Detection of the Schwarzschild precession in the orbit of the star S2 near the Galactic centre massive black hole

@article{Abuter2020DetectionOT,
  title={Detection of the Schwarzschild precession in the orbit of the star S2 near the Galactic centre massive black hole},
  author={G. C. R. Abuter and A. Amorim and M. Bauboeck and J. P. Berger and H. Bonnet and W. Brandner and V. Cardoso and Y. Cl'enet and P. D. Zeeuw and J. Dexter and A. Eckart and F. Eisenhauer and N. F. Schreiber and P. Garcı́a and F. Gao and E. Gendron and R. Genzel and S. Gillessen and M. Habibi and X. Haubois and T. Henning and S. Hippler and M. Horrobin and A. Jim'enez-Rosales and L. Jochum and L. Jocou and A. Kaufer and P. Kervella and S. Lacour and V. Lapeyr{\`e}re and J.-B. Le Bouquin and P. Lena and M. Nowak and T. Ott and T. Paumard and K. Perraut and G. Perrin and O. Pfuhl and G. Rodr'iguez-Coira and J. Shangguan and S. Scheithauer and J. Stadler and O. Straub and C. Straubmeier and E. Sturm and L. J. Tacconi and F. Vincent and S. V. Fellenberg and I. Waisberg and F. Widmann and E. Wieprecht and E. Wiezorrek and J. Woillez and S. Yazici and G. Zins},
  journal={Astronomy and Astrophysics},
  year={2020},
  volume={636}
}
  • G. C. R. Abuter, A. Amorim, +52 authors G. Zins
  • Published 2020
  • Physics
  • Astronomy and Astrophysics
  • The star S2 orbiting the compact radio source Sgr A* is a precision probe of the gravitational field around the closest massive black hole (candidate). Over the last 2.7 decades we have monitored the star’s radial velocity and motion on the sky, mainly with the SINFONI and NACO adaptive optics (AO) instruments on the ESO VLT, and since 2017, with the four-telescope interferometric beam combiner instrument GRAVITY. In this Letter we report the first detection of the General Relativity (GR… CONTINUE READING

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