Abstract
On a obtenu la vitesse d'expansion [O III] dans 14 nebuleuses planetaires compactes a partir de spectres de haute dispersion. Toutes ces nebuleuses se trouvent dans un etat evolutif relativement primitif (rayon de la nebuleuse <0,07 pc) avec des vitesses d'expansion inferieures a 15 km s −1 . La seule exception est BD+30°3639 qui presente des emissions a double pic avec ΔV=46 km s −1
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