Large Sky Area Multi-Object Fiber Spectroscopic Telescope
DATA RELEASE 7 v1
2011.10.24 - 2019.06.08
Low Resolution Search
Medium Resolution Search
Catalog Download
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Low Resolution

Observed
Plates
Total Spectra Star STAR
(SNg or i > 10)
Galaxy QSO Unknown AFGK Star
Catalog
M Dwarf
Catalog
A Star
Catalog
Pilot
(20111024-20120617)
404 958,679 832,886 679,947 8,197 1,386 116,210 404,396 116,210 404,396
First year
(20120928-20130603)
812 1,684,724 1,538,644 1,388,721 12,752 6,066 127,262 911,134 67,864 69,026
Second year
(20130910-20140603)
732 1,636,474 1,510,053 1,422,521 30,388 6,304 89,729 1,097,748 79,952 70,385
Third year
(20140910-20150530)
738 1,644,300 1,520,759 1,437,242 26,364 8,979 88,198 1,055,794 109,236 77,958
Forth year
(20150912-20160602)
776 1,702,528 1,552,325 1,472,828 39,433 14,462 96,308 1,071,279 100,505 93,217
Fifth year
(20160909-20170616)
693 1,402,454 1,230,129 1,141,738 35,729 15,258 121,338 808,420 97,734 75,717
Sixth year
(20170919-20180518)
422 889,947 781,620 739,463 20,003 7,718 80,606 494,336 72,740 44,021
Seventh year
(20181005-20190608)
349 689,310 564,622 538,629 20,495 4,063 100,130 356,810 64,475 33,008

Medium Resolution

Medium-resolution non time-domain data Medium-resolution time-domain data Total
Total spectra
1,010,666 2,878,717 3,889,383
Spectra(S/N>10) 671,300 1,609,930 2,281,230
Star parameter 516,139 291,180 807,319

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.