The extended atmosphere and evolution of the RV Tauri star, R Scuti

Details The extended atmosphere and evolution of the RV Tauri star, R Scuti The extended atmosphere and evolution of the RV Tauri star, R Scuti

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.511..153y&link_type=abstract

Exploiting the ISO Data Archive. Infrared Astronomy in the Internet Age, held in Siguenza, Spain 24-27 June, 2002. Edited by

Astronomy and Astrophysics

Astronomy

Scientific paper

We analyze ISO/SWS spectra of the RV Tau star, R Scuti. The data were obtained from the ISO data archive, and processed with OLP ver.10.1 and OSIA ver.2.0. We found that the infrared spectra of this star are dominated by emission bands of H2O vapour. We also identify CO, SiO and CO2 bands. Unlike the other RV Tau stars, the infrared spectra of R Sct are very similar to those of the oxygen-rich Mira variable, o Cet (Mira). However, 10 μm silicate band is very weak in R Sct. With these newly found properties of the star, we discuss structure and evolutionary stage of the star.
This study is an example that the uniform and high-quality data in the ISO Archive have a lot of potential to give an impact on stellar evolution.

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