The FAST radio telescope will search for exoplanets with a magnetic field. Free Technical Library News

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FAST radio telescope will search for exoplanets with a magnetic field

17.07.2019

China's FAST telescope, the world's largest filled aperture radio telescope, will look for exoplanets up to XNUMX light-years from the Sun that have magnetic fields.

The FAST (Five hundred meter Aperture Spherical Telescope) telescope is located in the Chinese province of Guangzhou; it is the world's largest filled aperture radio telescope. FAST was launched in 2016, and in 2017 managed to discover two new pulsars.

Recently, experts have described a new task for FAST - the search for exoplanets in the radio range at frequencies above 70 megahertz. According to the researchers, a 500-meter radio telescope will look for planets that are up to a hundred light-years away from the Sun and have a magnetic field. Due to its high sensitivity, FAST is expected to be able to detect radiation produced by charged particles in the planet's magnetosphere and ionosphere or as part of the interaction of the latter with a satellite or star. As indicated, if the planet is Earth-like, the presence of a magnetic field can support the assumption of its possible habitability. The researchers note that if they succeed - using FAST - to register the radio emission of an exoplanet and confirm the presence of a magnetic field in it, this will be a very important discovery.

Most known exoplanets were discovered by the Kepler space telescope, which completed work last year. However, to replace it, NASA launched the TESS telescope, which has been searching for planets outside the solar system for a year now.

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