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ILMT at Devasthal, Uttarakhand: Astronomical Marvel



  Mar 28, 2024

ILMT Devasthal, Uttarakhand: Stellar Observatory


What is the ILMT? 
The ILMT is a unique telescope with a 4-meter-diameter rotating mirror made up of a thin layer of liquid mercury. It is designed to survey the strip of the sky passing overhead each night, classifying objects from asteroids to supernovae, and space debris.
 

How does the ILMT work? 
The ILMT employs a bowl containing reflecting liquid mercury metal, an air bearing (or motor) on which the liquid mirror sits, and a drive system. The mercury is protected from the wind by a scientific-grade thin transparent film of mylar. The reflected light passes through a multi-lens optical corrector and is recorded by a 4k × 4k CCD camera.
 

Where is the ILMT located? 
The ILMT is situated at an altitude of 2,450 meters at the Devasthal Observatory campus of Aryabhatta Research Institute of Observational Sciences (ARIES) in Nainital district, Uttarakhand.


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