VLTIVery Large Telescope Interferometer
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Since ST represents only the shareholders and aims to ethically maximise shareholder wealth, it is logical that ST is represented with three factors, QM, VLTI and UCA.
The VLTI Auxiliary Telescopes were originally equipped with STRAP (System for Tip/tilt Removal with Avalanche Photodiodes), a visible-light sensor that used a fast-steering mirror to correct the slight but rapid motion of the image of a star caused by atmospheric turbulence.
The galactic object CPD-57 2874 was the first sgB[e] for which the CSM was directly probed at milliarcsecond scale using the VLTI [50].
Although the hot dust - at some 700 to 1000 degrees Celsius - is indeed in a torus as expected, astronomers observing of the galaxy NGC 3783 using VLTI found huge amounts of cooler dust above and below this main torus.
"In the near future, dozens of M dwarfs' radii will be measured with 0.1 to 1 percent accuracy with the VLTI," the astronomers predict in a paper to appear in Astronomy and Astrophysics.
However, by using the AMBER interferometry instrument to simultaneously combine the light from three 8-meter telescopes at the Very Large Telescope Interferometer (VLTI) at the Paranal Observatory in Chile, the research team was able to achieve the angular resolution needed to observe the hot dust ring.
VLTI, or the VLT Interferometer, has been used since 2002 to link together up to three VLT telescopes, as well as four small auxiliary telescopes that reside beside the big ones on the same platform at Cerra Paranal mountain, at 2,635m altitude.
In order to discover and understand the properties of this disc, astronomers employed ESO's Very Large Telescope Interferometer (VLTI).