Other
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21542413o&link_type=abstract
American Astronomical Society, AAS Meeting #215, #424.13; Bulletin of the American Astronomical Society, Vol. 42, p.332
Other
Scientific paper
In several previous studies, we have used absorption bands of the titanium oxide (TiO) molecule to study starspot area and temperature on magnetically active stars, including RS CVn-type evolved systems and BY Dra-type dwarfs. These studies have concentrated on field stars, those bright enough to see with relatively small telescopes and echelle spectrographs -- thus no systematic study of the correlation of starspot coverage with other stellar properties was possible. Here, we present a TiO-band study of stars in a young cluster, the Pleiades. Our purpose is to investigate possible correlations of starspot properties with other factors, including rotational velocity, spectral type, and period. We have observed thirteen active stars in the Pleiades using the 2-d Coude Spectrograph on the 2.7m Telescope at McDonald Observatory of the University of Texas at Austin. Here, we present preliminary results and conclusions from this study.
This research was funded by an AAS Small Research Grant.
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