Quasi-Periodic Oscillations, Mass and Jets of Black Holes: XTE J1550-564 and Sgr A*

Authors: Jacob Biemond

In this paper the recently proposed three tori model for the explanation of three high frequency quasi-periodic oscillations (QPOs) has been applied to black holes. The circular tori are: an outer torus with charge Qo, a torus with mass mm in the middle and an inner torus with charge Qi, whereas the star bears a charge Qs. Especially, the gravitational interaction between the torus with mass mm and the masses of the other two tori has been taken into account in this work. For the explanation of four low frequency QPOs a special interpretation of the gravitomagnetic theory has again been applied. Predictions of the new model are compatible with deduced high and low frequency QPOs of the stellar black hole XTE J1550-564 and the supermassive black hole Sgr A*. Moreover, the Lense-Thirring precession frequency for black holes is discussed. Furthermore, it is shown, that a massive torus around Sgr A* may lead to a higher and anisotropic observed mass for the black hole. Finally, the origin of jets is investigated by studying the radial motion of charge in the Kerr-Newman space-time. It is shown that charge may be bound on a shell slightly outside the ergosphere.

Comments: 32 pages, including 5 figures and 5 tables.

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Submission history

[v1] 18 Jan 2010

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