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Width of X-ray lines in cooling flows
P. Rebusco, E. Churazov, R. A. Sunyaev +2
The dissipation of turbulent gas motions is one of the likely mechanisms that has been proposed to heat the intracluster medium (ICM) in the cores of clusters and groups of galaxie…
Lines in the cosmic microwave background spectrum from the epoch of cosmological helium recombination
J. A. Rubino-Martin, J. Chluba, R. A. Sunyaev
The main goal of this work is to calculate the contributions to the cosmological recombination spectrum due to bound-bound transitions of helium. We show that due to the presence o…
Broad Lyman-Alpha Emission from Supernova Remnants in Young Galaxies
Kevin Heng, Rashid Sunyaev
Charge transfer (or exchange) reactions between hydrogen atoms and protons in collisionless shocks of supernova remnants (SNRs) are a natural way of producing broad Balmer, Lyman a…
The Richness and Beauty of the Physics of Cosmological Recombination
R. A. Sunyaev, J. Chluba
The physical ingredients to describe the epoch of cosmological recombination are amazingly simple and well-understood. This fact allows us to take into account a very large variety…
The clustering of merging star-forming haloes: dust emission as high frequency arcminute CMB foreground
Mattia Righi, Carlos Hernandez-Monteagudo, Rashid Sunyaev
Future observations of CMB anisotropies will be able to probe high multipole regions of the angular power spectrum, corresponding to a resolution of a few arcminutes. Dust emission…
Is there a need and another way to measure the Cosmic Microwave Background temperature more accurately?
J. Chluba, R. A. Sunyaev
The recombination history of the Universe depends exponentially on the temperature, T_0, of the cosmic microwave background. Therefore tiny changes of T_0 are expected to lead to s…