... Massive Wolf-Rayetstars are young (Population I) hydrogen-deficient stars ([ Hamann 1996 ]), as are binary systems such as Sgr ([ Jeffery 1996 ]). ...
... Next: Wolf-Rayetstars and hydrogen-deficient Up: R CORONAE BOREALIS STARS Previous: THE EVOLUTIONARY STATUS OF . ... Wolf-Rayetstars and hydrogen-deficient binaries . Hydrogen-deficient carbon stars . Extreme helium stars and hot RCB stars . ...
... as a candidate young stellar object, and more recently spectroscopically revealed as a hydrogen-rich Wolf-Rayet (WN5h) star ... Such changes are unprecedented for classical Wolf-Rayetstars, and are more reminiscent of Luminous Blue Variables. ...
... of exploding: the properties of oxygen sequence Wolf-Rayetstars Tramper, F., et al ... the sub-photospheric layers of classical Wolf-Rayetstars GrЁ afener, G. & Vink, J.S ... Rotating Wolf-Rayetstars in a post RSG/LBV phase. ...
... Such changes are unprecedented for classical Wolf-Rayetstars, and are more reminiscent of Luminous Blue Variables. ... Key words. stars: Wolf-Rayet stars: early-type stars: atmospheres stars: mass-loss stars: fundamental parameters 1. ...
... Most of the two dozen known EHes could be explained by post-AGB evolution, linking R Cr B stars to Wolf-Rayet type central stars of planetary nebulae, see Heber (1986) and Jeffery (1996) for reviews. ...