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Pulsations of the Mira-type component in the Symbiotic Binary R Aqr
Published online by Cambridge University Press: 25 May 2016
Abstract
Time series analysis of the brightness variations of R Aqr is based on 1521 visual observations from the AFOEV database. The statistically significant number of harmonics for the mean phase curve is m = 5. The cycle-to-cycle variations of the phase curve are present. The most stable in phase is the maximum, for which no secular period variations detected, but a secondary cycle of P2 = 3955 ± 50d and amplitude (0.032 ± 0.005)P may be suggested.
- Type
- V. From AGB to Planetary Nebulae
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- Copyright © Kluwer 1997