2 papers
gr-qc2026
Testing the Spacetime Geometry of Sgr A* with the Relativistic Orbit of S2 star
Parth Bambhaniya, Preet Dalal, Giovani H. Vicentin +3
In this work, we perform a relativistic test of the spacetime geometry of Sagittarius A* (Sgr A*) using the orbit of the S2 star. We consider a broad class of compact object models…
astro-ph.HE2025
High-Energy Extractions from Horizonless Compact Objects
Parth Bambhaniya, Elisabete M. de Gouveia Dal Pino
High-energy astrophysical sources such as active galactic nuclei, quasars, X-ray binaries, and gamma-ray bursts are powered by mechanisms that convert gravitational or rotational e…