Chinese astromers have detected repeated fast radio bursts, mysterious signals believed to be from a source about three billion light years from Earth, with world's largest and most sensitive radio telescope, official media reported here on Monday.

Chinese telescope detects signals from deep

scientists detected signals with Five-hundred-meter Aperture Spherical Radio Telescope (FAST) and are carefully cross-checking and processing m, according to researchers at National Astromical Observatories of Chinese Academy of Sciences (NAOC). fast radio bursts (FRBs) are brightest bursts kwn in universe. y are called "fast" because se blips are very short, only several milliseconds in duration, but re is reasonable explanation for ir origin.

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detection of repeated bursts might help shed light on origin and physical mechanisms of fast radio bursts, state-run Xinhua news ncy quoted researchers as saying. Chinese scientists have installed a highly sensitive FRB backend on a 19-beam receiver on giant telescope, and used it to observe an FRB source named FRB121102, which was first discovered by Arecibo Observatory in 2015. From late August to beginning of September, more than 100 bursts were detected from FRB121102, highest number of bursts ever detected so far, Xinhua report said.

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Everything about FRBs

FRB backend system has high-efficiency real-time pulse capture capability, and can observe in parallel with most observation tasks. It will play an important role in discovery of new FRBs, improving position accuracy and capturing high-resolution absorption lines generated by FRBs in real time, researchers said. Given significance of this source and its w apparent active state, FAST is carrying out more monitoring. Chinese astromers called on counterparts in or countries to conduct more observations with ir facilities. Located in a naturally deep and round karst depression in southwest China's Guizhou Province, FAST was completed in September 2016 and is due to start regular operations this month.

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Astromers from more than 10 countries and regions are making observation plans for FAST in order to best apply unprecedented power of telescope, going beyond what has been done by or telescopes in past, it said. y have proposed ambitious observation objectives for telescope, such as gravitational waves, exoplanets, ultra-high-energy cosmic rays and interstellar matter to advance human kwledge of astromy, astrophysics and fundamental physics. Scientists believe more discoveries will be made with FAST.

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