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Common envelope evolution: where we stand and how we can move forward
This work aims to present our current best physical understanding of common-envelope evolution (CEE). We highlight areas of consensus and disagreement, and stress ideas which should point the wayExpand
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Magnetic field, dust and axisymmetrical mass loss on the asymptotic giant branch
I propose a mechanism for axisymmetrical mass loss on the asymptotic giant branch, that may account for the axially symmetric structure of elliptical planetary nebulae. The proposed model operatesExpand
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A circumbinary disc in the final stages of common envelope and the core-degenerate scenario for Type Ia supernovae
We study the final stages of the common envelope (CE) evolution and find that a substantial fraction of the ejected mass does not reach the escape velocity. To reach this conclusion we use aExpand
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Theory of local thermal instability in spherical systems
The gasdynamical properties of local thermal instability in optically thin astrophysical plasmas as it occurs in spherical accretion and winds is investigated. In a medium characterized by bothExpand
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Properties That Cannot Be Explained by the Progenitors of Planetary Nebulae
I classify a large number of planetary nebulae (458) according to the process that caused their progenitors to blow axisymmetrical winds. The classification is based primarily on the morphologies ofExpand
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Asymmetric envelope expansion of supernova 1987A
Des modeles analytiques sont presentes pour l'expansion a symetrie spherique d'une enveloppe de supernova similaire a celle de SN 1987A. Une solution self-similaire montre que le profil de densiteExpand
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The Chandra X-Ray Survey of Planetary Nebulae (CHANPLANS): Probing Binarity, Magnetic Fields, and Wind Collisions
We present an overview of the initial results from the Chandra Planetary Nebula Survey (CHANPLANS), the first systematic (volume-limited) Chandra X-Ray Observatory survey of planetary nebulae (PNe)Expand
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Collimated Fast Winds in Wide Binary Progenitors of Planetary Nebulae
We discuss the formation of planetary nebulae (PNs) having a pair of lobes, or multilobes, in their inner region, surrounded by an elliptical or spherical shell or halo. Both elliptical and bipolarExpand
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The common envelope phase in the evolution of binary stars
The common envelope phase in the evolution of binary systems is examined. Three parameters are identified which characterize the efficiency of energy deposition, the importance of three-dimensionalExpand
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