no code implementations • 2 Mar 2021 • N. I. Shakura, D. A. Kolesnikov, K. A. Postnov
Regular variations of the pulse period of Her X-1 with X-ray flux observed by Fermi-GBM are examined.
High Energy Astrophysical Phenomena
no code implementations • 25 Feb 2021 • N. I. Shakura, D. A. Kolesnikov, P. S. Medvedev, R. A. Sunyaev, M. R. Gilfanov, K. A. Postnov, S. V. Molkov
Both observations occurred during a low state of the X-ray source when the outer parts of the accretion disk blocked the neutron star from view.
High Energy Astrophysical Phenomena
