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Mahesh

24/02/24 08:05 AM IST

PAPA payload aboard Aditya-L1 detects solar wind impact of Coronal Mass Ejections

In News
  • The Indian Space Research Organisation (ISRO) said that the Plasma Analyser Package for Aditya (PAPA) payload onboard the Aditya-L1 has been operational and performing nominally.
About PAPA
  • PAPA is an energy and mass analyzer designed for in-situ measurements of solar wind electrons and ions in the low energy range.
  • It has two sensors: the Solar Wind Electron Energy Probe (SWEEP, measuring electrons in the energy range of 10 eV to 3 keV) and the Solar Wind Ion Composition Analyser (SWICAR, measuring ions in the energy range of 10 eV to 25 keV and mass range of 1-60 amu).
  • The sensors are also equipped to measure the direction of arrival of solar wind particles.
  • The payload has been operational since December 12, 2023.
About Sensors
  • The SWEEP and SWICAR sensors on PAPA-Aditya-L1 are currently making continuous observations of solar wind electrons and ions in the default mode, demonstrating that they are performing as per the design in all modes of operations.
  • The observations made by PAPA emphasize its effectiveness in monitoring space weather conditions and its capability to detect and analyze solar phenomena.
  • The PAPA payload is developed by the Space Physics Laboratory and Avionics Entity of the Vikram Sarabhai Space Centre (VSSC)/ISRO.
Source- The Hindu

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