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How to [Python! Finding Frequency Solutions for Variable Star Light Curves]
Instructor: Dr. Keaton Bell (Queens College, City University of New York)

Please note: This is the second session in a three-part series. Basic knowledge of Python is assumed. If you've never used Python before, you should install it and watch the recording of the first session ("The Basics") before attending this one.

Many stars vary in brightness at one or many frequencies. Measuring these frequencies reveals valuable information about the physical properties of the observed systems. This tutorial demonstrates how to measure the frequencies (or periods) of variation in light curve data with the interactive Python package Pyriod. The tutorial will introduce periodograms, significance testing, and the iterative prewhitening algorithm for fitting signals to the data. Attendees will benefit from previous experience with light curves and Python, but this is not required to follow the presentation.

Dr. Bell works with time series photometry from surveys like TESS, Kepler, and the Zwicky Transient Facility. Dr. Bell is the author of the Python package "Pyriod for prewhitening frequency analysis of time series astronomical data."

Oct 1, 2022 06:00 PM in Universal Time UTC

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