VLBI observations of the Galactic Center source SGR A* at 86 GHz and 215 GHz. Possible evidence against a massive black hole at the Galactic Centre. Do massive black holes reside in elliptical galaxies? Nature 333, 829–831 (1988). Advection-dominated accretion and the spectral states of black hole X-ray binaries: application to Nova Muscae 1991. in Black Holes (Les Astres Occlus) (eds DeWitt, C. A powerful local shear instability in weakly magnetized disks. Observational evidence of active galactic nuclei feedback. The role of black holes in galaxy formation and evolution. Hot bubbles from active galactic nuclei as a heat source in cooling-flow clusters. Energy input from quasars regulates the growth and activity of black holes and their host galaxies. GRAVITY Collaboration Detection of the Schwarzschild precession in the orbit of the star S2 near the Galactic Centre massive black hole. Relativistic redshift of the star S0-2 orbiting the Galactic Center supermassive black hole. GRAVITY Collaboration Detection of the gravitational redshift in the orbit of the star S2 near the Galactic Centre massive black hole. Testing general relativity with stellar orbits around the supermassive black hole in our Galactic Center. The Black Hole mass in M87 from Gemini/NIFS adaptive optics observations. Stellar orbits around the Galactic Center black hole. Landmark study that reported a nearly complete orbit of a star at the centre of our Galaxy and proved beyond reasonable doubt that Sagittarius A* is a four-million-solar-mass black hole. A star in a 15.2-year orbit around the supermassive black hole at the centre of the Milky Way. Measurement of the accelerations of stars orbiting the object Sagittarius A* at the centre of the Galaxy. The accelerations of stars orbiting the Milky Way’s central black hole. High proper-motion stars in the vicinity of Sagittarius A*: evidence for a supermassive black hole at the center of our Galaxy. Observations of stellar proper motions near the Galactic Centre. The shadow of the supermassive black hole in the center of the Milky Way. Landmark experiment with the Event Horizon Telescope that obtained the image of the supermassive black hole M87* and confirmed the predicted black-hole shadow.Įvent Horizon Telescope Collaboration First Sagittarius A* Event Horizon Telescope results. The shadow of the supermassive black hole. 528, 13–16 (2000).Įvent Horizon Telescope Collaboration First M87 Event Horizon Telescope results.

Viewing the shadow of the black hole at the Galactic Center.

Image of a spherical black hole with thin accretion disk. Accretion of interstellar matter by massive objects. Discovery that the quasar 3C 273, later identified as an accreting supermassive black hole, is at a redshift of 0.158 and therefore very distant from our Galaxy and highly luminous. 3C 273 : a star-like object with large red-shift. Mathematical proof that black-hole formation is inevitable in general relativity from certain generic initial conditions. Gravitational collapse and space-time singularities. Gravity’s Fatal Attraction (Cambridge Univ. Black Holes and Time Warps: Einstein’s Outrageous Legacy (W. Beweis des Satzes, dass die anziehende Kraft bey einem Weltkörper so groß seyn könne, dass das Licht davon nicht ausströmen kann. of the fixed stars, in consequence of the diminution of the velocity of their light, in case such a diminution should be found to take place in any of them, and such other data should be procured from observations, as would be farther necessary for that purpose. On the means of discovering the distance, magnitude, &c. An exact analytical solution of general relativity describing the most general spinning uncharged black hole. Gravitational field of a spinning mass as an example of algebraically special metrics. On the gravitational field of a mass point according to Einstein’s theory.

As material flows into a black hole