The Astronomical Data Archives Center (ADAC) provides access to astronomical data from all over the world with links to online data catalogs, journal archives, imaging services and data archives. Users can access the VizieR catalogue service as well as the Hubble Ultra Deep Field Data by requesting password access. ADAC also provides access to the SMOKA public science data obtained through the Subaru Telescope in Hawaii as well as Schmidt Telescope at the University of Tokyo & MITSuME and KANATA Telescope at Higashi-Hiroshima Observatory. Users may need to contact the ADAC for password access or create user accounts for the various data services accessible through the ADAC site.
Astronomical Data Analysis Center was reorganized to Astronomy Data Center (ADC) and Center for Computational Astrophysics (CfCA) on 2006 April 1st. Astronomical Data Center has been renamed Astronomical Data Archives Center (ADAC) (2006.5.11).