Large Sky Area Multi-Object Fiber Spectroscopic Telescope

DATA RELEASE 2

DR2 UPDATE (2016.06.30)
DR2 UPDATE (2015.12.15)
DR2 UPDATE (2015.02.13)

STAR

3,779,674

GALAXY

37,665

QSO

8,633

UNKNOWN

306,810

Catalog

Annual Statistics

Pilot Survey

(20111024-20120617)

Observed Plates

401

Total Spectra

906,420

STAR

807,575

GALAXY

2,754

QSO

618

UNKNOWN

95,473

AFGK Stars Catalog

389,877

A Stars Catalog

55,077

M Dwarfs Catalog

72,479

First Year Survey

(20120928-20130603)

Observed Plates

808

Total Spectra

1,637,842

STAR

1,509,790

GALAXY

9,555

QSO

4,094

UNKNOWN

114,403

AFGK Stars Catalog

821,984

A Stars Catalog

72,075

M Dwarfs Catalog

62,376

Second Year Survey

(20130910-20140603)

Observed Plates

725

Total Spectra

1,588,520

STAR

1,462,309

GALAXY

25,356

QSO

3,921

UNKNOWN

96,934

AFGK Stars Catalog

995,328

A Stars Catalog

69,724

M Dwarfs Catalog

70,905

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.