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HH 34: The bow shock of a jet

Published online by Cambridge University Press:  04 August 2017

Th. Bührke  and
R. Mundt
Th. Bührke
Affiliation:
Max-Planck-Institut für Astronomie, Königstuhl 17, D-6900 Heidelberg FRG
R. Mundt
Affiliation:
Max-Planck-Institut für Astronomie, Königstuhl 17, D-6900 Heidelberg FRG

Abstract

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Deep CCD imaging of HH 34 in H∝ shows that the HH-object has a bow shock-like structure, of which the wings can be traced over about 1 arcmin ( pc). A knotty jet is pointing towards the apex of the bow shock structure. Long-slit spectroscopy reveals that 1) the jet has approximately a constant radial velocity and electron density. 2). The spectrum of the jet is of a much lower excitation than that of HH 34. 3) HH 34 has a complex velocity and line excitation structure. The extended bow shock is interpreted by a jet of which the working surface is propagating with high velocity (≈ 200 km/s) through a partially ionized medium.

Type
Herbig-Haro Objects
Information
Symposium - International Astronomical Union , Volume 122: Circumstellar Matter , 1987 , pp. 175 - 176
Copyright
Copyright © Reidel 1987 

References

Bührke, Th. and Mundt, R. 1986, in prep.Google Scholar
Mundt, R., Brugel, E.W. and Bührke, Th. 1986, Ap. J., in press Google Scholar
Raga, 1985, Dissertation, Univ. of Washington Google Scholar
Reipurth, B. et al. 1986, Astron. Astrophys. 161, 51 Google Scholar