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Aditya-L1: ISRO’s Sun Mission to Start in 2019

Published on November 27, 2017
India Indian Space Research Organisation (ISRO) is ready to launch its first mission on sun with the Aditya-L1 mission.

Aditya-L1: ISRO’s Sun Mission to Start in 2019

  • The mission will be launched in 2019
  • The satellite carrying six payloads will be launched from Sriharikota in Andhra Pradesh on the PSLV- XL launch vehicle. 
  • It will be launched into the halo orbit around the Lagrangian point 1 (L1) of the Sun-Earth system. 
  • L1 point is 1.5 million kilometres away from the earth
  • This orbit has the advantage of allowing continuous monitoring of the sun.
  • Aditya-L1 is expected to be the very first to study from space two months from the time of launch, the magnetic field of the sun’s corona. 
  • The mission will carry seven payloads,consisting of a coronagraph, equipment that will image the sun using ultraviolet filters, X-ray spectrometers, and particle samplers all being made within the country.

The Seven Payloads are:

  •  Visible Emission Line Coronagraph (VLEC) is the largest payload, or instrument will view the sun more closely than has been done before even by SOHO.
  • Solar Ultraviolet Imaging Telescope (SUIT) will image the sun in all wavelengths.
  • The ultraviolet (UV) imaging payload will capture the sun using UV filters, something that is not possible from Earth. 
  • Aditya Solar wind Particle EXperiment (ASPEX) and Plasma Analyser Package for Aditya (PAPA) will study aspects that affect space weather. the origin of solar wind ions
  • Solar Low Energy X-ray Spectrometer (SoLEXS) will be used for monitoring X-ray flares for studying the heating mechanism of the solar corona
  • High Energy L1 Orbiting X-ray Spectrometer (HEL1OS) will be used to study hard X-ray emission from 10 keV to 150 keV during the impulsive phase of solar flares
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