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Atmospheric Phase Noise and Aperture Synthesis Imaging at Millimeter Wavelengths
1996
Publications of the Astronomical Society of the Pacific
We analyze data obtained with the Hat Creek interferometer at 86 GHz to estimate the atmospheric phase noise on spatial scales of 6 to 846 m, and time scales of 1 s to 10 hr. We find a phase structure function with a power-law index, ß between 0.6 and 1.7. A slope close to the Kolmogorov 2D value 0.67 is obtained for longer baselines and stable weather conditions; the slope approaches the Kolmogorov 3D value 1.67 only on short baselines and in turbulent weather. The rms phase at a 1 km baseline
doi:10.1086/133757
fatcat:7mgskmcnmvhgvcx44f7jees2yq