Images and line profiles from nonadiabatic jet models

Details Images and line profiles from nonadiabatic jet models Images and line profiles from nonadiabatic jet models

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991rmxaa..22..243r&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica (ISSN 0185-1101), vol. 22, Oct. 1991, p. 243-248. Research supported by NSERC and U

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5

Astronomical Models, Herbig-Haro Objects, Jet Flow, Line Spectra, Stellar Mass Ejection, Emission Spectra, H Alpha Line, Hydrodynamics

Scientific paper

The emission-line spectrum observed in jet-like Herbig-Haro objects could be excited by internal 'crossing shocks' in a nonadiabatic jet flow. This possibility by presenting predictions of H alpha and forbidden S II images and position-velocity diagrams is explored from nonadiabatic steady jet models. While these models do predict some of the observed characteristics of stellar jets, they fail to reproduce in detail the observational results. This suggests that other excitation mechanisms might also be important in stellar jets.

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