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About The AstroSat


India’s first multi-wavelength space telescope, AstroSat, has successfully detected its 600th Gamma-ray Burst (GRB), an event named GRB 231122B.


GS III: Science and Technology

Dimensions of the Article:

  1. AstroSat
  2. Scientific Objectives


  • AstroSat stands as India’s inaugural dedicated multi-wavelength space observatory, designed for the comprehensive study of celestial entities across X-ray, optical, and UV spectral bands simultaneously.
Key Launch Details:
  • Launched on September 28, 2015, by the Indian Polar Satellite Launch Vehicle (PSLV), AstroSat boasts a lift-off mass of 1515 kg.
  • Positioned in a 650 km orbit with a 6-degree inclination to the equator.
Mission Control:
  • Ground Operations: The spacecraft is diligently managed by the spacecraft control center located at the Mission Operations Complex (MOX) of the ISRO Telemetry, Tracking and Command Network (ISTRAC) in Bengaluru.
  • Mission Life: With a minimum anticipated mission life of around 5 years, AstroSat continues to contribute to scientific exploration.
Scientific Payloads:
  • AstroSat is equipped with five scientific payloads, facilitating the imaging and analysis of galactic and extra-galactic cosmic sources across a broad spectrum of wavelengths on a unified platform.

Scientific Objectives:

  • Probing High Energy Phenomena: Uncover the intricacies of high-energy processes within binary star systems housing neutron stars and black holes.
  • Magnetic Fields Exploration: Estimate the magnetic fields associated with neutron stars.
  • Stellar Birth Regions: Investigate star birth regions and the high-energy phenomena within star systems beyond our Milky Way.
  • X-ray Sky Exploration: Detect new, transiently luminous X-ray sources in the celestial expanse.
  • Ultraviolet Universe Survey: Conduct a limited yet profound deep-field survey of the Universe in the Ultraviolet region.

-Source: The Hindu

February 2024