The first measurements of carbon isotopic ratios in post-RGB stars: SZ Mon and DF Cyg. E-iSpec: A spectral analysis tool to derive elemental abundances and isotopic ratios for evolved stars

Dusty post-red giant branch (post-RGB) stars are low- and intermediate-mass stars where the RGB evolution was prematurely terminated by a poorly understood binary interaction. These binary stars are considered to be low-luminosity analogues of post-asymptotic giant branch (post-AGB) binary stars. In...

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Veröffentlicht in:	arXiv.org 2024-03
Hauptverfasser:	Mohorian, Maksym, Kamath, Devika, Menon, Meghna, Ventura, Paolo, Hans Van Winckel, García-Hernández, D A, Masseron, Thomas
Format:	Artikel
Sprache:	eng
Schlagworte:	Abundance Apogees Asymptotic giant branch stars Atmospheric models Binary stars Carbon Chemical composition Depletion Infrared analysis Isotope ratios Luminosity Nuclear fusion Red giant stars Spectrum analysis Stellar evolution
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