TNPSC Thervupettagam

Exoplanet by Indian Scientists

November 22 , 2021 974 days 722 0
  • The Indian scientists led by Abhijit Chakraborty discover exoplanet 1.4 times bigger than Jupiter.
  • This new exoplanet is with a mass of 1.5 times that of the Sun and about 1.4 times bigger than Jupiter.
  • This exoplanet is known as TOI 1789 as per the TESS catalogue and HD 82139 as per the Henry Draper catalogue.
  • It has been discovered by the Ahmedabad-based Physical Research Laboratory (PRL).
  • They used the PRL Advanced Radial-velocity Abu-sky Search (PARAS) optical fibre-fed spectrograph on the 1.2 metre Telescope of PRL at its Mt. Abu Observatory.

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