VizieR Online Data Catalog: M-subdwarf research. I. LAMOST DR4 spectra obs. (Zhang+, 2019)
Abstract
The DR4 of the LAMOST regular survey contains 7620612 spectra, covering the entire optical band (~3700-9000Å) at resolution R~1800, including 6944971 stellar spectra, 153348 extragalactic spectra (galaxies and quasi-stellar objects (QSO)), and 522293 spectra classified as unknown (most of the latter because of insufficient signal to noise).
(1 data file).- Publication:
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VizieR Online Data Catalog
- Pub Date:
- May 2019
- DOI:
- Bibcode:
- 2019yCat..22400031Z
- Keywords:
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- Radial velocities;
- Spectra: optical;
- Stars: M-type;
- Photometry: ugriz;
- Proper motions;
- Parallaxes: trigonometric;
- Stars: late-type