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Dynamics and Magnetization in Galaxy Cluster Cores Traced by X-ray Cold Fronts
Uri Keshet, Maxim Markevitch, Yuval Birnboim +1
Cold fronts (CFs) - density and temperature plasma discontinuities - are ubiquitous in cool cores of galaxy clusters, where they appear as X-ray brightness edges in the intracluste…
Cold Fronts from Shock Collisions
Yuval Birnboim, Uri Keshet, Lars Hernquist
Cold fronts (CFs) are found in most galaxy clusters, as well as in some galaxies and groups of galaxies. We propose that some CFs are relics of collisions between trailing shocks.…
Gravitational heating, clumps, overheating
Yuval Birnboim
There is no shortage of energy around to solve the overcooling problem of cooling flow clusters. AGNs, as well as gravitational energy are both energetic enough to balance the cool…
Magnetically Regulated Gas Accretion in High-Redshift Galactic Disks
Yuval Birnboim
Disk galaxies are in hydrostatic equilibrium along their vertical axis. The pressure allowing for this configuration consists of thermal, turbulent, magnetic and cosmic ray compone…
The Kinetic Sunyaev-Zel'dovich effect of the Milky Way Halo
Yuval Birnboim, Abraham Loeb
We calculate the expected imprint of the ionized gas in the Milky-Way halo on the Cosmic Microwave Background (CMB) through the kinetic Sunyaev-Zel'dovich (kSZ) effect. Unlike othe…