NDLI: The astrometric data reduction software (ADRS) and error budget for PRIMA

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The astrometric data reduction software (ADRS) and error budget for PRIMA

Content Provider	Semantic Scholar
Author	Elias, Nicholas M. Tubbs, Robert N. Koehler, Rainer Reffert, Sabine Stilz, Ingo Launhardt, Ralf Jong, Jeroen De Quirrenbach, Andreas Delplancke, Françoise Henning, Th. Queloz, Didier
Copyright Year	2007
Abstract	Observatoire Astronomique de l’Universit´edeGen`eve1290 Sauverny, SwitzerlandAbstract.The Astrometric Data-Reduction Software (ADRS) processes fringe, delay, environ-mental, and calibration data for PRIMA narrow-angle astrometry. It is automated softwaredesigned to provide fully-calibrated diﬀerential delays and separation angles. The ADRS isdivided into on-line and oﬀ-line processing. The former deals with calibration and data com-pression, while the latter applies corrections and calculates science quantities. PRIMA is theﬁrst VLTI instrument that may require removal of long-term environmental trends. The trendidentiﬁcation and ﬁtting routines are not part of the distributed on-line and oﬀ-line processingsoftware. Instead, ﬁles containing ﬁt parameters will be updated regularly. Coding is presentlyunderway. The PRIMA error budget summarizes the principal sources of error in PRIMA as-trometric observations.Keywords.astrometry, stars: planetary systems, instrumentation: interferometers, techniques:interferometric, methods: data analysis, techniques: high angular resolution, infrared: stars
File Format	PDF HTM / HTML
DOI	10.1017/S1743921308016499
Alternate Webpage(s)	https://core.ac.uk/download/pdf/85210731.pdf
Alternate Webpage(s)	https://doi.org/10.1017/S1743921308016499
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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