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| Paper: |
Multiperiodicities in the photometric variability of RS CVn binaries - What we know after 15 years |
| Volume: |
34, Robotic Telescopes in the 1990s |
| Page: |
27 |
| Authors: |
Hall, Douglas S. |
| Abstract: |
An overview of the behavior of the RS CVn binaries is presented. It is argued that chromospherically active stars vary in brightness on a variety of different time scales, each involving very different physics. Some of them are literally periodic, some are quasi-periodic or cyclical, and some can be described only in terms of a time scale. Connections between some of the different periods, cycles, and time scales are explained. Attention is given to orbital period, rotation period, migration, spot lifetimes, magnetic cycles and flares. |
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