Large Sky Area Multi-Object Fiber Spectroscopic Telescope
DATA RELEASE 9 v0 Q1+Q2+Q3
2020.9.1-2021.06.30
Low Resolution Search
Medium Resolution Search
Catalog Download
FTP Download

Low Resolution

Q1 Q2 Q3
Observed Plates 177 92 57
Total Spectra 308,865 143,479 86,793
Star 284,871 130,716 76,481
Star (SNg or i > 10) 273,032 123,664 72,007
Galaxy 8,255 4,159 3,387
QSO 2,155 500 927
Unknown 13,584 8,104 5,998
AFGK Star Catalog 201,188 95,366 54,162

Medium Resolution

Q1 Q2 Q3
Observed Plates 219 162 59
Total Single Exposure Spectra 2,848,154 2,376,222 829,709
Total Coadd Spectra 814,464 672,340 238,064
Total Single Exposure Spectra (SN>10) 1,548,108 942,659 355,628
Total Coadd Spectra (SN>10) 562,790 356,977 130,870
Parameter Catalog (Coadd) 238,281 149,580 59,046

Standard acknowledgement

Guoshoujing Telescope (the Large Sky Area Multi-Object Fiber Spectroscopic Telescope LAMOST) is a National Major Scientific Project built by the Chinese Academy of Sciences. Funding for the project has been provided by the National Development and Reform Commission. LAMOST is operated and managed by the National Astronomical Observatories, Chinese Academy of Sciences.