Improved bow shock models for Herbig-Haro objects - Application to HH 2A-prime

Details Improved bow shock models for Herbig-Haro objects - Application to HH 2A-prime Improved bow shock models for Herbig-Haro objects - Application to HH 2A-prime

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...326..323r&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 326, March 1, 1988, p. 323-333.

Astronomy and Astrophysics

Astrophysics

42

Astronomical Models, Herbig-Haro Objects, Pre-Main Sequence Stars, Ultraviolet Spectra, Bow Waves, Iue, Shock Waves, Spectral Line Width

Scientific paper

An improved version of the bow shock theory previously applied to Herbig-Haro objects is presented. The modifications provide a more accurate calculation of the ionization state of material entering the bow shock. The revised preionization does not drastically affect the emission-line predictions for a 200 km/s bow shock model, though the effects will be more severe for slower shock velocities. The line profiles of the new models resemble the observed profiles somewhat more closely, and the relative emission-line intensities typically differ by 30 percent from those predicted by the older models. The models agree well with new IUE spectra and existing optical data for HH 2A-prime.

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