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Atmospheric dispersion and the implications for phase calibration
Emily I. Curtis, Bojan Nikolic, John S. Richer +1
The success of any ALMA phase-calibration strategy, which incorporates phase transfer, depends on a good understanding of how the atmospheric path delay changes with frequency (e.g…
Fitting and Comparison of Models of Radio Spectra
Bojan Nikolic
I describe an approach to fitting and comparison of radio spectra based on Bayesian analysis and realised using a new implementation of the nested sampling algorithm. Such an appro…
Inference of Coefficients for Use in Phase Correction II: Using the Observed Correlation Between Phase and Sky Brightness Fluctuations
Bojan Nikolic
By observing bright and compact astronomical sources while also taking data with the 183 GHz Water Vapour Radiometers, ALMA will be able to measure the `empirical' relationship bet…
Inference of Coefficients for Use in Phase Correction I
B. Nikolic
We present a Bayesian approach to calculating the coefficients that convert the outputs of ALMA 183 GHz water-vapour radiometers into estimates of path fluctuations which can then…