Giridhar, S; Lambert, D. L; Gonzalez, G
(The American Astronomical Society, 1998-12)
Abundance analyses are presented and discussed for five RV Tauri variables. Three stars-DS Aqr, V360 Cyg, and V453 Oph-are RV C stars by spectroscopic classification, i.e., metal lines are weak. They are shown to be metal ...