Sloan Digital Sky Survey (SDSS)
The 2.5-meter telescope is located at the Apache Point Observatory in New Mexico.
- Light observed
- Redshift survey
- Observation periods
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- SDSS-1: 2000-2005
- SDSS-2: 2005-2008
- SDSS-3: 2008-2014
- Four surveys
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- Apache Point Observatory Galactic Evolution Experiment (APOGEE)
- Baryon Oscillation Spectroscopic Survey (BOSS)
- Multi-Object APO Radial Velocity Exoplanet Large-area Survey (MARVELS)
- Sloan Extension for Galactic Understanding and Exploration 2 (SEGUE-2)
- Website
- SDSS's homepage