Observations of active-chromosphere stars – II. Photometry of AB Dor, 1978–1987
- J. Innis, K. Thompson, D. Coates, T. Evans
- Physics
- 1 December 1988
Les observations photometriques de l'etoile active AB Dor, combinees avec des resultats publies anterieurement donnent une serie de 18 courbes de lumiere, s'etendant de 1978 a 1987. L'analyse des…
Keplerian discs around post-AGB stars: a common phenomenon?
- S. D. Ruyter, H. Winckel, T. Maas, T. Evans, L. Waters, H. Dejonghe
- Physics
- 25 January 2006
Aims. We aim at showing that the broad-band SED characteristics of our sample of post-AGB stars are best interpreted, assuming the circumstellar dust is stored in Keplerian rotating passive discs.…
Circumstellar material and the light variations of RV Tauri stars
- T. Evans
- Physics
- 1 December 1985
Photometrie IR dans le systeme JHKL de 35 etoiles de type RV Tauri ou relies. Ces etoiles montrent un exces IR indiquant la presence de poussiere circumstellaire avec une temperature d'environ 900 K
Post-AGB stars with hot circumstellar dust: binarity of the low-amplitude pulsators
- H. Winckel, T. Evans, W. Zima
- Physics, Geology
- 24 June 2009
Context. The influence of binarity on the late stages of stellar evolut ion. Aims. While the first binary post-AGB stars were serendipitously d iscovered, the distinct characteristics of their…
Short period eclipsing binary candidates identified using SuperWASP
Light curves and periods of 53 candidates for short period eclipsing binary stars identified by SuperWASP are presented, including 48 newly identified objects with periods <2 × 10^4 s and four other previously known W UMa stars.
The optically bright post-AGB population of the LMC
- E. V. Aarle, H. Winckel, T. Evans, T. Ueta, P. Wood, A. Ginsburg
- PhysicsProceedings of the International Astronomical…
- 1 July 2008
Abstract The detected variety in chemistry and circumstellar shell morphology of the limited sample of Galactic post-AGB stars is so large, that there is no consensus yet on how individual objects…
Red stars in Magellanic Cloud globular clusters
- T. Evans
- Physics
- 1 November 1980
Spectroscopic and photometric observations of SN 1987a: the first 50 days
- J. Menzies, R. Catchpole, R. Wolstencroft
- Physics
- 1 July 1987
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