5 datasets found

Keywords: astronomical coordinate systems

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  • APFS Gaia DR2 Simple Query

    This service is an extension of the Apparent Places of Fundamental Stars (APFS) computing exact geocentric positions in both the CIO and equinox systems to stars from the Gaia...

  • APFS Simple Query Form

    The Apparent Places of Fundamental Stars (APFS) give exact geocentric positions for a selected set of FK6 stars.

  • APFS HIP Simple Query

    This service is an extension of the Apparent Places of Fundamental Stars (APFS) computing exact geocentric positions in both the CIO and equinox systems to stars from the...

  • APFS Gaia DR3 Simple Query

    This service is an extension of the Apparent Places of Fundamental Stars (APFS) computing exact geocentric positions in both the CIO and equinox systems to stars from the Gaia...

  • APFS Gaia DR3 Simple Query

    This service is an extension of the Apparent Places of Fundamental Stars (APFS) computing exact geocentric positions in both the CIO and equinox systems to stars from the Gaia...
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