Long-term stability of a Fabry-Perot interferometer used for measurement of stellar Doppler shift

Robert S. McMillan; Peter H. Smith; Marcus L. Perry; T. L. Moore; William J. Merline

doi:10.1117/12.19123

1 July 1990 Long-term stability of a Fabry-Perot interferometer used for measurement of stellar Doppler shift

Robert S. McMillan, Peter H. Smith, Marcus L. Perry, T. L. Moore, William J. Merline

Proceedings Volume 1235, Instrumentation in Astronomy VII; (1990) https://doi.org/10.1117/12.19123
Event: SPIE Astronomical Telescopes and Instrumentation for the 21st Century, 1990, Tucson, AZ, United States

Abstract

The use of a fiber-optic-link CCD-detector Fabry-Perot interferometer (McMillan et al., 1985, 1986, and 1988) to obtain high-accuracy measurements of stellar Doppler shifts at KPNO is described in detail and illustrated with sample data. Particular attention is given to accuracy requirements and techniques for reducing errors, resolution (orders of 50 mA at wavelength 4300 A are separated by 640 mA), CCD sensitivity, observing and data-processing operations, and the control of environmental conditions. Standard-deviation data and statistics on seven solar-type stars are presented in tables, and the time evolution of the radial velocity of Beta Com is shown in a graph.

Citation Download Citation

Robert S. McMillan, Peter H. Smith, Marcus L. Perry, T. L. Moore, and William J. Merline "Long-term stability of a Fabry-Perot interferometer used for measurement of stellar Doppler shift", Proc. SPIE 1235, Instrumentation in Astronomy VII, (1 July 1990); https://doi.org/10.1117/12.19123

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