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AstroSat

Sept. 29, 2025

Recently, India’s first dedicated Space Astronomy Observatory, AstroSat completed a decade of operations.

About AstroSat:

  • It is the first dedicated Indian astronomy mission.
  • It was launched by PSLV-C30 (XL) rocket from Satish Dhawan Space Centre in Sriharikota  on September 28, 2015.
  • The minimum useful life of the AstroSat mission was around 5 years but still it is providing valuable information.
  • It was designed to observe the universe in the Visible, Ultraviolet, low and high energy X-ray regions of the electromagnetic spectrum simultaneously with the help of its five payloads.
  • Payloads of Astrosat: Ultra Violet Imaging Telescope (UVIT), Large Area X-ray Proportional Counter (LAXPC), Cadmium–Zinc–Telluride Imager (CZTI), Soft X-ray Telescope (SXT) and Scanning Sky Monitor (SSM).
  • Objectives of Astrosat
    • To understand high energy processes in binary star systems containing neutron stars and black holes.
    • Estimate magnetic fields of neutron stars.
    • Study high energy processes in star systems lying beyond our galaxy.
    • Detect new briefly bright X-ray sources in the sky.
    • Perform a limited deep field survey of the Universe in the Ultraviolet region.
  • The spacecraft control center at Mission Operations Complex (MOX) of ISRO Telemetry, Tracking and Command Network (ISTRAC), Bengaluru, manages the satellite during its entire mission life.

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