Calibrating optical/IR interferometry visibility data

Details Calibrating optical/IR interferometry visibility data Calibrating optical/IR interferometry visibility data

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007newar..51..617b&link_type=abstract

"New Astronomy Reviews, Volume 51, Issue 8-9, Proceedings of the EuroSummer School "Observation and Data Red

Astronomy and Astrophysics

Astronomy

2

Scientific paper

By construction, optical (and near-infrared) interferometers typically have resolutions designed to resolve stellar and circumstellar features; such resolution is manifested as fringe contrast (or visibility) reduction for the resolved source. These same interferometers also experience visibility reductions due to instrumental and environmental limitations, so a careful data calibration is required to accurately differentiate astrophysical and instrumental effects. This contribution discusses the basic techniques for and sources of errors in visibility data calibration, and selection strategies for sources used to calibrate the interferometer response.

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