The Challenges of Abundance Analysis for Long-Period Variables
- Autor(en)
- Thomas Lebzelter, Walter Nowotny-Schipper, Kenneth H. Hinkle, Susanne Höfner, Bernhard Aringer, Ulrike Heiter
- Abstrakt
The measurement of elemental abundances of Asymptotic Giant Branch (AGB) stars is a highly challenging task that so far has not been solved in a satisfactory way. We report here on our efforts to confront predictions from hydrostatic and dynamical model atmospheres with observational results based on high-resolution spectra of variable and non-variable giants in the globular cluster 47 Tuc. Our goal is to estimate the impact of atmospheric dynamics on the abundance determination.
- Organisation(en)
- Institut für Astrophysik
- Externe Organisation(en)
- INAF - Osservatorio Astronomico di Padova, National Optical Astronomy Observatory, Tucson, Uppsala University
- Seiten
- 283-288
- Publikationsdatum
- 08-2015
- ÖFOS 2012
- 103003 Astronomie, 103004 Astrophysik
- Link zum Portal
- https://ucrisportal.univie.ac.at/de/publications/the-challenges-of-abundance-analysis-for-longperiod-variables(83924093-30bf-4c58-88c8-577d5977e1d4).html