Frequency Analysis of Long-term AAVSO Visual Observations of TU Cas

Details Frequency Analysis of Long-term AAVSO Visual Observations of TU Cas Frequency Analysis of Long-term AAVSO Visual Observations of TU Cas

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008javso..36..207d&link_type=abstract

The Journal of the American Association of Variable Star Observers, vol. 36, no. 2, p. 207

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Scientific paper

Forty years of visual data in the AAVSO International Database for the double-mode Cepheid variable TU Cas were analyzed for possible changes in pulsation frequency and amplitude. The data were divided into four epochs for frequency analysis to search for any changes in the pulsation periods. The fundamental and first-overtone periods showed no significant variation during the forty-year span. The values determined for these frequencies agree well with other studies based on PMT and CCD data.

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