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Observability and UV coverage

Published online by Cambridge University Press:  31 January 2003

G. Perrin ,
F. Malbet  and
D. Ségransan
D. Ségransan*
Affiliation:
Observatoire de Genève, 51 chemin des Maillettes, 1290 Sauverny, Switzerland
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Abstract

Observing with an optical stellar interferometer is more complicated than observing with a single dish telescope. Several "hardware" constraints are added, such as the optical path difference compensation with delay lines as well as possible telescope vignetting. A more fundamental constraint is the coverage of the uv-plane. Its sampling costs a lot of observing time and thus should be optimized for each scientific source. These issues will be addressed in this tutorial and in Exercize number 2.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 6: Observing with the VLTI , 2003 , pp. 69
Copyright
© EAS, EDP Sciences, 2003

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