Name: Karen Kinemuchi
Institution: University of Wyoming

University of Washington
Astrolunch


Title: Analysis of Field RR Lyraes in the Solar Neighborhood: The Oosterhoff Dichotomy


Abstract:
The Northern Sky Variability Survey (NSVS) contains a complete census of variable stars to within ~7kpc, centered about the Sun. This survey also probes the Galactic inner halo and thick disk components. A catalog of ab-type RR Lyrae stars (RRab) has been produced. The photometric data from the NSVS allowed us to calculate the periods, amplitudes, mean magnitudes, Fourier decomposition parameters, and photometric metallicities for a sample of 1189 RRab stars. I will present the findings of the Oosterhoff Dichotomy trends observed from our magnitude limited sample.




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