The Supernova Trigger Revisited: Numerical Simulations

Details The Supernova Trigger Revisited: Numerical Simulations The Supernova Trigger Revisited: Numerical Simulations

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27.1357v&link_type=abstract

Lunar and Planetary Science, volume 27, page 1357

Physics

3

Formations: Solar System, Formations: Star, Hydrodynamics: Smoothed Particle, Simulations: Numerical, Supernova Trigger

Scientific paper

Numerical simulations must be used to test the viability of the revived supernova trigger hypothesis as discussed by Cameron. Conventional hydrodynamic simulations performed by Boss and Foster have shown the mechanism to be capable of causing a molecular cloud core to collapse when the shock velocities are in the range of 10 to 25 km/s, at least in the case where there is a constant adiabatic exponent gamma = 4/3 which is collapse neutral but unrealistic. In the current work the shock mechanism is further examined by using the Smoothed Particle Hydrodynamics (SPH) method to study the impact of an interstellar shock wave upon a molecular cloud core. The questions specifically addressed are: Under what conditions the shock will cause the core to collapse, and can the radioactivities carried by the flow be injected into the core?

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