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India’s ASTROSAT makes rare discovery

ASTROSAT, Indias first multi- wavelength satellite observatory, has detected an extreme ultraviolet (UV) light from a galaxy which is 9.3 billion light-years away from Earth, the Inter-University Centre for Astronomy and Astrophysics (IUCAA) said on 24th August 2020.

A release from the Pune-based Inter-University Centre for Astronomy and Astrophysics said a global team led by IUCAA scientists have achieved the major breakthrough. “Indias first multi-wavelength satellite, which has five unique X-ray and ultraviolet telescopes working in tandem, AstroSat, has detected extreme-UV light from a galaxy, called AUDFs01, 9.3 billion light-yearsaway from Earth,” said it said.

The discovery was made by an international team of astronomers led by Dr Kanak Saha, associate professor of astronomy at the IUCAA, and published on August 24 by ‘Nature Astronomy’, the release said. This team comprised scientists from India, France, Switzerland, the USA, Japan and The Netherlands. Saha and his team observed the galaxy, which is located in the Hubble Extreme Deep field, through AstroSat. These observations lasted for more than 28 hours in October 2016, the release stated.

Source: The Hindu

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