Large Sky Area Multi-Object Fiber Spectroscopic Telescope
DATA RELEASE 11 v0 Q1+Q2+Q3
2022.10.07 - 2023.06.15
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Low Resolution

Q1 (2022.10.07 - 2022.12.31)
Observed Plates: 155
Total Spectra: 267,370
Star: 259,890
Galaxy: 6,125
QSO: 1,355
AFGK Stellar Parameters: 189,814
Q2 (2023.01.01 - 2023.03.31)
Observed Plates: 173
Total Spectra: 196,792
Star: 187,946
Galaxy: 7,265
QSO: 1,581
AFGK Stellar Parameters: 128,821
Q3 (2023.04.01 - 2023.06.15)
Observed Plates: 35
Total Spectra: 44,537
Star: 43,762
Galaxy: 677
QSO: 98
AFGK Stellar Parameters: 32,343

Medium Resolution

Q1 (2022.10.07 - 2022.12.31)
Observed Plates 观测天区数: 188
Total Single Exposure Spectra 单次曝光光谱总数： 2,596,336
Total Coadd Spectra 合并光谱总数: 722,994
Parameter Catalog (Coadd) 合并光谱恒星参数星表总数: 227,117
Q2 (2023.01.01 - 2023.03.31)
Observed Plates 观测天区数: 203
Total Single Exposure Spectra 单次曝光光谱总数： 2,482,959
Total Coadd Spectra 合并光谱总数: 725,062
Parameter Catalog (Coadd) 合并光谱恒星参数星表总数: 143,915
Q3 (2023.04.01 - 2023.06.15)
Observed Plates 观测天区数: 53
Total Single Exposure Spectra 单次曝光光谱总数： 682,392
Total Coadd Spectra 合并光谱总数: 179,168
Parameter Catalog (Coadd) 合并光谱恒星参数星表总数: 43,523

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.