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AsteriaStar
Alert system

VOEvent

The Virtual Observatory's standard machine-readable format for reporting a transient celestial event — what, where, when, and how confident — so that alerts flow automatically between observatories, brokers, and robotic telescopes.

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.