3 papers
astro-ph2005
Gravitational Lensing of stars in the central arcsecond of our Galaxy
V. Bozza, L. Mancini
In the neighborhood of Sgr A*, several stars (S2, S12, S14, S1, S8, S13) enjoy an accurate determination of their orbital parameters. General Relativity predicts that the central b…
astro-ph2004
Microlensing by gas filaments
V. Bozza, L. Mancini
Gas in the interstellar matter is generally organized in filamentary structures, which may be also relevant for a complementary explanation of the dark matter in the Galactic halo.…
astro-ph2004
Gravitational Lensing by Black Holes: a comprehensive treatment and the case of the star S2
V. Bozza, L. Mancini
Light rays passing very close to a black hole may experience very strong deviations. Two geometries were separately considered in the recent literature: a source behind the black h…