3.3k citations · 18.9k across the 110 of their papers we have counts for
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Testing Horndeski gravity with S2 star orbit
Riccardo Della Monica, Ivan de Martino, Daniele Vernieri +1
We have explored a completely new and alternative way to restrict the parameter space of Horndeski theory of gravity. Using its Newtonian limit, it is possible to test the theory a…
Are nonsingular black holes with super-Planckian hair ruled out by S2 star data?
M. Cadoni, M. De Laurentis, I. De Martino +3
We propose a novel nonsingular black-hole spacetime representing a strong deformation of the Schwarzschild solution with mass by an additional hair , which may be hierarc…
The Galactic Center as a laboratory for theories of gravity and dark matter
Mariafelicia de Laurentis, Ivan De Martino, Riccardo Della Monica
The Galactic Center of the Milky Way, thanks to its proximity, allows to perform astronomical observations that investigate physical phenomena at the edge of astrophysics and funda…
Millimeter light curves of Sagittarius A* observed during the 2017 Event Horizon Telescope campaign
Maciek Wielgus, Nicola Marchili, Ivan Marti-Vidal +28
The Event Horizon Telescope (EHT) observed the compact radio source, Sagittarius A* (Sgr A*), in the Galactic Center on 2017 April 5-11 in the 1.3 millimeter wavelength band. At th…
Constraining MOdified Gravity with the S2 Star
Riccardo Della Monica, Ivan de Martino, Mariafelicia de Laurentis
We have used publicly available kinematic data for the S2 star to constrain the parameter space of MOdified Gravity. Integrating geodesics and using a Markov Chain Monte Carlo algo…
The accurate mass distribution of M87, the Giant Galaxy with imaged shadow of its supermassive black hole, as a portal to new Physics
Maria Felicia De Laurentis, Paolo Salucci
The very careful Event Horizon Telescope estimate of the mass of the supermassive black hole at the center of the Giant CD galaxy M87, allied with recent high quality photometric a…