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Deep Chandra observations of NGC 1404: cluster plasma physics revealed by an infalling early-type galaxy
Yuanyuan Su, Ralph P. Kraft, Elke Roediger +6
The intracluster medium (ICM), as a magnetized and highly ionized fluid, provides an ideal laboratory to study plasma physics under extreme conditions that cannot yet be achieved o…
Capturing the 3D Motion of an Infalling Galaxy via Fluid Dynamics
Yuanyuan Su, Ralph P. Kraft, Paul E. J. Nulsen +6
The Fornax Cluster is the nearest galaxy cluster in the southern sky. NGC 1404 is a bright elliptical galaxy falling through the intracluster medium of the Fornax Cluster. The shar…
Polarization and long-term variability of Sgr A* X-ray echo
E. Churazov, I. Khabibullin, G. Ponti +1
We use a model of the molecular gas distribution within ~100 pc from the center of the Milky Way (Kruijssen, Dale & Longmore) to simulate time evolution and polarization properties…
Not that long time ago in the nearest galaxy: 3D slice of molecular gas revealed by a 110 years old flare of Sgr A*
E. Churazov, I. Khabibullin, R. Sunyaev +1
A powerful outburst of X-ray radiation from the supermassive black hole Sgr A* at the center of the Milky Way is believed to be responsible for the illumination of molecular clouds…
Arithmetic with X-ray images of galaxy clusters: effective equation of state for small-scale perturbations in the ICM
E. Churazov, P. Arevalo, W. Forman +4
We discuss a novel technique of manipulating X-ray images of galaxy clusters to reveal the nature of small-scale density/temperature perturbations in the intra cluster medium (ICM)…
Polarization of thermal bremsstrahlung emission due to electron pressure anisotropy
S. Komarov, I. Khabibullin, E. Churazov +1
Astrophysical plasmas are typically magnetized, with the Larmor radii of the charged particles many orders of magnitude smaller than their collisional mean free paths. The fundamen…