Astronomy and Astrophysics – Astronomy
Scientific paper
May 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.6406r&link_type=abstract
American Astronomical Society, 198th AAS Meeting, #64.06; Bulletin of the American Astronomical Society, Vol. 33, p.883
Astronomy and Astrophysics
Astronomy
Scientific paper
Galactic jets present some of the most visually intriguing images encountered in modern astronomy. The protostellar jets which produce Herbig-Haro (HH) objects are collimated bipolar outflows thought to emerge from the central few stellar radii during the star formation process, and are characterized by Mach numbers and density radios (jet/ambient) >> 1. Radiative cooling can also be important. Experiments on the Omega, Gekko, and Nova lasers have shown that jets can be created and diagnosed in the laboratory at similar Mach numbers and density ratios, and in some cases with significant radiative cooling. [1-4] The potential for using experiments on high power lasers to investigate the dynamics relevant to HH jets will be discussed. *Work performed partially for the US DOE by UC LLNL under contract W-7405-Eng-48. 1. D.R. Farley et al., Phys. Rev. Lett. 83, 1982 (1999). 2. J. Foster et al., Bull. Am. Phys. Soc. 45, 197 (2000), paper JP1-30. 3. K. Shigemori et al., Phys. Rev. E 62, 8838 (2000). 4. J.M. Stone et al., Ap. J. Suppl. 127, 497 (2000).
Edwards Mary J.
Foster John M.
Perry Theodore S.
Remington Bruce A.
Rosen Paul A.
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