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Gas-Dynamical Effects of Star Formation
Published online by Cambridge University Press: 03 August 2017
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At the Second Symposium, various contributors discussed the possibility that star formation might provide the energy to maintain the motion field in the interstellar medium. Although Oort and Spitzer emphasized the importance of the recoil momentum produced by the gradual ionization of the surrounding gas, the important effect appears to be the gas pressure itself when the ionized region is enclosed by the surrounding gas. Indeed, Kahn has shown (for one-dimensional flow into a vacuum) that the recoil momentum is inefficient in producing mass motion; only a limited range in photon fluxes result in acceleration of neutral hydrogen.
- Type
- Part VI: Conditions at the Ionization and Shock Fronts in Collisions of Gas Clouds
- Information
- Symposium - International Astronomical Union , Volume 8: Cosmical Gas Dynamics , July 1958 , pp. 1073 - 1074
- Copyright
- Copyright © American Physical Society 1958
References
1 Oort, J. H. and Spitzer, L., Astrophys. J. 121, 6 (1955).CrossRefGoogle Scholar
2 Kahn, F. D., Bull. Astron. Soc. Neth. 12, 187 (1954).Google Scholar
3 Schlüter, A. and Biermann, L., Gas Dynamics of Cosmic Clouds , edited by van de Hulst, H. C. and Burgers, J. M. (North Holland Publishing Company, Amsterdam, the Netherlands, 1955), p. 144.Google Scholar
4 Schatzman, E. and Kahn, F. D., reference 3, p. 163.Google Scholar
5 Savedoff, M. P. and Greene, J., Astrophys. J. 122, 477 (1955).CrossRefGoogle Scholar
6 Savedoff, M. P., Astrophys. J. 124, 533 (1956).Google Scholar
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