LAMOST Data Release 12 V1.0
Publish Time:2025-03-26 
LAMOST Data Release 12 V1.0 contains LAMOST medium/low resolution observations of the sky and catalog information from October 24, 2011 to June 3, 2024. A total of 6,605 plates were observed during the low resolution sky survey, and 12,602,390 spectra were obtained, including 12,231,890 stellar spectra,  281,059 galactic spectra, and  89,441 quasar spectra; It contains 8,370,041 records of atmospheric parameter information for A/F/G/K stars,  988,254 records of M-type stars and their parameter information, 734,010 records of A-type star parameter information, 18,293 of white dwarf star information, 624 of cataclysmic variable stars, 28,946 of galaxy constellation synthesis information, and 23,369 of quasar characteristic emission line information. A total of 15,475,985 spectra in 2,894 plates were obtained through mid-resolution sky surveys, including 3,365,641 non time domain spectra and 12,110,344 time domain spectra. Medium resolution star parameter catalog information 3,226,476 rows in total, including 1,641,907 rows for non-time domain observations and 1,584,569 rows for time-domain observations.
· Data Access ·
 
Data Website
LAMOST Data Release DR12 V1.0 LRS catalogue search
LAMOST Data Release DR12 V1.0 MRS catalogue search
catalogue download
♦Introduction♦
Keywords
LAMOST , Spectrum , Catalog
Data Volume
123535393 rows 3.43 TB
Sharing Method
online
Sharing Scope
Share with conditions
DOI
CSTR
VO Identifier
ivo://China-VO/data/LAMOST/DR12/V1.0/
♦Sub-datasets and Tables♦
♦Authors♦
Author
LAMOST Operation and Development Center
Email
support(at)lamost.org
♦Contact Publisher ♦
Email
support(at)china-vo.org
Phone
+86-10-64807973
Institution
National Astronomical Data Center
♦Rights♦
♦Tags♦
waveband
Optical
telescope or project
Large Sky Area Multi-Object Fiber Spectroscopic Telescope（LAMOST）
subject
Cosmology and Galaxies
Star and Interstellar Matter
data type
Spectrum Data
Catalog Data
production age
1980-
content level
Research