Atmospheric power spectra

David Mozurkewich

doi:10.1117/12.317115

24 July 1998 Atmospheric power spectra

David Mozurkewich

Proceedings Volume 3350, Astronomical Interferometry; (1998) https://doi.org/10.1117/12.317115
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

As a fringe tracking stellar interferometer, the NPOI routinely determines time series of fringe motion and provides the only currently available simultaneous multi- baseline atmospheric turbulence data. We have used these time series to determine properties of atmospheric turbulence at the Anderson Mesa astronomical site near Flagstaff AZ. The shapes of the temporal power spectra imply an infinite outer scale. However, the total atmospheric power is significantly less than expected. This implies a very short outer scale, despite the shape of the spectra. The data are presented and discussed.

Citation Download Citation

David Mozurkewich "Atmospheric power spectra", Proc. SPIE 3350, Astronomical Interferometry, (24 July 1998); https://doi.org/10.1117/12.317115

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