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.
MAST made extensive use of the TUES pages from the Institute for Astronomy and
Astrophysics Tübingen (IAAT) at the University of Tübingen
in Tübingen, Germany.
Special thanks go to Jürgen Barnstedt from the TUES project
for providing software, data, numerous documents and
answers to our almost infinite number of questions.