2005ApJ...630...38C

Query : 2005ApJ...630...38C

2005ApJ...630...38C - Astrophys. J., 630, 38-49 (2005/September-1)

Gemini and Chandra observations of Abell 586, a relaxed strong-lensing cluster.

CYPRIANO E.S., LIMA NETO G.B., SODRE L.Jr, KNEIB J.-P. and CAMPUSANO L.E.

Abstract (from CDS):

We analyze the mass content of the massive strong-lensing cluster Abell 586 (z=0.17). We use optical data (imaging and spectroscopy) obtained with the Gemini Multi-Object Spectrograph (GMOS) mounted on the 8 m Gemini North telescope, together with publicly available X-ray data taken with the Chandra space telescope. Employing different techniques–velocity distribution of galaxies, weak gravitational lensing, and spatially resolved X-ray spectroscopy–we derive mass and velocity dispersion estimates from each of them. All estimates agree well with each other, within a 68% confidence level, indicating a velocity dispersion of 1000-1250 km/s. The projected mass distributions obtained through weak lensing and X-ray emission are strikingly similar, having nearly circular geometry. We suggest that Abell 586 is probably a truly relaxed cluster whose last major merger occurred more than ∼4 Gyr ago.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Observations - Cosmology: Dark Matter - Galaxies: Clusters: Individual: Alphanumeric: A586 - Cosmology: Gravitational Lensing - X-Rays: Galaxies: Clusters

Nomenclature: Table 1: [CLS2005] CSSs-MMSS N=31. Table 2: [CLS2005] GSSs-MMSS N=13.

CDS comments: Table 1: coordinates of [CLS2005] C107-3616 and C107-3725 are inverted. Table 2: coordinates of [CLS2005] G298-3552 and G298-3623 are inverted.

Simbad objects: 53

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Number of rows : 53
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 2744 ClG 00 14 20.03 -30 23 17.8           ~ 1077 0
2 ZwCl 0024+1652 ClG 00 26 35.6 +17 09 32     18.35     ~ 648 1
3 NGC 1426 GiG 03 42 49.0997091480 -22 06 30.173615028   12.21 11.44 10.90   ~ 205 0
4 NGC 1700 EmG 04 56 56.3160873072 -04 51 56.794713228   12   11.14   ~ 356 1
5 [CLS2005] C088-3712 GiC 07 32 08.81 +31 37 12.5           ~ 1 0
6 [CLS2005] C093-3835 GiC 07 32 09.33 +31 38 35.1           ~ 1 0
7 [CLS2005] C094-3542 GiC 07 32 09.3692 +31 35 42.765           ~ 2 0
8 [CLS2005] C107-3725 GiC 07 32 10.68 +31 37 24.8           ~ 1 0
9 [CLS2005] C107-3616 GiC 07 32 10.74 +31 36 16.5           ~ 1 0
10 [CLS2005] C118-3731 GiC 07 32 11.7302812248 +31 37 31.695902472           ~ 2 0
11 [CLS2005] C123-3605 GiC 07 32 12.35 +31 36 04.7           ~ 1 0
12 [CLS2005] C127-3828 GiC 07 32 12.74 +31 38 27.8           ~ 1 0
13 [CLS2005] C131-3619 GiC 07 32 13.13 +31 36 18.6           ~ 1 0
14 [CLS2005] C137-3845 GiC 07 32 13.6524541200 +31 38 45.418921260           ~ 2 0
15 [CLS2005] G137-3635 G 07 32 13.67 +31 36 35.2           ~ 1 0
16 [CLS2005] C144-3717 GiC 07 32 14.42 +31 37 17.3           ~ 1 0
17 [CLS2005] G147-3845 G 07 32 14.72 +31 38 45.1           ~ 1 0
18 [CLS2005] C156-3838 GiC 07 32 15.5229 +31 38 38.641           ~ 2 0
19 [CLS2005] C157-3723 GiC 07 32 15.65 +31 37 22.7           ~ 1 0
20 [CLS2005] C163-3727 GiC 07 32 16.32 +31 37 27.2           ~ 1 0
21 [CLS2005] C169-3839 GiC 07 32 16.86 +31 38 39.3           ~ 1 0
22 [CLS2005] C171-3650 GiC 07 32 17.0301625440 +31 36 50.424434316           ~ 2 0
23 [CLS2005] C176-3744 GiC 07 32 17.56 +31 37 43.8           ~ 1 0
24 SDSS J073217.65+313858.2 GiC 07 32 17.6593006296 +31 38 58.192662768           ~ 3 0
25 [CLS2005] G181-3850 G 07 32 18.07 +31 38 49.9           ~ 1 0
26 [CLS2005] C186-3846 GiC 07 32 18.64 +31 38 46.5           ~ 1 0
27 [CLS2005] C187-3846 GiC 07 32 18.71 +31 38 46.0           ~ 1 0
28 [CLS2005] G194-3816 G 07 32 19.40 +31 38 15.8           ~ 1 0
29 [CLS2005] C197-3726 GiC 07 32 19.74 +31 37 26.3           ~ 1 0
30 [CLS2005] G199-3734 G 07 32 19.92 +31 37 33.6           ~ 1 0
31 ACO 586 ClG 07 32 20.3 +31 37 58           ~ 196 0
32 [CLS2005] G208-3842 G 07 32 20.76 +31 38 41.7           ~ 1 0
33 [CLS2005] C223-3818 GiC 07 32 22.27 +31 38 17.9           ~ 1 0
34 [CLS2005] C231-3752 GiC 07 32 23.08 +31 37 51.9           ~ 1 0
35 [CLS2005] C233-3800 GiC 07 32 23.26 +31 38 00.3           ~ 1 0
36 [CLS2005] G243-3809 G 07 32 24.29 +31 38 08.7           ~ 1 0
37 [CLS2005] G257-3837 G 07 32 25.69 +31 38 37.1           ~ 1 0
38 [CLS2005] C257-3708 GiC 07 32 25.7173 +31 37 08.268           ~ 2 0
39 [CLS2005] C266-3652 GiC 07 32 26.61 +31 36 52.2           ~ 1 0
40 [CLS2005] C268-3631 GiC 07 32 26.7497963616 +31 36 31.252211136           ~ 2 0
41 [CLS2005] C273-3618 GiC 07 32 27.29 +31 36 17.9           ~ 1 0
42 [CLS2005] C276-3652 GiC 07 32 27.5511109752 +31 36 51.849664452           ~ 2 0
43 [CLS2005] C281-3813 GiC 07 32 28.1222156160 +31 38 13.255480248           ~ 2 0
44 [CLS2005] G283-3604 G 07 32 28.33 +31 36 04.2           ~ 1 0
45 [CLS2005] G288-3703 G 07 32 28.78 +31 37 03.3           ~ 1 0
46 [CLS2005] C291-3557 GiC 07 32 29.11 +31 35 56.5           ~ 1 0
47 [CLS2005] G298-3623 GiC 07 32 29.7598 +31 36 23.702           ~ 2 0
48 [CLS2005] G298-3552 G 07 32 29.80 +31 35 51.6           ~ 1 0
49 [CLS2005] G305-3734 G 07 32 30.52 +31 37 34.1           ~ 1 0
50 NGC 3096 GiG 10 00 33.1214332440 -19 39 42.939578196   14.08 13.09 13.03 11.75 ~ 49 0
51 NGC 4087 Sy2 12 05 35.3160307488 -26 31 21.281794356   13.11   11.56   ~ 34 0
52 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2174 2
53 NGC 4751 GiG 12 52 50.7492182112 -42 39 35.537977836   12.99   11.26   ~ 93 0

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