A Data Exchange Standard for Optical (Visible/IR) Interferometry

Details A Data Exchange Standard for Optical (Visible/IR) Interferometry A Data Exchange Standard for Optical (Visible/IR) Interferometry

2005-08-08

arxiv.org/abs/astro-ph/0508185v1

Astronomy and Astrophysics

Astrophysics

26 pages, 1 figure

Scientific paper

10.1086/444523

This paper describes the OI Exchange Format, a standard for exchanging calibrated data from optical (visible/infrared) stellar interferometers. The standard is based on the Flexible Image Transport System (FITS), and supports storage of the optical interferometric observables including squared visibility and closure phase -- data products not included in radio interferometry standards such as UV-FITS. The format has already gained the support of most currently-operating optical interferometer projects, including COAST, NPOI, IOTA, CHARA, VLTI, PTI, and the Keck Interferometer, and is endorsed by the IAU Working Group on Optical Interferometry. Software is available for reading, writing and merging OI Exchange Format files.

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