Photoevaporation of Disks and Clumps by Nearby Massive Stars: Application to Disk Destruction in the Orion Nebula

@inproceedings{Johnstone2007PhotoevaporationOD,
  title={Photoevaporation of Disks and Clumps by Nearby Massive Stars: Application to Disk Destruction in the Orion Nebula},
  author={Doug Johnstone and David J. Hollenbach and John Bally},
  year={2007}
}
We present a model for the photoevaporation of circumstellar disks or dense clumps of gas by an external source of ultraviolet radiation. Our model includes the thermal and dynamic e†ects of 6È13.6 eV far-ultraviolet (FUV) photons and Lyman continuum EUV photons incident upon disks or clumps idealized as spheres of radius and enclosed mass For sufficiently large values of the radiation r d M * . r d /M * , Ðeld evaporates the surface gas and dust. Analytical and numerical approximations to the… CONTINUE READING

References

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Interplanetary Dynamical Processes (New York

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