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Synthetic Doppler maps of gaseous flows in semidetached binaries based on the results of 3D gas dynamical simulations
D. V. Bisikalo, A. A. Boyarchuk, O. A. Kuznetsov +1
We present synthetic Doppler maps of gaseous flows in semidetached binaries based on the results of 3D gas dynamical simulations. Using of gas dynamical calculations alongside with…
Photometric study of fields of nearby pulsars with the 6m telescope
V. G. Kurt, V. N. Komarova, T. A. Fatkhullin +3
Fields of Geminga, PSR B0950+08, PSR J1908+0734 and PSR J0108-1431 have been observed within the program of optical investigation of nearby neutron stars carried out with the 6m te…
Fourier power spectra at high frequencies: a way to distinguish a neutron star from a black hole
R. Sunyaev, M. Revnivtsev
We analyzed the power density spectra of a sample of 9 neutron star and 9 black hole binaries in the low/hard spectral state. In the power density spectra of accreting neutron star…
Non-conservative Evolution of Cataclysmic Variables
A. V. Fedorova, D. V. Bisikalo, A. A. Boyarchuk +3
We suggest a new mechanism to account for the loss of angular momentum in binaries with non-conservative mass exchange. It is shown that in some cases the loss of matter can result…
Driven-disk model for binaries with precessing donor star. Three-dimensional simulations
D. V. Bisikalo, A. A. Boyarchuk, O. A. Kuznetsov +1
We present the results of three-dimensional numerical simulations of mass transfer in semi-detached binary with a donor star whose rotation vector precesses around the orbital rota…
Comptonization, reflection and noise in black hole binaries
M. Gilfanov, E. Churazov, M. Revnivtsev
Based on the analysis of a large sample of RXTE/PCA observations of several black hole binaries in the low spectral state we show that a correlation exists between the spectral par…