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| Query : 2005MNRAS.356..237J |
2005MNRAS.356..237J - Mon. Not. R. Astron. Soc., 356, 237-246 (2005/January-1)
The galaxy cluster Abell 3581 as seen by Chandra.
JOHNSTONE R.M., FABIAN A.C., MORRIS R.G. and TAYLOR G.B.
Abstract (from CDS):
We present results from an analysis of a Chandra observation of the cluster of galaxies Abell 3581. We discover the presence of a point-source in the central dominant galaxy that is coincident with the core of the radio source PKS 1404-267. The emission from the intracluster medium is analysed, both as seen in projection on the sky, and after correcting for projection effects, to determine the spatial distribution of gas temperature, density and metallicity. We find that the cluster, despite hosting a moderately powerful radio source, shows a temperature decline to around 0.4 Tmaxwithin the central 5 kpc. The cluster is notable for the low entropy within its core. We test and validate the xspec projct model for determining the intrinsic cluster gas properties.
Abstract Copyright: 2004 RAS
Journal keyword(s): galaxies: clusters: general - galaxies: clusters: individual: Abell 3581 - intergalactic medium - X-rays: galaxies: clusters
Simbad objects: 10
| Number of rows : 10 |
| 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 262 | ClG | 01 52 50.4 | +36 08 46 | ~ | 727 | 1 | |||||
| 2 | ACO 426 | ClG | 03 19 47.6 | +41 30 54 | ~ | 2508 | 1 | |||||
| 3 | NAME Virgo Cluster | ClG | 12 30 47.8 | +12 23 07 | ~ | 7107 | 0 | |||||
| 4 | M 87 | AGN | 12 30 49.42338414 | +12 23 28.0436859 | 10.16 | 9.59 | 8.63 | 7.49 | ~ | 7815 | 3 | |
| 5 | M 104 | LIN | 12 39 59.43185902 | -11 37 22.9961800 | 9.51 | 9.55 | 8.00 | 8.05 | ~ | 1465 | 2 | |
| 6 | IC 4374 | Bla | 14 07 29.76229070 | -27 01 04.2916695 | 13.61 | 11.79 | 12.55 | ~ | 142 | 3 | ||
| 7 | ACO 3581 | ClG | 14 07 29.8 | -27 01 04 | ~ | 197 | 3 | |||||
| 8 | ACO 1983 | ClG | 14 52 59.33 | +16 46 11.0 | ~ | 249 | 1 | |||||
| 9 | ACO 2199 | ClG | 16 28 34.5 | +39 32 26 | ~ | 1206 | 1 | |||||
| 10 | NGC 6166 | Sy2 | 16 28 38.24470063 | +39 33 04.2335319 | 12.78 | 11.78 | ~ | 793 | 2 |
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