Large Sky Area Multi-Object Fiber Spectroscopic Telescope
DATA RELEASE 9 v0 Q1+Q2
2020.9.1-2021.03.31
Low Resolution Search
Medium Resolution Search
Catalog Download
FITS Download

Low Resolution

Q1 Q2
Observed Plates 177 92
Total Spectra 308,865 143,479
Star 284,871 130,716
Star (SNg or i > 10) 273,032 123,664
Galaxy 8,255 4,159
QSO 2,155 500
Unknown 13,584 8,104
AFGK Star Catalog 201,188 95,366

Medium Resolution

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

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.