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In search of binaries among RV Tauri stars without dust

Project: 
The project is focused on searching for spectroscopic binary candidates among non-dusty (non-IR) RV Tauri stars. Since the discovery of RV Tauri stars, binaries have only been detected in the dusty ones, despite strong indications that the non-dusty ones must be binaries as well. In the first stage of this project the student will review the literature on RV Tauri stars and late stages of stellar evolution. The student will then proceed to analyzing spectroscopic data of the whole sample of non-IR objects (around 65 of them) obtained from the Belgian Mercator Telescope operated in Spain. There is scope for complementing the spectroscopic data with ones obtained by the South African Large Telescope (SALT) for the fainter targets.
Node This Project Is Offered On: 
(UCT)

Supervisor

Rajeev
Manick

Co-Supervisor

Brent
Miszalski
Research Area: 
Astrophysics


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