2 papers
astro-ph1995
Breaking the sound barrier in recombination fronts
R. J. R. Williams, J. E. Dyson
We exploit a generic instability in the integration of steady, sonic, near-isothermal flows to find the complete transition diagram for recombination fronts (for a model system of…
astro-ph1995
Clumpy Ultracompact HII Regions I: Fully Supersonic Wind-blown Models
J. E. Dyson, R. J. R. Williams, M. P. Redman
We propose that a significant fraction of the ultracompact HII regions found in massive star-forming clouds are the result of the interaction of the wind and ionizing radiation fro…