Observations of shocked [FeII] and H2 line profiles in orion bullet wakes

Details Observations of shocked [FeII] and H2 line profiles in orion bullet wakes Observations of shocked [FeII] and H2 line profiles in orion bullet wakes

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.224..139t&link_type=abstract

Astrophysics and Space Science, Volume 224, Issue 1-2, pp. 139-142

Astronomy and Astrophysics

Astrophysics

6

Scientific paper

Recent near-IR imaging of the Orion molecular cloud has revealed a complex of dense bullets, visible as [FeII] emitting HH-objects at the tips of H2 wakes, ejected explosively from the cloud core. Having resolved individual bow-shock structures for the first time in this bright source, we have observed [FeII] 1.644µm velocity profiles of selected bullets and H2 1-0 S(1), 2.122µm velocity profiles for a series of positions along and across the corresponding bow-shock wakes. We present observed profiles for the bullet M42 HH1 and its associated wake and compare with theoretical bow-shock models.

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