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Optical identification of hard X-ray source IGRJ18257-0707
R. A. Burenin, I. F. Bikmaev, M. G. Revnivtsev +4
We present the results of the optical identification of hard X-ray source IGRJ18257-0707 trough the spectroscopic observations of its optical counterpart with RTT150 telescope. Acc…
Time-Dependent Corrections to the Ly-alpha Escape Probability During Cosmological Hydrogen Recombination
J. Chluba, R. A. Sunyaev
We consider the effects connected with the detailed radiative transfer during the epoch of cosmological recombination on the ionization history of our Universe. We focus on the esc…
Fine-structure infrared lines from the Cassiopeia A knots
D. Docenko, R. A. Sunyaev
Aims: Archival observations of infrared fine-structure lines of the young Galactic supernova remnant Cassiopeia A allow us to test existing models and determine the physical parame…
Carbon monoxide line emission as a CMB foreground: tomography of the star-forming universe with different spectral resolutions
Mattia Righi, Carlos Hernandez-Monteagudo, Rashid Sunyaev
The rotational lines of carbon monoxide and the fine structure lines of CII and of the most abundant metals, emitted during the epoch of enhanced star formation in the universe, ar…
Evolution of low-frequency features in the CMB spectrum due to stimulated Compton scattering and Doppler-broadening
J. Chluba, R. A. Sunyaev
We discuss a new solution of the Kompaneets-equation for physical situations in which low frequency photons, forming relatively narrow spectral details, are Compton scattered in an…
Optical and near-infrared recombination lines of oxygen ions from Cassiopeia A knots
D. Docenko, R. A. Sunyaev
Context. Fast-moving knots (FMK) in the Galactic supernova remnant Cassiopeia A consist mainly of metals and allow to study element production in supernovae and shock physics in gr…