Stellar Rotation and Activity |
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| Authors: | D R Soderblom |
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| Institution: | (1) Space Telescope Science Institute, Baltimore, MD, USA |
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| Abstract: | This review is limited to solar-type stars (late-F to early-K main sequence stars) and to recent developments in the study
of the evolution of angular momentum in those stars. Observations of rotation in young clusters are discussed, together with
the models that have been put forth to account for what is seen. One key question is whether or not the convective envelopes
of solar-type stars decouple from the radiative cores when the stars near the Zero-Age Main Sequence. That question cannot
yet be answered, but forthcoming observations are likely to address the issue. Another significant open question is the degree
to which any one cluster of stars is typical of all stars at that age, and that too is near to being resolved as we reach
deeper into the Galaxy at high spectroscopic resolution. Finally, some general properties of activity in solar-type stars
are presented.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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