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10 papers · 2 filters
XMM-Newton Observation of an X-ray Trail Between the Spiral Galaxy NGC6872 and the Central Elliptical NGC6876 in the Pavo Group
M. Machacek, P. Nulsen, L. Stirbat +2
We present XMM-Newton observations of a trail of enhanced X-rayemission extending along the 8'.7 X 4' region between the spiral NGC6872 and the dominant elliptical NGC6876 in the P…
Chandra temperature profiles for a sample of nearby relaxed galaxy clusters
A. Vikhlinin, M. Markevitch, S. S. Murray +3
We present Chandra gas temperature profiles at large radii for a sample of 13 nearby, relaxed galaxy clusters and groups, which includes A133, A262, A383, A478, A907, A1413, A1795,…
An XMM-Newton view of the cluster of galaxies Abell 85
F. Durret, G. B. Lima Neto, W. Forman
We have observed the cluster of galaxies Abell 85 with XMM-Newton. These data have allowed us to confirm in a previous paper the existence of the extended 4 Mpc filament detected b…
Cen A and its interaction with the x-ray emitting interstellar medium
D. M. Worrall, R. P. Kraft, M. Birkinshaw +4
As the closest radio galaxy, Centaurus A is a powerful laboratory for the X-ray study of radio-emitting structures and their interactions with the hot interstellar medium (ISM). Th…
The survival and destruction of X-ray coronae of early-type galaxies in the rich cluster environments: a case study of Abell 1367
M. Sun, A. Vikhlinin, W. Forman +2
A new Chandra observation of the northwest region of the galaxy cluster A1367 reveals four cool galaxy coronae (0.4 - 1.0 keV) embedded in the hot intracluster medium (ICM) (5 - 6…
Hot Gas Structure in the Elliptical Galaxy NGC 4472
B. A. Biller, C. Jones, W. R. Forman +2
We present X-ray spectroscopic and morphological analyses using Chandra ACIS and ROSAT observations of the giant elliptical galaxy NGC 4472 in the Virgo cluster. We discuss previou…
ESO 3060170 -- a massive fossil galaxy group with a heated gas core?
M. Sun, W. Forman, A. Vikhlinin +3
We present a detailed study of the ESO 3060170 galaxy group combining Chandra, XMM and optical observations. The system is found to be a fossil galaxy group. The group X-ray emissi…
A Deep Chandra Observation of the Distant Galaxy Cluster MS1137.5+6625
Laura Grego, Jan Vrtilek, Leon Van Speybroeck +5
We present results from a deep Chandra observation of MS1137.5+66, a distant (z=0.783) and massive cluster of galaxies. Only a few similarly massive clusters are currently known at…
Evolution of the Cluster X-ray Luminosity Function
C. R. Mullis, A. Vikhlinin, J. P. Henry +6
We report measurements of the cluster X-ray luminosity function out to z=0.8 based on the final sample of 201 galaxy systems from the 160 Square Degree ROSAT Cluster Survey. There…
Reflections of AGN Outbursts in the Gaseous Atmosphere of M87
W. Forman, P. Nulsen, S. Heinz +7
We combined deep Chandra, ROSAT HRI, and XMM-Newton observations of M87 to study the impact of AGN outbursts on its gaseous atmosphere. Many X-ray features appear to be a direct re…