Modeling the Close Binary Star in Planetary Nebula Pa164

Faculty Sponsor

Todd Hillwig

College

College of Arts & Sciences (CAS)

Department/Program

Physics and Astronomy

ORCID Identifier(s)

0009-0004-3865-113X

Presentation Type

Poster Presentation

Symposium Date

Summer 7-23-2025

Abstract

A planetary nebula is one of the many fascinating and important processes in space that can occur in binary systems consisting of a white dwarf and a companion star in a very close orbit. Because of this, understanding this type of system is important to our overall understanding of our universe. These binary systems are born within planetary nebulae. However, only 26 such systems within planetary nebulae have been fully modeled to determine the physical parameters of the system. This is not a large enough number to result in meaningful statistical data. In order to work towards increasing this number, I used computational modeling to determine the physical characteristics of the binary system inside the planetary nebula Pa 164, consisting of a white dwarf star and a main sequence star. The modeled characteristics, or parameters, consist of the temperature, mass, and radius of both stars, secondary albedo, and system inclination. I present here the modeling results.

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