Large Sky Area Multi-Object Fiber Spectroscopic Telescope
DATA RELEASE 7 v0 Q1+Q2+Q3
2018.10.05 - 2019.06.30
Note: LAMOST DR7 v0 only contains data from the 7th observation year. The LAMOST DR7 v1, which will be released in March 2020, will include data from previous observations.
Low Resolution Search
Medium Resolution Search
Catalog Download
FITS Download

Low Resolution

Observed
Plates		 Total Spectra Star STAR
(SNg or i > 10)		 Galaxy QSO Unknown AFGK Star
Catalog
Q1
（20181005-1231）
 144 249,591 225,440 218,785 4,287 930 18,934 169,687
Q2
（20190101-0331）
 166 236,479 191,994 183,572 10,948 1,722 31,815 114,953
Q3
（20190401-0630）
 45 72,342 57,568 55,344 4,309 875 9,590 42,054

Medium Resolution

Observed Plates Total Single
Exposure Spectra		 Total Coadd
Spectra		 Total Single Exposure Spectra
(SN>10) 		Total Coadd Spectra
(SN>10)		 Parameter Catalog
(Single)		 Parameter Catalog
(Coadd)
Q1
（20181005-1231）
 176 3,508,695 864,311 1,880,265 569,278 727,787 243,227
Q2
（20190101-0331）
 145 2,842,936 675,050 1,244,525 391,319 462,184 167,700
Q3
（20190401-0630）
 30 502,196 131,452 240,299 79,551 97,594 35,842

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.