Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...140l..31z&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 140, no. 2, Nov. 1984, p. L31-L34.
Astronomy and Astrophysics
Astronomy
30
Astronomical Maps, H Lines, Herbig-Haro Objects, Hydrogen, Infrared Astronomy, Astronomical Spectroscopy, Emission Spectra, Shock Waves
Scientific paper
The nu = 1-0 S(1), 2.12-micron emission line of molecular hydrogen in the region of HH7-11 has been mapped. The emission is present throughout the strikingly aligned complex, but ceases abruptly to the south and east of HH7. The emission peaks near HH7, with a secondary maximum in intensity near HH8. The present observations are compatible with current shock models of Herbig-Haro objects. The diffuse H2 emission, which is spatially extended, could arise in the turbulent mixing layer at the edge of the bipolar flow associated with SSV13. Similarly, the peaks in H2 emission may arise in a cocoon at the tip of the flow and within cloudlets entrained in the flow.
Sandell Goeran
Williams Peredur M.
Zealey William J.
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