ISRO Missions and Discoveries

[pib] UVIT: India’s first multi-wavelength astronomical observatory


From UPSC perspective, the following things are important :

Prelims level : UVIT

Mains level : Not Much

The satellite that detected the first extreme-UV rays in the Universe from the cosmic noon celebrated its 5th birthday today.

Try this PYQ:

Q.“Event Horizon” is related to:

(a) Telescope

(b) Black hole

(c) Solar glares

(d) None of the above

Ultra-Violet Imaging Telescope (UVIT)

  • The UVIT is a remarkable 3-in-1 imaging telescope.
  • Weighing all of 230 kg, the UVIT can simultaneously observe in the visible, the near-ultraviolet (NUV) and the far-ultraviolet (FUV).
  • UVIT comprises of two separate telescopes. One of them works in the visible (320-550 nm) and the NUV (200-300 nm).
  • The second works only in the FUV (130-180 nm).

Its achievement

  • It has carried out 1166 observations of 800 unique celestial sources proposed by scientists both from India and abroad.
  • It has explored stars, star clusters, mapping of the large and small satellite galaxies nearby to our own Milky Way galaxy called the Magellanic Clouds.
  • It is an energetic phenomenon in the Universe such as the ultra-violet counterparts to gamma-ray bursts, supernovae, active galactic nuclei, and so on.
  • Its superior spatial resolution capability has enabled astronomers to probe star formation in galaxies as well as resolve the cores of star clusters (3 times better than the last NASA mission, GALEX).
  • Observations from UVIT has recently led to the discovery of a galaxy located at a distance of about 10 billion light-years from Earth and emitting extreme ultraviolet radiation that can ionize the intergalactic medium.

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