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As of April 13, the archive is now using the STScI Single Sign-On (SSO) identity manager. To check on your account click here. 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.