4 papers · 1 filter
The evolution of helium white dwarfs: III. On the ages of millisecond pulsar systems
D. Schoenberner, T. Driebe, T. Bloecker
We employed recently computed evolutionary white-dwarf models with helium cores, supplemented by heavier models with carbon-oxygen cores, in order to investigate the ages of millis…
On the Transition from AGB Stars to Planetaries: The Spherical Case
Detlef Schoenberner, Matthias Steffen
We discuss the basic physical model and the relevant processes responsible for creating and shaping planetary nebulae out of a cool AGB wind envelope. We show that a hydrodynamical…
Evolutionary Models of White Dwarfs with Helium Cores
T. Driebe, D. Schoenberner, T. Bloecker +1
We present seven evolutionary tracks for low-mass white dwarfs with helium cores, ranging in mass from 0.179 to 0.414 Msol. We generated the pre-white dwarf models from a 1 Msol se…
On the validity of the core-mass luminosity relation for TP-AGB stars with efficient dredge-up
F. Herwig, D. Schoenberner, T. Bloecker
We investigate the validity of the core mass - luminosity relation (CMLR), originally described by Paczynski (1970), for asymptotic giant branch stars under the presence of third d…