Detection of the Schwarzschild precession in the orbit of the star S2 near the Galactic centre massive black hole by GRAVITY Collaboration
= Detection of the Schwarzschild precession in the orbit of the star S2 near the Galactic centre massive black hole by GRAVITY Collaboration
{c}
{title2=2020}
https://arxiv.org/abs/2004.07187
Primary orbit analysis combines stellar astrometry, radial velocities and a relativistic orbital fit for S2.