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A time series study of Rigel, a B8Ia supergiant

Rother, Sara
http://rave.ohiolink.edu/etdc/view?acc_num=toledo1249043423

Abstract Details

2009, Master of Science, University of Toledo, Physics.
Rigel is a B8Ia spectral type, massive, supergiant star that is experiencing mass loss in the stellar wind. The study was done with data on Rigel that was taken over the course of 10 seasons, with 192 total observations. All observations were taken with the 1.06 meter telescope at the University of Toledo's Ritter Astrophysical Research Center. I looked for a periodic variation in the hal~ line by looking at the equivalent widths and radial velocities, as well as classifying the profiles into seven categories and determining the frequency of occurrence of each. I also measured the radial velocities of a singly ionized carbon line. A high velocity absorption event, such as the 2 seen by Kaufer et. al. in 1993 and 1994, was also seen in 2006 in this study. No single, dominant periodic component was found in the radial velocity measurements of either line.
Nancy Morrison (Advisor)
Steven Federman (Committee Member)
Rupali Chandar (Committee Member)
81 p.
Astronomy; Astrophysics
stellar astrophysics; rigel; beta Ori

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Citations

  • Rother, S. (2009). A time series study of Rigel, a B8Ia supergiant [Master's thesis, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1249043423

    APA Style (7th edition)

  • Rother, Sara. A time series study of Rigel, a B8Ia supergiant. 2009. University of Toledo, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=toledo1249043423.

    MLA Style (8th edition)

  • Rother, Sara. "A time series study of Rigel, a B8Ia supergiant." Master's thesis, University of Toledo, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1249043423

    Chicago Manual of Style (17th edition)

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© 2009, all rights reserved.
This open access ETD is published by University of Toledo and OhioLINK.