Declining photometric amplitude of the Cepheid variable Polaris

Astronomy and Astrophysics – Astronomy

Scientific paper

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Amplitudes, Cepheid Variables, Periodic Variations, Stellar Luminosity, Stellar Magnitude, Stellar Oscillations, Ubv Spectra, Variability, Astronomical Photometry, Ephemerides, Light Curve, Radial Velocity

Scientific paper

BV photometric observations of Polaris made in early 1993 show that the
amplitude of variation has fallen to approximately half that observed in
1980-81. The observations are presented and analyzed for changes to the
amplitude and period of the light curve.

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