4 papers · 1 filter
HST Imagery and CFHT Fabry-Perot 2-D Spectroscopy in Halpha of the Ejected Nebula M1-67: Turbulent Status
Yves Grosdidier, Anthony F. J. Moffat, Sébastien Blais-Ouellette +2
With HST-WFPC2 we have obtained a deep, H-alpha image of the WR nebula M1-67. With the interferometer of the Universite Laval (Quebec, Canada), we have obtained complementary Fabry…
Stars and Planetary Nebulae in the Galactic Bulge
F. Cuisinier, J. Koppen, A. Acker +1
We compare the populations of Red Giant stars and Planetary Nebulae in the Galactic Bulge, in the light of recent determinations of their abundances patterns. We find both populati…
The dynamics of planetary nebulae in the Galaxy: evidence for a third integral
S. Durand, H. Dejonghe, A. Acker
We present a dynamical analysis of 673 galactic Planetary Nebulae, using a two-integral axisymmetric model with a Kuzmin-Kutuzov Stäckel potential. The method fits the kinematics t…
COMPARATIVE STUDY OF A [WC 6] NUCLEUS WITH OTHER EMISSION-LINES NUCLEI OF PLANETARY NEBULAE
A. Acker, S. K. Gorny, F. Cuisinier
The central star (CSPN) of the planetary nebula M 1-25 (PN G 4.9+4.9) is classified as a [WC 6] star, the only CSPN of this subclass known at this time. A comparison with the other…