[EN] We present new astrometric and polarimetric observations of flares from Sgr A* obtained with GRAVITY, the near-infrared interferometer at ESO's Very Large Telescope Interferometer (VLTI), bringing the total sample of ...
Vázquez-Aceves, Verónica; Zwick, Lorenz; Bortolas, Elisa; Capelo, Pedro R.; Amaro-Seoane, Pau; Mayer, Lucio; Chen, Xian(Oxford University Press, 2022-02)
[EN] One of the main targets of the Laser Interferometer Space Antenna (LISA) is the detection of extreme mass-ratio inspirals (EMRIs) and extremely large mass-ratio inspirals (X-MRIs). Their orbits are expected to be ...
[EN] Context. In the Milky Way the central massive black hole, Sgr A*, coexists with a compact nuclear star cluster that contains a sub-parsec concentration of fast-moving young stars called S-stars. Their location and age ...