2006ApJ...637L..81S

Query : 2006ApJ...637L..81S

2006ApJ...637L..81S - Astrophys. J., 637, L81-L84 (2006/February-1)

A 70 kiloparsec X-ray tail in the cluster A3627.

SUN M., JONES C., FORMAN W., NULSEN P.E.J., DONAHUE M. and VOIT G.M.

Abstract (from CDS):

We present the discovery of a 70 kpc X-ray tail behind the small late-type galaxy ESO 137-001, in the nearby, hot (T=6.5 keV) merging cluster A3627, from both Chandra and XMM-Newton observations. The tail has a length-to-width ratio of ∼10. It is luminous (L0.5–2keV∼1041 ergs/s), with a temperature of ∼0.7 keV and an X-ray Mgasof ∼109 M☉(∼10% of the galaxy's stellar mass). We interpret this tail as the stripped interstellar medium of ESO 137-001 mixed with the hot cluster medium, with this blue galaxy being converted into a gas-poor galaxy. Three X-ray point sources are detected in the axis of the tail, which may imply active star formation there. The straightness and narrowness of the tail also imply that the turbulence in the intracluster medium is not strong on scales of 20-70 kpc.

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Journal keyword(s): Galaxies: Clusters: General - Galaxies: Clusters: Individual: Alphanumeric: A3627 - galaxies: individual (ESO 137-001) - X-Rays: Galaxies

Nomenclature: Fig 1: [SJF2006] PN (Nos P1-P3).

Simbad objects: 12

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Number of rows : 12
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 426 ClG 03 19 47.6 +41 30 54           ~ 2508 1
2 NAME Great Attractor SCG 10 32 -46.0           ~ 617 0
3 Z 97-87 GiC 11 43 49.1088652488 +19 58 05.954438316 13.96 14.35 13.59 13.29   ~ 237 3
4 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1127 1
5 NGC 4388 Sy2 12 25 46.820 +12 39 43.45 11.91 11.76 11.02     ~ 1433 2
6 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
7 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
8 [SJF2006] P2 X 16 13 23.6 -10 45 30           ~ 1 0
9 [SJF2006] P1 X 16 13 24.3 -10 45 41           ~ 1 0
10 ESO 137-1 AG? 16 13 27.305 -60 45 50.59   14.84   13.87   ~ 132 0
11 ACO 3627 ClG 16 14 22.5 -60 52 07           ~ 340 2
12 [SJF2006] P3 X ~ ~           ~ 1 0

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