Strong dust processing in circumstellar discs around 6 RV Tauri stars. Are dusty RV Tauri stars all binaries

@inproceedings{Ruyter2005StrongDP,
  title={Strong dust processing in circumstellar discs around 6 RV Tauri stars. Are dusty RV Tauri stars all binaries},
  author={Sofie Ruyter and Hans Van Winckel and Carsten Dominik and L.B.F.M. Waters and Herwig Dejonghe},
  year={2005}
}
We present extended Spectral Energy Distributions (SEDs) of seven classical RV Tauri stars, using newly obtained submillimetre continuum measurements and Geneva optical photometry supplemented with literature data. The broad-band SEDs show a large IR excess with a black-body slope at long wavelengths in six of the seven stars, R Set being the noticeable exception. This long wavelength slope is best explained assuming the presence of a dust component of large grains in the circumstellar material… CONTINUE READING

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