Do we know of any Maunder minimum stars?

Research output: Contribution to journalArticle

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Abstract

Most stars previously identified as Maunder minimum stars are old and sequence. Analysis of activity measurements from the California and Carnegie Planet Search program stars and Hipparcos parallaxes implies that the canonical relation between age and chromospheric activity breaks down for stars older than ∼6 Gyr when activity is calculated from Mount Wilson S-values. Stars only 1 mag above the main sequence exhibit significantly suppressed activity levels, which have been mistaken for examples of Maunder minimum behavior.

Original languageEnglish (US)
Pages (from-to)1273-1278
Number of pages6
JournalAstronomical Journal
Volume128
Issue number3 1785
DOIs
StatePublished - Sep 1 2004

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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