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Articles tagged: GRAVITY instrument

  • European Southern Observatory's Very Large Telescope (VLT), GRAVITY instrument, Sagittarius A*, SINFONI, supermassive black hole 31 October 2018 Black hole status of the Milky Way centre confirmed with striking new data

    ... of our galaxy, capturing concrete evidence of its existence is tough. But now thanks to new data from ESO’s GRAVITY instrument, a ring of extremely fast moving material has been spotted racing around near its event horizon at about...

    • European Southern Observatory's Very Large Telescope (VLT)
    • GRAVITY instrument
    • Sagittarius A*
    • SINFONI
    • supermassive black hole
  • Atacama Large Millimeter/submillimeter Array (ALMA), ESO’s GRAVITY instrument, Sagittarius A*, supermassive black hole 07 June 2019 First-ever image of cool gas disk surrounding Milky Way's black hole

    ... that was seen racing around near its event horizon at about 30 percent the speed of light by ESO’s GRAVITY instrument last year. It is estimated that the temperatures reached by this turbulent, spiralling belt of gas can reach as much...

    • Atacama Large Millimeter/submillimeter Array (ALMA)
    • ESO’s GRAVITY instrument
    • Sagittarius A*
    • supermassive black hole
  • exoplanet, exoplanet atmospheres, GRAVITY instrument on ESO’s Very Large Telescope Interferometer (VLTI), HR8799e, optical interferometry 27 March 2019 Storm-plagued exoplanet revealed in detail with GRAVITY

    ...ten times more detailed than was previously possible. The instrument is GRAVITY and it was born from the desire to observe ...cosmos in finer detail than ever before. Unlike ALMA, GRAVITY uses visible light (not Millimetre/Submillimetre radiation) to ...

    • exoplanet
    • exoplanet atmospheres
    • GRAVITY instrument on ESO’s Very Large Telescope Interferometer (VLTI)
    • HR8799e
    • optical interferometry
  • black holes, Very Large Telescope 30 July 2018 Test of Einstein’s general relativity theory successful after 26 years

    ... of S2.” The team used SINFONI to measure the velocity of S2 towards and away from Earth and the GRAVITY instrument in the VLT Interferometer (VLTI) to make previously unheard of precise measurements of the changing position of S2 in order to define...

    • black holes
    • Very Large Telescope
  • ESO’s Very Large Telescope (VLT), S2, Sagittarius A*, supermassive black hole, Theory of general relativity 09 August 2017 Stars orbiting Sgr A* hint at relativistic effects

    ...measured orbit to predictions made using classical Newtonian gravity along with predictions from general relativity. Using...will be conducted with the GRAVITY instrument as S2 passes very close to the black hole in 2018. GRAVITY, which is installed on ...

    • ESO’s Very Large Telescope (VLT)
    • S2
    • Sagittarius A*
    • supermassive black hole
    • Theory of general relativity
  • Event Horizon Telescope, M87, Ring of Fire 10 April 2019 Ring of fire around black hole revealed for first time

    ... and yet, providing direct evidence of their existence, has yielded nothing concrete so far. Last year ESO’s GRAVITY instrument observed a ring of extremely fast moving material racing around near Sag A*’s event horizon at about 30 percent the...

    • Event Horizon Telescope
    • M87
    • Ring of Fire

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