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MASCHE

EuroGenesis Coordinated Research Project "Massive Stars as Agents of Chemical Evolution"
MASCHE Project Info:
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Science Scope:

ISMDuring the evolution of galaxies, massive stars are key agents: Their ejection of material and energy drives the state and isotopic composition of the interstellar medium as it evolves. The physics of stars and that of galaxies are intimately connected through the role of massive stars. This includes nuclear reactions in stellar interiors and explosions, the resulting structure of the stellar interior, the dynamics of their core collapse, ejected gas and its isotopic composition, and the mixing of such ejecta with the ambient interstellar gas.
Within this project, we aim at detailed modeling of the underlying astrophysical processes inside and around massive stars, ensuring that such models are consistent with the variety of observational constraints. We will consolidate the theoretical treatments and foundations at the various levels in laboratory experiments, and in detailed observations of (massive) stars and their surroundings.

The Project

Within the ESF EuroGenesis Program, a Team of European research institutes investigates this science topic and its different aspects as a Coordinated Research Project (CRP) during 2010-2012. Project Leader is Friedrich-Karl Thielemann (Uni Basel, CH), co-leader/deputy is Roland Diehl (MPE Garching, D).The Collaboration includes:
  • Switzerland/Basel (Thielemann(Project Leader)):
    • Nuclear-reaction theory
    • supernova models
    • explosive nucleosynthesis
  • Germany/Garching (Diehl(Co-Project Leader)):
    • Observation of isotopic abundances in ISM and young SNR in X- and gamma-rays (MPE)
    • Core-collapse supernova models (MPA)
  • Hungary/Debrecen (Fulop), and Turkey/Kocaeli (Guray):
    • Nuclear reactions in Lab
  • Sweden/Stockholm (Fransson):
    • Observations of photospheric stellar abundances and of supernova light curves and spectra
  • Germany/GSI Darmstadt (Martinez-Pinedo):
    • Weak interaction reactions
    • Heavy-ion reactions
    • Equation of state of neutron star matter during and after collapse
  • Italy/Rome (Chieffi):
    • Models for massive star structure and its evolution
  • United Kingdom/Keele (Hirschi):
    • Models for massive star structure and its evolution
  • Italy/Trieste (Matteucci), France/Paris (Prantzos):
    • Chemical evolution models of the Galaxy
  • Germany/various:
    • ESO Garching (Primas, Comeron)
    • TU Berlin (Breitschwerdt)
    • TU München & Excellence Cluster Universe (Bishop)
last edited 27Jul2010 by Roland Diehl