Chinese mega-telescope obtains data on 7 million stars
A Chinese telescope has collected data on over 7 million stars, exceeding the sum of all existing spectroscopic data on stars and making it the world’s largest database in the field.
The Guo Shoujing telescope, named after a 13th-century Chinese astronomer, is operated by the National Astronomical Observatories under the Chinese Academy of Sciences, which recently released the findings.
The telescope has been in use since 2012. It is the world’s first large-area telescope that can observe the spectra of 4,000 stars at a time.
The spectra of stars can relay key information, such as a star’s state of motion, temperature, mass, and chemical composition, according to Hou Yonghui, an astronomical researcher with the CAS.
Image: The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) is a National Major Scientific Project undertaken by the Chinese Academy of Science. The large, 4-meter mirror of LAMOST
enables it to obtain spectra of faint objects. LAMOST is designedwith 4000 optical fibers in the optical path, covering a large region
of the sky simultaneously. The NASA-Kepler space mission hasprovided continuous, high-precision photometry of thousands of stars
simultaneously. The uninterrupted time-series of stars are aprecious source for both asteroseismic studies of every pulsational
type and detection and research of exoplanets around the stars. ~ The LAMOST-Kepler Workshop