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The Science of the Einstein Telescope
Adrian Abac, Raul Abramo, Simone Albanesi +485
Einstein Telescope (ET) is the European project for a gravitational-wave (GW) observatory of third-generation. In this paper we present a comprehensive discussion of its science ob…
On the principle of Astrometric Gravitational Wave Antenna
Mariateresa Crosta, Mario G. Lattanzi, Christophe Le Poncin-Lafitte +3
The direct detection of gravitational waves by ground-based optical interferometers has opened a new window in astronomy. Nevertheless, as these detectors are a combination of two…
The Ray Tracing Analytical Solution within the RAMOD framework. The case of a Gaia-like observer
Mariateresa Crosta, Alberto Vecchiato, Fernando de Felice +1
This paper presents the analytical solution of the inverse ray tracing problem for photons emitted by a star and collected by an observer located in the gravitational field of the…
The Erez-Rosen metric and the role of the quadrupole on light propagation
Donato Bini, Mariateresa Crosta, Fernando de Felice +2
The gravitational field of a static body with quadrupole moment is described by an exact solution found by Erez and Rosen. Here we investigate the role of the quadrupole in the mot…
Latest advances in an astrometric model based on the Time Transfer Functions formalism
Stefano Bertone, Alberto Vecchiato, Christophe Le Poncin-Lafitte +2
Given the extreme accuracy of modern space astrometry, a precise relativistic modeling of observations is required. Moreover, the availability of several models formulated in diffe…
Astrometric tests of General Relativity in the Solar System: mathematical and computational scenarios
Alberto Vecchiato, Mario Gai, Mario G. Lattanzi +3
We review the mathematical models available for relativistic astrometry, discussing the different approaches and their accuracies in the context of the modern experiments from spac…