Main-Sequence Radio Pulse Emitters Discovered By NCRA Astronomers

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22 November 2021 Current Affairs:The National Centre for Radio Astrophysics (NCRA) in Pune has identified eight stars that belong to a rare type of stars known as Main-sequence Radio Pulse emitters, or MRPs.

♦ The ‘Giant Metre-wave Radio Telescope (GMRT)’ in Pune was used to find MRPs.
♦ A group of researchers identified a new type of radio star that is hotter than the Sun. They have extraordinarily powerful magnetic fields and even more powerful stellar winds. As a result, like a lighthouse, these stars generate powerful radio pulses.
♦ Previously, the Giant Metre-wave Radio Telescope had detected three additional identical stars (GMRT). So far, 15 MRPs have been identified.
♦ With GMRT, 11 MRPs were found. In the year 2021, eight MRPs were found.
♦ In the year 2000, the first MRP was identified. Because of GMRT’s exceptional sensitivity, it was identified.

National Centre for Radio Astrophysics (NCRA)
♦ The National Radio Astronomy Observatory (NCRA) is a scientific organisation that works in the field of radio astronomy. It’s on the campus of Pune University. 
♦ The National Center for Astronomy and Astrophysics maintains an active research programme in a variety of fields of astronomy and astrophysics, including studies of the Sun, pulsars, interplanetary scintillations, active galaxies, and the interstellar medium, among others.

Giant Metrewave Radio Telescope (GMRT)
♦ GMRT is located in khodad, near Pune. It’s a collection of thirty parabolic radio telescopes that can be fully steered. It has a 45-meter diameter and observes at metre wavelengths.
♦ The National Centre for Radio Astrophysics (NCRA), which is part of the Tata Institute of Fundamental Research in Mumbai, operates this telescope. It was designed and built between 1984 and 1996.

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