2 papers
astro-ph2004
Consistent Radiative Transfer Models including Time Dependent Energy Deposition for Type Ia Supernovae
P. Hultzsch, D. Sauer, A. W. A. Pauldrach +1
Many aspects of the explosion mechanism of Type Ia supernovae (SN Ia) still remain unclear -- causing uncertainties in the derived cosmological parameters. Realistic models of the…
astro-ph2001
Systematic Uncertainties in the Determination of the Primordial 4He Abundance
D. Sauer, K. Jedamzik
The primordial helium abundance Y_p is commonly inferred from abundance determinations in low-metallicity extragalactic HII-regions. Such determinations may be subject to systemati…