Aditya-L1 instrument captures full-disk images of Sun in near ultraviolet wavelengths

Among the notable features revealed are sunspots, plage, and quiet Sun regions, providing scientists with pioneering insights into the intricate details of the Sun's photosphere and chromosphere.

Bengaluru: The Solar Ultraviolet Imaging Telescope (SUIT) instrument on board the Aditya-L1 spacecraft has successfully captured the first full-disk images of the Sun in the 200-400 nm wavelength range.

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SUIT captured images of the Sun’s photosphere and chromosphere in this wavelength range using various scientific filters, according to ISRO.

“On November 20, 2023, the SUIT payload was powered ON. Following a successful pre-commissioning phase, the telescope captured its first light science images on December 6, 2023,” an ISRO statement said on Friday.

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“These unprecedented images, taken using eleven different filters, include the first-ever full-disk representations of the Sun in wavelengths ranging from 200 to 400 nm, excluding Ca II h. The full disk images of the Sun in the Ca II h wavelength has been studied from other observatories” it said.

Among the notable features revealed are sunspots, plage, and quiet Sun regions, providing scientists with pioneering insights into the intricate details of the Sun’s photosphere and chromosphere.

SUIT observations will help scientists study the dynamic coupling of the magnetized solar atmosphere and assist them in placing tight constraints on the effects of solar radiation on Earth’s climate, ISRO added.

The development of SUIT involved a collaborative effort under the leadership of the Inter-University Centre for Astronomy and Astrophysics, Pune. This collaboration included ISRO, the Manipal Academy of Higher Education, the Centre for Excellence in Space Science India at IISER-Kolkata, the Indian Institute of Astrophysics Bengaluru, the Udaipur Solar Observatory (USO-PRL), and Tezpur University Assam, it was stated.

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