Large Sky Area Multi-Object Fiber Spectroscopic Telescope
DATA RELEASE 10 v2.0
2011.10.24-2022.06.30
Low Resolution
Observed Plates： 5923
Total Spectra： 11,441,011
Star： 11,100,139
Galaxy： 261,381
QSO： 79,491
AFGK Stellar Parameters： 7,450,303
M Giants,Dwarfs and Subdwarfs： 858,985
Line indices of A Type Stars: 654,495
WD Star Catalog: 15,443
CV Star Catalog: 550
Galaxy Population Synthesis Catalog: 27,240
Qso Emission line Feature Catalog: 18,519
| Observed Plates |
Total Spectra | Star | Galaxy | QSO | AFGK Stellar Parameters |
M Giants,Dwarfs and Subdwarfs |
Line indices of A Type Stars |
WD Star Catalog |
CV Star Catalog |
Galaxy Population Synthesis Catalog |
Qso Emission line Feature Catalog |
|
| Pilot survey
(20111024-20120617)
|
404 | 871,760 | 860,918 | 9295 | 1547 | 416,477 | 84,702 | 65,068 | 1398 | 34 | 12 | 693 |
| First year survey
(20120928-20130603)
|
812 | 1,558,383 | 1,538,359 | 13,773 | 6251 | 915,299 | 65,323 | 77,281 | 1295 | 58 | 159 | 2325 |
| Second year survey
(20130910-20140603)
|
732 | 1,530,435 | 1,492,523 | 31,516 | 6396 | 1,108,483 | 78,280 | 74,806 | 1152 | 48 | 2437 | 2822 |
| Third year survey
(20140910-20150530)
|
738 | 1,568,107 | 1,531,079 | 27,125 | 9903 | 1,084,274 | 106,434 | 86,476 | 1646 | 57 | 2578 | 2304 |
| Forth year survey
(20150912-20160602)
|
776 | 1,566,779 | 1,510,545 | 41,315 | 14,919 | 1,062,320 | 104,312 | 97,221 | 2106 | 95 | 4428 | 2069 |
| Fifth year survey
(20160909-20170616)
|
693 | 1,221,126 | 1,170,812 | 35,582 | 14,732 | 778,003 | 98,120 | 80,365 | 2367 | 64 | 4998 | 5018 |
| Sixth year survey
(20170919-20180518)
|
418 | 796,683 | 768,335 | 20,612 | 7736 | 520,271 | 74,806 | 49,095 | 1599 | 62 | 2,653 | 1,209 |
| Seventh year survey
(20181005-20190608)
|
349 | 611,091 | 585,345 | 21,633 | 4113 | 397,917 | 67,330 | 40,033 | 1,455 | 28 | 2,418 | 470 |
| Eighth year survey
(20191023-20200527)
|
285 | 515,844 | 489,392 | 21,139 | 5313 | 344,627 | 58,123 | 27,104 | 969 | 41 | 1951 | 737 |
| Ninth year survey
(20200918-20210612)
|
326 | 569,456 | 548,659 | 16,661 | 4136 | 384,396 | 60,858 | 28,964 | 703 | 32 | 2047 | 495 |
| Tenth year survey
(20211029-20220602)
|
390 | 631,347 | 604,172 | 22,730 | 4445 | 438,236 | 60,697 | 28,082 | 753 | 31 | 3559 | 377 |
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Medium Resolution
| Medium-resolution non time-domain data | Medium-resolution time-domain data | Total | |
| Total spectra | 2,318,264 | 8,711,580 | 11,029,844 |
| Star parameter | 1,099,373 | 1,063,565 | 2,162,938 |
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.
