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Simulating Astro-E2 Observations of Galaxy Clusters: the Case of Turbulent Cores Affected by Tsunamis
Yutaka Fujita, Tomoaki Matsumoto, Keiichi Wada +1
This is the first attempt to construct detailed X-ray spectra of clusters of galaxies from the results of high-resolution hydrodynamic simulations and simulate X-ray observations i…
XMM-Newton Observations of A133: A Weak Shock Passing through the Cool Core
Yutaka Fujita, Craig L. Sarazin, Thomas H. Reiprich +5
We use XMM-Newton observations of the cluster of galaxies A133 to study the X-ray spectrum of the intracluster medium (ICM). We find a cold front to the southeast of the cluster co…
Strong Turbulence in the Cool Cores of Galaxy Clusters: Can Tsunamis Solve the Cooling Flow Problem?
Yutaka Fujita, Tomoaki Matsumoto, Keiichi Wada
Based on high-resolution two-dimensional hydrodynamic simulations, we show that the bulk gas motions in a cluster of galaxies, which are naturally expected during the process of hi…
The Evolution of Galaxies in and around Clusters at High-Redshift
Yutaka Fujita, Tomotsugu Goto
In this paper, we focus on ram-pressure stripping and evaporation of disk galaxies in and around a cluster. We show that the evolution of the disk surface density affects the effic…
Can Supermassive Black Holes Sufficiently Heat Cool Cores of Galaxy Clusters?
Yutaka Fujita, Thomas H. Reiprich
Activities of a supermassive black hole or active galactic nucleus in the central galaxy of a cluster of galaxies have been promising candidates for heating sources of cool cluster…