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Gravitational lensing by the supermassive black hole in the center of M31
V. Bozza, S. Calchi Novati, L. Mancini
We examine the possibility of observing gravitational lensing in the weak deflection regime by the supermassive black hole in the center of the galaxy M31. This black hole is signi…
Microlensing constraints on the Galactic Bulge Initial Mass Function
S. Calchi Novati, F. De Luca, Ph. Jetzer +2
Aims. We seek to probe the Galactic bulge IMF starting from microlensing observations. Methods. We analyse the recent results of the microlensing campaigns carried out towards the…
Probing MACHOs by observation of M31 pixel lensing with the 1.5m Loiano telescope
S. Calchi Novati, G. Covone, F. De Paolis +9
We analyse a series of pilot observations in order to study microlensing of (unresolved) stars in M31 with the 1.5m Loiano telescope, including observations on both identified vari…