Fundamental Properties of Eclipsing Binary Stars
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Popper and a graduate student will analyze many years' worth of                 photographic spectra of binary stars in order to determine stellar              masses and other stellar parameters.                                                                                                                            The mass of a star determines nearly all of its characteristics                 including its size, temperature, and lifetime.  Observationally,                stellar masses can be obtained when two stars orbit about each                  other, each attracted by the other's gravity.  Popper will analyze              a large collection of photographic spectra of binary stars in                   order to extract masses and other fundamental parameters.
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