2003ApJ...597..218W

Query : 2003ApJ...597..218W

2003ApJ...597..218W - Astrophys. J., 597, 218-224 (2003/November-1)

Weak-lensing discovery and tomography of a cluster at z = 0.68.

WITTMAN D., MARGONINER V.E., TYSON J.A., COHEN J.G., BECKER A.C. and DELL'ANTONIO I.P.

Abstract (from CDS):

We report the weak-lensing discovery, spectroscopic confirmation, and weak-lensing tomography of a massive cluster of galaxies at z=0.68, demonstrating that shear selection of clusters works at redshifts high enough to be cosmologically interesting. The mass estimate from weak lensing, 11.1±2.8x1014(r/Mpc)M☉within projected radius r, agrees with that derived from the spectroscopy (σv=980 km/s) and with the position of an arc that is likely to be a strongly lensed background galaxy. The redshift estimate from weak-lensing tomography is consistent with the spectroscopy, demonstrating the feasibility of baryon-unbiased mass surveys. This tomographic technique will be able to roughly identify the redshifts of any dark clusters that may appear in shear-selected samples up to z∼1.

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Journal keyword(s): Galaxies: Clusters: General - Cosmology: Gravitational Lensing - Surveys

Nomenclature: [WMT2003] Cluster N=1. Table 1: [WMT2003] JHHMMSS.s+DDMMSS N=22.

Simbad objects: 26

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Number of rows : 26
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 [WMT2003] J105455.0-050107 GiC 10 54 55.0 -05 01 07           ~ 1 0
2 [WMT2003] J105455.8-050041 G 10 54 55.8 -05 00 41           ~ 1 0
3 [WMT2003] J105457.8-050150 GiC 10 54 57.8 -05 01 50           ~ 1 0
4 [WMT2003] J105459.7-050052 G 10 54 59.7 -05 00 52           ~ 1 0
5 [WMT2003] J105502.6-050203 GiC 10 55 02.6 -05 02 03           ~ 1 0
6 [WMT2003] J105504.8-050231 G 10 55 04.8 -05 02 31           ~ 1 0
7 [WMT2003] J105505.6-050253 G 10 55 05.6 -05 02 53           ~ 1 0
8 [WMT2003] J105506.8-050318 GiC 10 55 06.8 -05 03 18           ~ 1 0
9 [WMT2003] J105507.2-050323 G 10 55 07.2 -05 03 23           ~ 1 0
10 [WMT2003] J105508.4-050331 GiC 10 55 08.4 -05 03 31           ~ 1 0
11 [WMT2003] J105508.8-050401 GiC 10 55 08.8 -05 04 01           ~ 1 0
12 [WMT2003] J105509.1-050622 GiC 10 55 09.1 -05 06 22           ~ 1 0
13 [WMT2003] J105510.1-050413 G 10 55 10.1 -05 04 13           ~ 1 0
14 [WMT2003] J105510.4-050412 GiC 10 55 10.4 -05 04 12           ~ 1 0
15 [WMT2003] J105510.7-050418 GiC 10 55 10.7 -05 04 18           ~ 1 0
16 [WMT2003] J105511.1-050437 GiC 10 55 11.1 -05 04 37           ~ 1 0
17 ClG J1055-0504 ClG 10 55 11.6 -05 04 16           ~ 11 0
18 [WMT2003] J105511.8-050531 GiC 10 55 11.8 -05 05 31           ~ 1 0
19 [WMT2003] J105512.1-050435 GiC 10 55 12.1 -05 04 35           ~ 1 0
20 [WMT2003] J105512.3-050409 GiC 10 55 12.3 -05 04 09           ~ 1 0
21 [WMT2003] J105512.8-050454 G 10 55 12.8 -05 04 54           ~ 1 0
22 [WMT2003] J105515.4-050514 GiC 10 55 15.4 -05 05 14           ~ 1 0
23 [WMT2003] J105519.1-050449 G 10 55 19.1 -05 04 49           ~ 1 0
24 ClG 1054-03 ClG 10 57 00.2 -03 37 27     22     ~ 458 0
25 ClG 1224+20 ClG 12 27 14.9 +19 51 06   19.0       ~ 96 0
26 ClG 1603+4313 ClG 16 04 23.7 +43 04 52           ~ 134 1

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