Stothers and Chin 2001
Stothers, R.B., and C.-W. Chin, 2001: Yellow hypergiants as dynamically unstable post-red supergiant stars. Astrophys. J., 560, 934-936, doi:10.1086/322438.
According to recent tehoretical studies, the majorirt of single stars more massive than 30 M☉ successfully evolve into red supergiants but then lose mose of their hydrogen envelopes and metamorphose into hot blue remnants. While they are cool, they become dynamically unstable as a result of high radiation pressure and partial ionization of the gases in their outer layers. It is shown here that these unstable red supergiant models repeatedly shrink and reexpand on a thermal timescale when perturbed by heavy bursts of mass loss. Consequently, they fill up the domain of yellow hypergiants on the Hertzsprung-Russell diagram and display very fast rates of evolution there, as observed.
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Stothers, R.B., and Chin, C.-W.: Yellow hypergiants as dynamically unstable post-red supergiant stars, Astrophys. J., 560, 934-936, doi:10.1086/322438, 2001.
Stothers, R.B., and C.-W. Chin (2001), Yellow hypergiants as dynamically unstable post-red supergiant stars, Astrophys. J., 560, 934-936, doi:10.1086/322438.
Stothers, R.B., and C.-W. Chin, 2001: Yellow hypergiants as dynamically unstable post-red supergiant stars. Astrophys. J., 560, 934-936, doi:10.1086/322438.
Stothers, R.B., & Chin, C.-W. 2001, Astrophys. J., 560, 934, doi:10.1086/322438.
Stothers RB, Chin C-W. Yellow hypergiants as dynamically unstable post-red supergiant stars, Astrophys J 2001;560:934-936. doi:10.1086/322438.
R.B. Stothers, C.-W. Chin, Astrophys. J. 560, 934-936, doi:10.1086/322438 (2001).
