IRSA - Sloan Digital Sky Survey (SDSS)

Mission Characteristics

Lifetime: 2004 - present
Wavelength:
  • u (3551 Å)
  • g (4686 Å)
  • r (6165 Å)
  • i (7481 Å)
  • z (8931 Å)
Area Coverage: Targeted - 5282 square degrees - Northern Galatic Cap, and three stripes in the Southern Galactic Cap
Instruments: Electronic light detectors
Science Products Generated: The DR3 imaging data cover 5282 square degrees, and include information on roughly 141 million objects, in five bands.

IRSA Services

Image Mosaic Service Use the IRSA and NVO image mosaic service to return science-grade SDSS mosaics that (a) preserve fluxes and astrometry and (b) rectify backgrounds to a common level.
FinderChart Visualization tool to cross-compare image data sets from various missions.

Other Resources:

SDSS Website The Sloan Digital Sky Survey Home Page.