ESPRI data-reduction strategy and error budget for PRIMA

Details ESPRI data-reduction strategy and error budget for PRIMA ESPRI data-reduction strategy and error budget for PRIMA

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..248..132t&link_type=abstract

A Giant Step: from Milli- to Micro-arcsecond Astrometry, Proceedings of the International Astronomical Union, IAU Symposium, Vol

Astronomy and Astrophysics

Astronomy

1

Astrometry, Planetary Systems, Instrumentation: Interferometers, Techniques: Interferometric, Methods: Data Analysis, Techniques: High Angular Resolution, Infrared: Stars

Scientific paper

The Exoplanet Search with PRIma (ESPRI) will use the PRIMA dual-feed astrometric capability on the Very Large Telescope Interferometer (VLTI) to perform astrometric detections of extra-solar planets. We present an overview of our data-reduction strategy for achieving 10-μarcsecond accuracy narrow-angle astrometry using the PRIMA instrument. We discuss the error budget for astrometric measurements, and those aspects of our strategy which are designed to minimise the astrometric measurement errors.

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