Python package development for the photometric study of NSVS 896797 and NSVS 25037

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Authors

Koeller, Kyle

Advisor

Berrington, Robert C.

Issue Date

2023-05

Keyword

Degree

M. S.

Department

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Abstract

I present new differential multi-aperture photometry of eclipsing binary star candidates NSVS 254037 and NSVS 896797. Images were reduced using the Image Reduction and Analysis Facility (IRAF). The differential multi-aperture photometry was performed using AstroImageJ (AIJ). The light curves were analyzed using the Physics of Eclipsing Binaries (PHOEBE) software (v0.30a). Observed light curves are fit with the PHOEBE software package and best-fit model parameters are reported. Observational data has been acquired from Transient Exoplanet Survey Satellite (TESS) and data from American Association of Variable Star Observers (AAVSO) for the purpose of fine tuning models and will be used for further analysis. I have also created a software package that downloads and starts rudimentary data analysis for a given system. Observed times of minimum light were determined and compared to a calculated time of minimum light and suggest possible period changes for NSVS 254037.

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