1994A&A...289L..37P

Query : 1994A&A...289L..37P

1994A&A...289L..37P - Astronomy and Astrophysics, volume 289L37-40 (1994/9-3)

A gravitational lens cluster - Abell 2104 - discovered in the ROSAT All-Sky Survey sample.

PIERRE M., SOUCAIL G., BOEHRINGER H. and SAUVAGEOT J.L.

Abstract (from CDS):

We report the discovery of a new gravitational arc in the bright X-ray cluster A2104, in the course of a photometric and spectroscopic survey of a sample of ROSAT clusters. The arc is located very close to the cluster center and appears redder than previously known giant arcs. Global cluster optical properties and detailed morphological study of the cD and the arc are presented. The X-ray emission is also analysed and a two component decomposition is suggested. The cluster morphology shows a marked preferential direction both in optical and X-rays. Implications for the cluster matter distribution are discussed.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clustering - clusters of galaxies: individual: Abell 2104 - cosmology: observations - dark matter - gravitational lensing - X-rays: galaxies

Nomenclature: Table 1, Fig.1: [PSB94] GN (Nos G1-G5), [PSB94] Arc N=1, [PSB94] AN (Nos A1-A2).

Simbad objects: 14

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Number of rows : 14
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 370 ClG 02 39 50.5 -01 35 08           ~ 825 0
2 ACO 2104 ClG 15 40 06.8 -03 17 39           ~ 113 0
3 2MASX J15400795-0318162 BiC 15 40 07.958 -03 18 16.29   17.80 16.40 15.70 15.11 ~ 9 0
4 ACO 2218 ClG 16 35 54.0 +66 13 00           ~ 827 1
5 ClG 2137-2353 ClG 21 40 12.8 -23 39 27     18.5     ~ 390 0
6 ACO 2390 ClG 21 53 37.4 +17 41 46           ~ 732 2
7 [PSB94] A1 LeI ~ ~           ~ 1 0
8 NAME ACO 2104 Arc LeI ~ ~           ~ 2 0
9 [PSB94] A2 LeI ~ ~           ~ 1 0
10 [PSB94] G1 G ~ ~   19.96       ~ 1 0
11 [PSB94] G2 G ~ ~   20.19       ~ 1 0
12 [PSB94] G3 G ~ ~   18.89       ~ 1 0
13 [PSB94] G4 G ~ ~   21.21       ~ 1 0
14 [PSB94] G5 G ~ ~   21.20       ~ 1 0

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