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Letter to the Editor
Amplitude investigation of Scuti variables in open clusters
Received 22 July 1998 / Accepted 8 March 1999
We report here the results of a statistical analysis of 28 Scuti stars from five open clusters, Persei, Pleiades, Hyades, Praesepe and Coma. These Scuti variables, most of which are on the main sequence, tend to show a positive correlation between oscillation amplitude and absolute luminosity. No correlation is found between amplitude and effective temperature.
Key words: Galaxy: open clusters and associations: general stars: variables: ffi Sct stars: statistics stars: oscillations stars: fundamental parameters
© European Southern Observatory (ESO) 1999
Online publication: March 18, 1999