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Accretion of helium and metal-rich gas onto neutron stars and black holes at high luminosities
J. Dunkel, J. Chluba, R. A. Sunyaev
Ultraluminous X-ray sources fed by Wolf-Rayet star winds and X-ray bursters in ultracompact binaries with He or C white dwarfs have accretion disks, whose properties may significan…
Screening of the Magnetic Field of Disk Accreting Stars
R. V. E. Lovelace, M. M. Romanova, G. S. Bisnovatyi-Kogan
An analytical model is developed for the screening of the external magnetic field of a rotating, axisymmetric neutron star due to the accretion of plasma from a disk. The decrease…
Chandra temperature profiles for a sample of nearby relaxed galaxy clusters
A. Vikhlinin, M. Markevitch, S. S. Murray +3
We present Chandra gas temperature profiles at large radii for a sample of 13 nearby, relaxed galaxy clusters and groups, which includes A133, A262, A383, A478, A907, A1413, A1795,…
Gamma-ray burst interaction with dense interstellar medium
Maxim Barkov, Gennady Bisnovatyi-Kogan
Interaction of cosmological gamma ray burst radiation with the dense interstellar medium of host galaxy is considered. Gas dynamical motion of interstellar medium driven by gamma r…