Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....95.1783r&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 95, June 1988, p. 1783-1793.
Astronomy and Astrophysics
Astronomy
54
Bow Waves, Emission Spectra, H Alpha Line, Herbig-Haro Objects, Line Spectra, Formyl Ions, Late Stars, Velocity Distribution
Scientific paper
The Herbig-Haro (H-H) object HH 1 shows a structure of flow-contrast condensations embedded in a more diffuse background. In a previous paper, it was suggested that it might be possible to explain this structure in terms of a time-dependent, radiating bow-shock model. The paper presents a more complete comparison between the predictions from these models and: (1) the observed proper motions (Herbig and Jones 1981), (2) monochromatic H-alpha and forbidden O III 5007 images, and (3) H-alpha position-velocity diagrams obtained for HH 1. This comparison shows that many of the observational characteristics of HH 1 can indeed be explained with models of a single, time-dependent, radiating bow shock. It appears that it would be more difficult to explain some of these observational results with models in which each condensation is assumed to represent a separate bow shock.
Bohm Karl-Heinz
Mateo Mario
Raga Alejandro C.
Solf Josef
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