TECH China's LAMOST unveils world's largest catalogue of 11.25 million stellar parameters

TECH

China's LAMOST unveils world's largest catalogue of 11.25 million stellar parameters

People's Daily online

11:04, March 30, 2019

China’s national astronomical observatories on Wednesday published the world’s largest catalogue with a total of 11.25 million stellar parameters, collected by China Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST), the world’s largest spectral survey telescope, also named Guo Shoujing Telescope after the 13th-centry Chinese astronomer.

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(Photos via CCTV)

During the seven-year operation, some 9.37 million stellar parameters of high quality were disclosed by domestic astronomers and overseas partners, which is double the sum of other that found in other countries.

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The LAMOST DR6 catalogue of stellar parameters has currently the world’s most complete sky coverage and the largest survey volume and sampling density, providing a powerful and basic data foundation for studies of the Milky Way, galaxy formation, and evolution, according to China’s national astronomical observatories.

A total of 769 clients from 124 institutions and universities in the US, Germany, Belgium, and Denmark are using LAMOST’s data for cutting-edge research. Some achievements have been made on the formation and evolution of the Milky Way, stellar physics, and special celestial search, China Central Television (CCTV) reported. 

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