Large Sky Area Multi-Object Fiber Spectroscopic Telescope
Updated: Data Release 4
2011.10.24-2016.06.02
Observed Plates: 3,454
Total Spectra: 7,681,185
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Statistics

Pilot Survey

20111024-20120617

First Year Survey

20120928-20130603

Second Year Survey

20130910-20140603

Third Year Survey

20140910-20150530

Forth Year Survey

20150912-20160602

Total Spectra 958,944 1,701,669 1,648,485 1,659,028 1,713,059
Star 812,911 1,529,938 1,501,002 1,511,032 1,543,415
Star (SNg or i > 10) 619,151 1,306,584 1,367,865 1,371,471 1,411,139
Galaxy 8,465 13,029 30,887 26,917 39,445
QSO 2,026 6,772 7,002 9,294 16,258
Unknown 135,542 151,930 109,594 111,785 113,941
Observed Plates 404 810 731 734 775
AFGK Star Catalog 396,249 731,623 1,046,940 1,010,663 1,016,652
A Star Catalog 53,268 69,130 71,305 78,121 92,776
M Dwarf Catalog 83,415 67,279 78,988 104,111 99,454

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.