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Very-long-baseline interferometry
Videos
Very-long-baseline interferometry is a type of astronomical interferometry used in radio astronomy. In VLBI a signal from an astronomical radio source, such as a quasar, is collected at multiple radio
Some of the Atacama Large Millimeter Array radio telescopes
Some of the Atacama Large Millimeter Array radio telescopes
The eight radio telescopes of the Smithsonian Submillimeter Array, located at the Mauna Kea Observatory in Hawai'i
The eight radio telescopes of the Smithsonian Submillimeter Array, located at the Mauna Kea Observatory in Hawai'i
VLBI was used to create the first image of a black hole, imaged by the Event Horizon Telescope and published in April 2019.
VLBI was used to create the first image of a black hole, imaged by the Event Horizon Telescope and published in April 2019.
Image of the source IRC +10420. The lower resolution image on the left was taken with the UK's MERLIN array and shows the shell of maser emission prod
Image of the source IRC +10420. The lower resolution image on the left was taken with the UK's MERLIN array and shows the shell of maser emission produced by an expanding shell of gas with a diameter about 200 times that of the Solar System. The shell of gas was ejected from a supergiant star (10 times the mass of the Sun) at the centre of the emission about 900 years ago. The corresponding EVN e-VLBI image (right) shows the much finer structure of the masers made visible with the higher resolution of the VLBI array.
Astronomical interferometer
Videos
An astronomical interferometer or telescope array is a set of separate telescopes, mirror segments, or radio telescope antennas that work together as a single telescope to provide higher resolution im
Very-long-baseline interferometry
…Very-long-baseline interferometry (VLBI) is a type of astronomical interferometry used in radio astronomy. In VLBI a signal from an astronomical radio source, such as a quasar, is collected at multiple radio telescopes on Earth or…
ESO's VLT interferometer took the first detailed image of a disc around a young star.
ESO's VLT interferometer took the first detailed image of a disc around a young star.
A 20-foot Michelson interferometer mounted on the frame of the 100-inch Hooker Telescope, 1920.
A 20-foot Michelson interferometer mounted on the frame of the 100-inch Hooker Telescope, 1920.
Aerial view of the ESO/NAOJ/NRAO ALMA construction site.
Aerial view of the ESO/NAOJ/NRAO ALMA construction site.
The Navy Precision Optical Interferometer (NPOI), a 437 ma baselined optical/near-infrared, 6-beam Michelson Interferometer at 2163 m elevation on And
The Navy Precision Optical Interferometer (NPOI), a 437 ma baselined optical/near-infrared, 6-beam Michelson Interferometer at 2163 m elevation on Anderson Mesa in Northern Arizona, USA. Four additional 1.8-meter telescopes are being installed starting from 2013.