Physics
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007phdt........17g&link_type=abstract
Proquest Dissertations And Theses 2007. Section 1104, Part 0606 109 pages; [M.Sc. dissertation].Canada: Saint Mary's University
Physics
Scientific paper
This thesis investigates the effects of stellar rotation on the HR diagram location of members within young clusters. The rotational effects on luminosity and temperature of a star depend on the viewing angle and the rotation rate of the star and must be included in determining the HR diagram locations. The position of members is used as an indicator of the rotational characteristics of the individual stars. The fraction of clusters with a selected member within restricted ranges of rotation rate and viewing angle has been calculated for each selected member. These selected members are: brightest cluster member, bluest cluster member, and reddest cluster member above a luminosity cutoff. The brightest and bluest members were found to be rapidly rotating and viewed pole-on in 74% and 88% of the clusters respectively. The reddest member above a luminosity cutoff was found to be rapidly rotating and viewed equator on in 94% of the clusters.
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