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Measuring The Effective Wavelength Of Chara Classic, Emily Collins Bowsher
Measuring The Effective Wavelength Of Chara Classic, Emily Collins Bowsher
Physics and Astronomy Theses
This thesis presents an engineering project measuring the effective wavelength of the CHARA Classic beam combiner on the CHARA Array. Knowing the actual effective wavelength of light observed is very important because that value is necessary for determining astrophysical parameters of stars. Currently, the value used for CHARA Classic data comes from a model of the system and is based on numbers published by the manufacturer of the filter; it is not derived from measurements done on the system directly. We use two data collection methods to observe standard stars of different spectral types and calculate the wavelength of light …