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08 July 2011 here

06 July 2011 here

30 June 2011 here

27 June 2011 here

24 June 2011 here

21 June 2011 here


      My work this summer will focus on star 9020 in the open cluster NGC 7789. This star is interesting because it is a double-line spectroscopic binary with an unusually high eccentricity for such a short orbital period. We hope to use Rich Townsend's Twinsyn code to fit synthetic spectra to a series of 9020's spectra (examples here) provided by Katelyn. Ideally, the parameters used to generate the spectra that best fit the data will accurately describe 9020.