Statistics – Computation
Scientific paper
Sep 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1170..146c&link_type=abstract
STELLAR PULSATION: CHALLENGES FOR THEORY AND OBSERVATION: Proceedings of the International Conference. AIP Conference Proceedin
Statistics
Computation
Photometric, Polarimetric, And Spectroscopic Instrumentation, Spectroscopy And Spectrophotometry, Luminosities, Magnitudes, Effective Temperatures, Colors, And Spectral Classification
Scientific paper
We present the planned research for a new long term project on RV Tauri stars at SCSU in partnership with NOAO through the NSF PAARE program. We will work to model physical processes that relate the period(s) of these stars to their luminosity, temperature and other physical parameters that may have cosmological significance through their potential use in distance calculations. Analysis begins with existing photometric data from AAVSO and coude-feed spectra from KPNO. Our modeling efforts will use computational searches for the (quasi)period(s) of pulsation in the light curves and examine the typical stability of the discovered period(s). Connection of the period structures with the stellar parameters derivable from the spectra will allow us to examine a phase space of physical properties, enabling classification of the various RV Tauri type variables into scientifically useful groups and may provide additional insight into the underlying physical processes and evolutionary state of these variables.
Cash Jennifer
Howell Steve
Walter Don
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