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Optical, J, and K light curves of XTE J1118+480 = KV UMa: the mass of the black hole and the spectrum of the non-stellar component
A. M. Cherepashchuk, N. A. Katysheva, T. S. Khruzina +3
Optical, J, and K photometric observations of the KV UMa black hole X-ray nova in its quiescent state obtained in 2017-2018 are presented. A significant flickering within light cur…
SS433: a massive X-ray binary at advanced evolutionary stage
Anatol Cherepashchuk, Konstantin Postnov, Sergey Molkov +2
INTEGRAL IBIS/ISGRI 18-60 keV observations of SS433 performed in 2003-2011 enabled the hard X-ray phase-resolved orbital and precessional light curves and spectra to be constructed…
Mass ratio in SS433 revisited
A. M. Cherepashchuk, K. A. Postnov, A. A. Belinski
We revisit the determination of binary mass ratio in the Galactic microquasar SS433 based on recent GRAVITY VLTI measurements of mass and angular momentum outflow through a circumb…