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Communication Dans Un Congrès Année : 2011

Daily Processing of Solar System Object Observations by Gaia

Résumé

By definition, an alert system has to be activated as fast as possible in response to a selected event. For this reason, a pipeline performing fast processing of Gaia observations of Solar System objects (SSO) is being implemented. Its output will concern moving objects that are not matched against an up-to-date catalogue of known asteroids. These "new" Gaia asteroids will have an approximate short-arc orbit determined which can be used to disseminate alerts toward ground-based observers. Without a preliminary orbit (or a bundle of possible orbits) ground-based recovery would be extremely hard, especially for NEOs passing close to Earth, due to the fact that Gaia will orbit around the Lagrangian point L2, thus resulting in a large parallax.
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Dates et versions

hal-00601954 , version 1 (21-06-2011)

Identifiants

  • HAL Id : hal-00601954 , version 1

Citer

P. Tanga. Daily Processing of Solar System Object Observations by Gaia. Workshop Gaia Fun-SSO : follow-up network for the Solar System Objects, Nov 2010, Paris, France. 149 p. ⟨hal-00601954⟩
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