Features of the SDSS
Special 2.5m telescope, located at Apache Point, NM
Zero distortion focal plane.
Photometric survey in 5 bands.
Spectroscopic redshift survey.
30 CCDs 2K x 2K (imaging)
22 CCDs 2K x 400 (astrometry)
Two high resolution spectrographs
2 x 320 fibers, with 3 arcsec diameter.
R=2000 resolution with 4096 pixels.
Spectral coverage from 3900Å to 9200Å.
Over 70 man-years of development effort.
(Fermilab + collaboration scientists)
Expect over 20 TB of raw data.
About 1 TB processed catalogs.
Data made available to the public.