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Explore frequency analysis techniques for variable star light curves in this advanced Python tutorial webinar. Learn to measure brightness variation frequencies using the interactive Pyriod package, gaining insights into stellar physical properties. Dive into periodograms, significance testing, and the iterative prewhitening algorithm for fitting signals to data. Benefit from Dr. Bell's expertise in time series photometry from surveys like TESS, Kepler, and the Zwicky Transient Facility. While prior experience with light curves and Python is helpful, it's not mandatory to follow the presentation. For beginners, it's recommended to watch the first session on Python basics before attending this second part of the three-part series.