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on the eighth anniversary of the completion of fast, the world's largest single-aperture spherical radio telescope, the construction of the core array experimental prototype of china's sky eye fast was officially launched today, which is expected to further significantly enhance the astronomical observation capabilities of the fast telescope.

in order to further enhance fast's scientific observation capabilities and maintain its leading scientific advantage, the research team proposed a low-cost, rapidly implementable radio telescope array solution.taking full advantage of the excellent electromagnetic environment within 5 kilometers around fast, 24 40-meter-aperture fully movable radio telescopes were built to form an integrated aperture array with fast, namely the fast core array.

jiang peng, deputy director of the national astronomical observatory of the chinese academy of sciences and director of the fast operation and development center, said that compared with the 500-meter aperture spherical telescope, the construction of a 40-meter aperture radio telescope is not difficult in itself, but to achieve the effect of network observation with the large-aperture fast, it faces two key technical difficulties. the first is a high-performance room-temperature receiver, which the team has never had before; the second is the data processing technology of comprehensive aperture, especially the data processing technology of telescopes with different apertures, for which there is no particularly mature experience in china at present, and both require technical breakthroughs.