Zooming on an Auxiliary Telescope

This video shows on one of the the VLT's four Auxiliary Telescopes (AT). The buildings hosting two of the Unit Telescopes are visible in the background.

The ATs are very unusual telescopes, as they are self-contained in their ultra-compact protective domes, and travel with their own electronics, ventilation, hydraulics and cooling systems. Each AT has a transporter that lifts the telescope and moves it from one position to the other.

The ATs allow the VLT to operate as an interferometer every night. They are mounted on tracks and can be moved between precisely defined observing positions from where the beams of collected light are combined.

Credit:

ESO

About the Video

Id:vlt09auxtel2
Release date:22 February 2010, 12:12
Duration:22s

About the Object

Type:• X - Paranal

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