P-V Criticality Of Topological Black Holes In Lovelock-Born-Infeld Gravity, Phase Transitions, Geometrothermodynamics And Critical Exponents Of Black Holes, Strong Gravitational Lensing In A Brane-World Black Hole, Strong Coupling In Hořava Gravity...

K.N.P. Kumar


Monitoring the orbits of stars around (e&eb) Sgr A* offers(eb)the possibility of detecting (e&eb) the precession of (e) their orbital planes due to (e) frame dragging, of (e) measuring the spin and quadrupole moment of (e) the black hole, and of (e)testing the no-hair theorem. Here authors investigate whether the deviations of stellar orbits from (e) test-particle trajectories due to (e) wind mass loss and (e&eb) tidal dissipation of (e) the orbital energy compromise such measurements. Authors find that the effects of stellar winds are (=), in general, negligible. On the other hand, for the most eccentric orbits (e>0.96) for which an optical interferometer, such as GRAVITY, will detect orbital plane precession due to (e) frame dragging, the tidal dissipation of orbital energy occurs at (eb) timescales comparable to....

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ISSN (Paper)2224-719X ISSN (Online)2225-0638

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