmed huge cosmic structure at z = 0.55.

TANAKA M., FINOGUENOV A., KODAMA T., KOYAMA Y., MAUGHAN B. and NAKATA F.

Abstract (from CDS):

We report on the spectroscopic confirmation of a huge cosmic structure around the CL0016 cluster at z=0.55. We made wide-field imaging observations of the surrounding regions of the cluster and identified more than 30 concentrations of red galaxies near the cluster redshift. The follow-up spectroscopic observations of the most prominent part of the structure confirmed 14 systems close to the cluster redshift, roughly half of which have a probability of being bound to the cluster dynamically. We also made an X-ray follow-up, which detected extended X-ray emissions from 70% of the systems in the X-ray surveyed region. The observed structure is among the richest ever observed in the distant Universe. They will be an ideal site for quantifying environmental variations in the galaxy properties and effects of large-scale structure on galaxy evolution.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: individual: CL0016+16 - large-scale structure of Universe

Nomenclature: Fig. 2, Table 1: [TFK2009] Clump NN (Nos 1-17).

Simbad objects: 18

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Number of rows : 18
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 [TFK2009] Clump 1 GrG 00 17 40.2 +16 24 59           ~ 1 0
2 [TFK2009] Clump 2 GrG 00 17 58.9 +16 23 28           ~ 1 0
3 [TFK2009] Clump 3 GrG 00 18 16.4 +16 14 02           ~ 1 0
4 ACT-CL J0018.3+1618 ClG 00 18 18.4558 +16 18 18.030       19.85   ~ 29 0
5 ClG 0016+16 ClG 00 18 33.3 +16 26 36           ~ 517 0
6 [TFK2009] Clump 5 GrG 00 18 43.7 +16 33 17           ~ 1 0
7 ACT-CL J0018.8+1602 ClG 00 18 48.2 +16 02 14           ~ 16 0
8 [TFK2009] Clump 7 GrG 00 19 06.5 +16 53 02           ~ 1 0
9 [TFK2009] Clump 8 Gr? 00 19 17.6 +16 48 29           ~ 1 0
10 [TFK2009] Clump 9 Gr? 00 19 22.2 +16 24 32           ~ 1 0
11 [TFK2009] Clump 10 GrG 00 19 25.7 +16 05 23           ~ 1 0
12 [TFK2009] Clump 11 GrG 00 19 31.5 +16 27 44           ~ 1 0
13 [TFK2009] Clump 12 GrG 00 19 32.4 +16 02 03           ~ 1 0
14 [TFK2009] Clump 13 GrG 00 19 47.9 +16 28 11           ~ 1 0
15 [TFK2009] Clump 14 Gr? 00 19 53.3 +16 36 02           ~ 1 0
16 [TFK2009] Clump 15 GrG 00 19 58.4 +16 46 58           ~ 1 0
17 [TFK2009] Clump 16 Gr? 00 20 10.4 +16 25 21           ~ 1 0
18 [TFK2009] Clump 17 GrG 00 20 29.9 +16 33 23           ~ 1 0

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