Asymmetrical Planetary Nebulae II: From Origins to Microstructures
- J. Kastner, N. Soker, S. Rappaport
- Physics
- 2000
Common envelope evolution: where we stand and how we can move forward
- N. Ivanova, S. Justham, R. Webbink
- Physics
- 19 September 2012
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 way…
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 a…
On the Nature of Feedback Heating in Cooling Flow Clusters
- F. Pizzolato, N. Soker
- Physics
- 2 July 2004
We study the feedback between heating and cooling of the intracluster medium (ICM) in cooling flow (CF) galaxies and clusters. We adopt the popular view that the heating is due to an active galactic…
Chandra X-Ray Observatory Detection of Extended X-Ray Emission from the Planetary Nebula BD +30°3639
- J. Kastner, N. Soker, S. Vrtilek, R. Dgani
- Physics
- 9 October 2000
We report the detection of well-resolved, extended X-ray emission from the young planetary nebula BD +30°3639 using the Advanced CCD Imaging Spectrometer (ACIS) aboard the Chandra X-ray Observatory.…
Asymmetric envelope expansion of supernova 1987A
- R. Chevalier, N. Soker
- Physics
- 1 June 1989
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 densite…
Transient outburst events from tidally disrupted asteroids near white dwarfs
- Ealeal Bear, N. Soker
- Physics, Geology
- 13 March 2012
Main-Sequence Stellar Eruption Model for V838 Monocerotis
- N. Soker, R. Tylenda
- Physics
- 21 October 2002
We propose that the energy source of the outburst of V838 Mon and similar objects is an accretion event, i.e., gravitational energy rather than thermonuclear runaway. We show that the merger of two…
Can Planets Influence the Horizontal Branch Morphology?
- N. Soker
- Physics, Geology
- 19 March 1998
I examine the influence of planets on the location of stars on the Hertzsprung-Russel diagram as the stars turn to the horizontal branch. As stars that have planetary systems evolve along the red…
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 both…
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