37 citations · 171 across the 8 of their papers we have counts for
8 papers
Modeling the motion of a bright spot in jets from black holes M87* and SgrA*
Vyacheslav I. Dokuchaev, Natalia O. Nazarova
We study the general relativistic motion of a bright spot in a jet from an accreting black hole. The corresponding lensed images of the moving bright spot are calculated numericall…
Visible shapes of black holes M87* and SgrA*
V. I. Dokuchaev, N. O. Nazarova
We review the physical origins for possible visible images of the supermassive black hole M87* in the galaxy M87 and SgrA* in the Milky Way Galaxy. The classical dark black hole sh…
Silhouettes of invisible black holes
Vyacheslav I. Dokuchaev, Natalia O. Nazarova
In general relativity, isolated black holes are invisible due to an infinitely large redshift of photons propagating from the event horizon to the remote observer. However, the dar…
The brightest point in accretion disk and black hole spin: implication to the image of black hole M87*
Vyacheslav I. Dokuchaev, Natalia O. Nazarova
We propose the simple new method for extracting the value of the black hole spin from the direct high-resolution image of black hole by using a thin accretion disk model. In this m…
Event horizon silhouette: implications to supermassive black holes M87* and SgrA*
Vyacheslav I. Dokuchaev, Natalia O. Nazarova, Vadim P. Smirnov
We demonstrate that a dark silhouette of the black hole illuminated by a thin accretion disk and seen by a distant observer is, in fact, a silhouette of the event horizon hemispher…
Event horizon image within black hole shadow
V. I. Dokuchaev, N. O. Nazarova
We argue that a genuine image of the black hole viewed by a distant observer is not its shadow, but a more compact event horizon image probed by the luminous matter plunging into b…
Gravitational Lensing of a star by a rotating black hole
V. I. Dokuchaev, N. O. Nazarova
The gravitational lensing of a finite star moving around a rotating Kerr black hole has been numerically calculated. Calculations for the direct image of the star and for the first…
Reionization effect enhancement due to primordial black holes
K. M. Belotsky, A. A. Kirillov, N. O. Nazarova +1
Primordial black holes (PBH) could account for variety of phenomena like dark matter, reionization of the Universe, early quasars, coalescence of black holes registered through gra…