The thermal stability of hydrogen-burning shells

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dc.contributor.authorVon Rudloff, Ilmo Roberten_US
dc.date.accessioned2024-08-15T20:12:12Z
dc.date.available2024-08-15T20:12:12Z
dc.date.copyright1985en_US
dc.date.issued1985
dc.degree.departmentDepartment of Physics
dc.degree.departmentDepartment of Physics and Astronomy
dc.degree.levelMaster of Science M.Sc.en
dc.description.abstractThe thermal stability of hydrogen- burning shells in low­mass stars typical of globular clusters has been investigated. A significant tendency towards instability is found to occur as they evolve into red giants, at a location on the colour-magnitude diagram where some globular clusters exhibit a peculiar gap. Heavy-element content, and to a lesser extent, mass and helium abundance are found to affect the degree of instability, through their effects on the temperature dependence of the energy generation rate in the shell. None of the models studied were found to be unstable; however some speculations are offered as to how further destabilization could occur.
dc.format.extent103 pages
dc.identifier.urihttps://hdl.handle.net/1828/20007
dc.rightsAvailable to the World Wide Weben_US
dc.titleThe thermal stability of hydrogen-burning shellsen_US
dc.typeThesisen_US

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