CHARA Near-infrared Imaging of the Yellow Hypergiant Star ρ Cassiopeiae: Convection Cells and Circumstellar Envelope

Massive evolved stars such as red supergiants and hypergiants are potential progenitors of Type II supernovae, and they are known for ejecting substantial amounts of matter, up to half their initial mass, during their final evolutionary phases. The rate and mechanism of this mass loss play a crucial...

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Veröffentlicht in:	The Astrophysical Journal 2024-10, Vol.974 (1), p.113
Hauptverfasser:	Anugu, Narsireddy, Baron, Fabien, Monnier, John D., Gies, Douglas R., Roettenbacher, Rachael M., Schaefer, Gail H., Montargès, Miguel, Kraus, Stefan, Le Bouquin, Jean-Baptiste, Anderson, Matthew D., ten Brummelaar, Theo, Codron, Isabelle, Farrington, Christopher D., Gardner, Tyler, Gutierrez, Mayra, Köhler, Rainer, Lanthermann, Cyprien, Norris, Ryan, Scott, Nicholas J., Setterholm, Benjamin R., Vargas, Norman L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Convection Convection cells Convective cells Dimming Emission lines Image reconstruction Infrared imaging Infrared stars Interferometric observation Late-type supergiant stars Line spectra Long period variable stars Red giant stars Sciences of the Universe Stars Stellar envelopes Stellar evolution Stellar mass loss Stellar radii Stellar surfaces Supergiant stars Supernovae Variable stars Visual observation Wavelengths
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