Astronomical Data Archives Center

The Astronomical Data Archives Center at Japan's National Astronomical Observatory provides astronomy archive services.

dbc.nao.ac.jp
Astronomical Data Archives Center homepage screenshot

About Astronomical Data Archives Center

The Astronomical Data Archives Center (ADAC) at the National Astronomical Observatory of Japan (NAOJ) provides astronomy data archive services on the web. The site lists an online catalogue service, a mirror of the VizieR catalogue service from CDS, and several observation data archives, including the SMOKA science archive, a photographic plates archive, and stacked data from the Tomo-e Gozen all-sky survey.

The source states that the information is provided only for academic research and educational activities, and that any commercial use of the information is prohibited. Pricing is not stated.

Key features

  • Online catalogue service for astronomical catalogues
  • Mirror of the VizieR catalogue service from CDS
  • SMOKA science archive for astronomical observation data
  • Stacked data from the Tomo-e Gozen all-sky survey, opened in 2021
  • Photographic plates archive from the Kiso Schmidt and Okayama 188cm telescopes
  • SkyMonitor imaging data service, available in Japanese only
Best for: Astronomy researchers and educators who need archived catalogues and observation data for academic research or teaching.
Good for
  • Brings several astronomical catalogue and archive services together on one site
  • Offers stacked survey data from the Tomo-e Gozen all-sky survey as open data
  • Hosts a mirror of the VizieR catalogue service from CDS
Watch out for
  • Use is limited to academic research and educational activities
  • Commercial use of the information is prohibited
  • The SkyMonitor imaging data service is available in Japanese only

Astronomical Data Archives Center at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Astronomical Data Archives Center FAQ

Can the data on this site be used for commercial purposes?
No. The site states that use of the information for any commercial product, service, or activity is prohibited. The stated purpose is academic research and educational activities.
Is the SkyMonitor imaging data service available in English?
The site lists the SkyMonitor Imaging Data Service System as Japanese only.
Why might an email to the center not arrive?
The site notes that, because of spam filtering, email from some addresses may not reach the data center's address.
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