Extended X-ray sources and missing masses in clusters of galaxies

Details Extended X-ray sources and missing masses in clusters of galaxies Extended X-ray sources and missing masses in clusters of galaxies

Oct 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974pthph..52.1392h&link_type=abstract

Progress of Theoretical Physics, vol. 52, Oct. 1974, p. 1392, 1393.

Astronomy and Astrophysics

Astrophysics

1

Bremsstrahlung, Galactic Clusters, Thermal Radiation, Virial Theorem, X Ray Sources, Density Distribution, Gravitational Effects, High Temperature Gases, Missing Mass (Astrophysics), Thermal Conductivity

Scientific paper

The existence of missing mass in galaxy clusters which contain hot gases and emit thermal-bremsstrahlung radiation is discussed. X-ray data is used to determine the amount of missing mass required to bend the hot gas. Equations for the densities and the masses of the hot gas and the missing mass are presented with the results indicating that if hot gas does exist in galaxy clusters and if it is gravitationally bound, the same missing mass as that determined from the dynamics of galaxies is necessary.

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