Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pazh...13..843b&link_type=abstract
Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 13, Oct. 1987, p. 843-849. In Russian. In Russian.
Astronomy and Astrophysics
Astronomy
2
Coronas, High Temperature Gases, Intergalactic Media, Mass Distribution, Milky Way Galaxy, Temperature Distribution, Equations Of Motion, Gas Dynamics
Scientific paper
The structure and origin of hot galactic coronae are studied by numerical integration of gas dynamic equations describing coronae. The results of hydrostatic approximation ("cooling flows") are considered in the light of exact (dynamical) solutions. The predictions are made of the corona temperature profile: the temperature would fall outwards if a corona is bound to a galaxy by a massive dark halo, and it would rise outwards if a corona is retained by a hot intergalactic gas (the thermal conductivity is supposed to be suppressed by a magnetic field). This could be checked in forthcoming X-ray observational programs, and the temperature profile could be used then for testing dark halos and intergalactic gas.
Berman V. G.
Suchkov Anatoly A.
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