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Extrasolar Trojan Planets close to Habitable Zones
R. Dvorak, E. Pilat-Lohinger, R. Schwarz +1
We investigate the stability regions of hypothetical terrestrial planets around the Lagrangian equilibrium points L4 and L5 in some specific extrasolar planetary systems. The probl…
The progenitor of the 'born-again' core V605 Aql and the relation to its younger twin V4334 Sgr
M. F. M. Lechner, S. Kimeswenger
We derived the properties of V605 Aql before the final helium flash pulse by studying its surrounding PN A58. Photoionizing models of our spectral data together with a new distance…
Metal Enrichment and Energetics of Galactic Winds in Galaxy Clusters
W. Kapferer, D. Breitschwerdt, W. Domainko +4
We investigate efficiency and time dependence of metal enrichment processes in the Intra-Cluster Medium (ICM). In this presentation we concentrate on the effects of galactic winds.…
New Variable Stars in Open Clusters I: Methods and Results for 20 Open Clusters
E. Paunzen, K. Zwintz, H. M. Maitzen +2
We present high precision CCD photometry of 1791 objects in 20 open clusters with an age from 10 Myr to 1 Gyr. These observations were performed within the Delta a photometric syst…