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This newly discovered star-planet system is very unique - the planet orbits the host star in just 3.2 days, thus placing it very-very close to the star at a distance of 0.05 AU

Space scientists at the Physical Research Laboratory (PRL) in Ahmedabad have discovered a new exoplanet - a planet outside the solar system- orbiting too close to an evolved or aging star with a mass of 1.5 times that of the Sun and located 725 light years away. The discovery was done by an exoplanet search and study group of PRL lead by Prof Abhijit Chakraborthhy that included students and international collaborators from Europe and the USA, Indian Space Research Organisation (ISRO) said.

According to ISRO, the discovery was made using PRL Advanced Radial-velocity Abu-sky Search (PARAS) optical fiber-fed spectrograph, the first of its kind in India, on the 1.2 metre Telescope of PRL at its Mt Abu Observatory. Using PARAS, which has the capability to measure mass of an exoplanet, the exoplanet's mass is found to be 70 per cent and size about 1.4 times that of Jupiter.

assorted planet decor These measurements were carried out between December 2020 and March 2021. | Photo by David Menidrey on Unsplash

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