Mississippi State University
Pierce, Donna M.
Date of Degree
Graduate Thesis - Open Access
Master of Science (M.S.)
College of Arts and Sciences
Department of Physics and Astronomy
An integral field unit fiber array spectrograph was used to observe the emission spectra of radical species (C2, C3, CH, CN, and NH2) in multiple comets. The resultant azimuthal and radial division maps produced from the reduced data provide a unique method of analyzing features with these radicals in the comae, as well as how they behave over time. A Monte Carlo model was developed in order to simulate the behavior of particles from the outer nucleus and coma of each comet depending on various parameters including rotational period, outflow velocity, and active area location. The results from the model were used to constrain the physical parameters of three comets: 10P/Tempel 2, C/2009 P1 (Garradd), and 168P/Hergenrother.
Harris, Ien, "Analysis of comet rotation through modeling of features in the coma" (2022). Theses and Dissertations. 5469.