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Second Order Rotational Effect On Nonradial Oscillations In Delta-scuti Stars

In this work the effect of rotation on oscillation frequencies have been inves-
tigated . Rotation has been treated as a perturbation and detailed calculations
were done on the infuence of second order rotation . We used an evolutionary
model of DELTA-Scuti star V1162 Ori with a mass of 1:8 solar mass. The eigenfrequencies
were calculated in two cases , the slow rotation case with vsini = 46km/s and
the fast rotation case with vsini = 61.9km/s. Calculation were carried out by
a modifed oscillation program and results were compared to observations .

Identiferoai:union.ndltd.org:METU/oai:etd.lib.metu.edu.tr:http://etd.lib.metu.edu.tr/upload/12604741/index.pdf
Date01 February 2004
CreatorsMatalgah, Ziyad
ContributorsKirbiyik, Halil
PublisherMETU
Source SetsMiddle East Technical Univ.
LanguageEnglish
Detected LanguageEnglish
TypeM.S. Thesis
Formattext/pdf
RightsTo liberate the content for public access

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