Publication Abstracts

Stothers 1980

Stothers, R., 1980: Hydromagnetics and period changes in RR Lyrae stars. Publ. Astron. Soc. Pacific, 92, 475-478, doi:10.1086/130696.

Balazs-Detre and Detre have drawn an interesting parallel between the observed time scales of variability in the sun and in RR Lyrae stars. Additional information is presented here to support their conjecture that an analog of the solar magnetic cycle is operating in RR Lyrae stars. Rough considerations of the expected changes of photospheric radius and of magnetic energy content during a magnetic cycle suggest that the pulsation periods of these stars should also change in time. Within the large observational and theoretical uncertainties, the predicted period changes are compatible with those observed.

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BibTeX Citation

  author={Stothers, R.},
  title={Hydromagnetics and period changes in RR Lyrae stars},
  journal={Publ. Astron. Soc. Pacific},

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RIS Citation

ID  - st00500s
AU  - Stothers, R.
PY  - 1980
TI  - Hydromagnetics and period changes in RR Lyrae stars
JA  - Publ. Astron. Soc. Pacific
VL  - 92
SP  - 475
EP  - 478
DO  - 10.1086/130696
ER  -

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