On the choice of chromospheric activity indices for lower main-sequence stars

Details On the choice of chromospheric activity indices for lower main-sequence stars On the choice of chromospheric activity indices for lower main-sequence stars

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...265..701t&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 265, no. 2, p. 701-703.

Statistics

Computation

Chromosphere, Main Sequence Stars, Stellar Activity, Stellar Atmospheres, Computational Astrophysics, Stellar Color, Stellar Cores

Scientific paper

The known stellar chromospheric activity indices RK and Delta FK and the index AK proposed by the present author (Teplitskaya) are compared with a new index WK, which is color-independent (Robinson et al., 1990). Teplitskaya has found that, for stars cooler than 5100 K, only the index AK is tightly correlated with W sub K.

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