As of April 13, the archive is now using the STScI Single Sign-On (SSO) identity manager.
To check on your account click
For more information about how accounts were transitioned click here.
The Copernicus satellite, otherwise known as the
Orbiting Astronomical Observatory 3 (OAO-3),
obtained a series of high resolution far- (900-1560 Å) and
near- (1650-3150 Å) ultraviolet spectral scans
of 551 objects, primarily bright stars, from 1972 to 1981.