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The planetary nebula Abell 48 and its [WN4] central star
I. S. Bojicic, D. J. Frew, Q. A. Parker +3
We have conducted a multi-wavelength study of the planetary nebula Abell 48 and give a revised classification of its nucleus as a hydrogen-deficient star of type [WN4]. The surroun…
Testing the binary hypothesis for the formation and shaping of planetary nebulae
D. Douchin, O. De Marco, G. H. Jacoby +5
There is no quantitative theory to explain why a high 80% of all planetary nebulae are non-spherical. The Binary Hypothesis states that a companion to the progenitor of a central s…
A view of the solar neighbourhood: the local population of planetary nebulae and their mimics
David J. Frew, Quentin A. Parker
We have, for the first time, compiled a nearly complete census of planetary nebulae (PNe) centred on the Sun. Our goal is the generation of an unbiased volume-limited sample, in or…
Wolf-Rayet Central Stars of Planetary Nebulae: Their Evolution and Properties
Kyle DePew, David J. Frew, Quentin A. Parker +1
Over the past decade, the number of planetary nebula central stars (CSPN) known to exhibit the Wolf-Rayet (WR) phenomenon has grown substantially. Many of these discoveries have re…
A new [Oiii] \lamda5007 Å Galactic Bulge Planetary Nebula Luminosity Function
A. V. Kovacevic, Q. A. Parker, G. H. Jacoby +1
The Planetary Nebulae Luminosity Function (PNLF) describes the collective luminosity evolution for a given population of Planetary Nebulae (PN). A major paradox in current PNLF stu…