Long Secondary Periods in Variable Red Giants

Preprint English OPEN
Nicholls, C. P.; Wood, P. R.; Cioni, M. -R. L.; Soszyński, I.;
  • Related identifiers: doi: 10.1111/j.1365-2966.2009.15401.x
  • Subject: Astrophysics - Solar and Stellar Astrophysics
    arxiv: Astrophysics::Galaxy Astrophysics | Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::Earth and Planetary Astrophysics | Astrophysics::Solar and Stellar Astrophysics

We present a study of a sample of LMC red giants exhibiting Long Secondary Periods (LSPs). We use radial velocities obtained from VLT spectral observations and MACHO and OGLE light curves to examine properties of the stars and to evaluate models for the cause of LSPs. T... View more
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