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Photometry with Fabry-Perot Spectrometers

Published online by Cambridge University Press:  12 April 2016

J. Bland-Hawthorn
J. Bland-Hawthorn*
Affiliation:
Anglo-Australian Observatory, P.O. Box 296, Epping, NSW 2121, Australia

Abstract

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At optical and infrared wavelengths, imaging Fabry-Perot devices are used in three different ways: (i) to obtain a single spectrum of a diffuse source which fills a large fraction of the aperture, (ii) to obtain a monochromatic image within a field defined by the Jacquinot spot, and (iii) to obtain a spectrum at each pixel position over a wide field by tuning the etalon. We review the theoretical basis for Fabry-Perot photometry and summarize the calibration procedures for the different applications. We discuss methods for recognizing and dealing with artefacts (scattered light, atmospheric effects, etc.) which can seriously comprise the photometric integrity of the data if left untreated.

Type
2. The Fabry-Perot Spectrometer and its Applications
Information
International Astronomical Union Colloquium , Volume 149: Tridimensional Optical Spectroscopic Methods in Astrophysics , 1995 , pp. 72 - 84
Copyright
Copyright © Astronomical Society of the Pacific 1995

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