Dr. Sankarasubramanian K. named Principal Scientist of ISRO’s Aditya-L1 mission

The Indian Space Research Organisation has designated Dr. Sankarasubramanian K as the Principal Scientist of the Aditya-L1 mission. Aditya-L1 is the first observatory-class space-based solar mission from India. Sankarasubramanian has contributed to AstroSat, Chandrayaan-1 and Chandrayaan-2 missions of ISRO in several capacities.

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Some points about Aditya-L1:

• Aditya-L1 is the first observatory-class space-based solar mission from India. The spacecraft will be placed in a halo orbit around the first Lagrange point, L1, of the Sun-Earth system.
• A satellite around the L1 point has the major advantage of continuously viewing the Sun without occultation/eclipses. This position provides a greater advantage of observing solar activities continuously.
• Aditya-L1 carries seven payloads to observe the photosphere, chromosphere, and the outermost layers of the Sun (the corona) using electromagnetic and particle detectors.
• Four payloads directly view the Sun from the unique vantage point of L1, and the remaining three payloads carry out in-situ studies of particles and fields at the Lagrange point L1.

Who is Dr. Sankarasubramanian K?

• Dr Sankarasubramanian K. is a senior solar scientist at the U R Rao Satellite Centre (URSC), Bengaluru. He obtained his PhD in Physics from Bangalore University through the Indian Institute of Astrophysics, Bengaluru.
• He obtained his PhD in Physics from Bangalore University through the Indian Institute of Astrophysics, Bengaluru. His research areas of interest are the Solar Magnetic field, Optics, and Instrumentation.
• He has contributed to AstroSat, Chandrayaan-1 and Chandrayaan-2 missions of ISRO in several capacities. Currently, he is heading the Space Astronomy Group (SAG) of URSC. SAG is involved in developing scientific payloads for the upcoming missions of Aditya-L1, XPoSat, and science payload onboard the Chandrayaan-3 propulsion module.
• He is also the Principal Investigator for one of the X-ray payloads onboard Aditya-L1. Dr. Sankarasubramanian K also heads the Aditya-L1 Science Working Group, which has members from several institutes of India engaged in solar science research.

Important Takeaways for All Competitive Exams:

• ISRO Chairman: S. Somanath;
• ISRO’s foundation Date: 15th August, 1969;
• ISRO’s Founder: Dr. Vikram Sarabhai.

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