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Spectroscopical analysis of δ Scuti stars
Published online by Cambridge University Press: 26 May 2016
Extract
δ Scuti are pulsating stars with a characteristic period of several hours, lying in the A2-F5 spectral range and placed on or a little above the main sequence. Unlike the well-known “classical” RR Lyrae or Cepheids, which show a homogeneous pulsational behaviour (i.e. radial modes with large amplitudes), δ Scuti stars have peculiarities: their amplitudes vary from millimagnitudes to tenths of magnitude and their pulsation modes can be both radial and non-radial.
- Type
- 1. Pulsation and Rotation
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- Copyright © Kluwer 1994