Results 131 to 140 of about 2,373,370 (260)

Suzaku Observations of the Cold Front in A3667: A Nonequilibrium Ionization State of the Intracluster Medium

open access: yesThe Astrophysical Journal
We present a systematic study of the thermodynamic properties of the intracluster medium (ICM), including the plasma conditions in the ICM, in the merging galaxy cluster A3667 using Suzaku. We analyze the X-ray spectra of the ICM between the northwestern
Mona Shishido   +2 more
doaj   +1 more source

Ram pressure stripping in a viscous intracluster medium

open access: yes, 2008
In the recent literature there is circumstantial evidence that the viscosity of the intracluster medium may not be too far from the Spitzer value. In this letter, we present two-dimensional hydrodynamical simulations of ram pressure stripping of disc ...
Abadi   +39 more
core   +1 more source

On the Origin of the Ancient, Large-scale Cold Front in the Perseus Cluster of Galaxies

open access: yesThe Astrophysical Journal
The intracluster medium of the Perseus Cluster exhibits spiral-shaped X-ray surface brightness discontinuities known as “cold fronts,” which simulations indicate are caused by the sloshing motion of the gas after the passage of a subcluster.
Elena Bellomi   +6 more
doaj   +1 more source

Outskirts of Abell 1795: Probing gas clumping in the intracluster medium [PDF]

open access: hybrid, 2023
Orsolya E. Kovács   +4 more
openalex   +1 more source

The role of pressure anisotropy in the turbulent intracluster medium

open access: yes, 2012
In low-density plasma environments, such as the intracluster medium (ICM), the Larmour frequency is much larger than the ion-ion collision frequency. In such a case, the thermal pressure becomes anisotropic with respect to the magnetic field orientation ...
Barakat A R   +18 more
core   +1 more source

A Deep Redshift Survey of the Perseus Cluster (A426): Spatial Distribution and Kinematics of Galaxies

open access: yesThe Astrophysical Journal Supplement Series
We study the global kinematics of the Perseus galaxy cluster (A426) at redshift z = 0.017 using a large sample of galaxies from our new MMT/Hectospec spectroscopic observation for this cluster.
Wooseok Kang   +5 more
doaj   +1 more source

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