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Browsing School of Science and Technology (2015-2019) by Subject "astrophysics"

Now showing items 1-3 of 3

Note on the effect of a massive accretion disk in the measurements of black hole spins

Bambi, Cosimo; Malafarina, D.; Tsukamoto, Naoki (2014-06-25)

The spin measurement of black holes has important implications in physics and astrophysics. Regardless of the specific technique to estimate the black hole spin, all the current approaches assume that the space-time geometry ...
Supernova distribution about the Galaxy Center

Nussupbekov, Ayan (Nazarbayev University School of Science and Technology, 2017-04)

The discovery of the gravitational waves opened various possibilities in astrophysics. One of them is to use the supermassive black holes at the Galaxy center as focusing lenses for gravitational waves. Because of it, ...
The general solution for relativistic spherical shells

Kijowski, J.; Magli, G.; Malafarina, D. (2005)

The general exact solution of the Einstein-matter field equations describing spherically symmetric shells satisfying an equation of state in closed form is discussed under general assumptions of physical reasonableness. ...