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Communication Dans Un Congrès Année : 2014

The interferometric baselines and GRAVITY astrometric error budget

Résumé

GRAVITY is a new generation beam combination instrument for the VLTI. Its goal is to achieve microarsecond astrometric accuracy between objects separated by a few arcsec. This 106 accuracy on astrometric measurements is the most important challenge of the instrument, and careful error budget have been paramount during the technical design of the instrument. In this poster, we will focus on baselines induced errors, which is part of a larger error budget.

Dates et versions

hal-03734291 , version 1 (21-07-2022)

Identifiants

Citer

Sylvestre Lacour, Frank Eisenhauer, S. Gillessen, Oliver Pfuhl, Yitping Kok, et al.. The interferometric baselines and GRAVITY astrometric error budget. Optical and Infrared Interferometry IV, Jun 2014, Montréal, Quebec, Canada. ⟨10.1117/12.2057366⟩. ⟨hal-03734291⟩
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