ESPRESSO instrument achieves first light with all four Unit Telescopes

The ESPRESSO instrument on ESO’s Very Large Telescope in Chile has used the combined light of all four of the 8.2-metre Unit Telescopes for the first time. Combining light from the Unit Telescopes in this way makes the VLT the largest optical telescope in existence in terms of collecting area. This picture shows in highly simplified form how the light collected by all four VLT Unit Telescopes is combined in the ESPRESSO instrument, located under the VLT platform.

Credit:

ESO/L. Calçada

About the Image

Id:eso1806a
Type:Artwork
Release date:13 February 2018, 15:00
Related releases:eso1806
Size:4790 x 2873 px

About the Object

Name:ESPRESSO
Type:Unspecified : Technology : Observatory : Instrument
Category:Paranal

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