University of Hertfordshire

The Physics of Shocked Outflows In Star Forming Molecular Clouds

Research output: Chapter in Book/Report/Conference proceedingConference contribution


  • J.A. Tedds
  • P.W.J.L. Brand
  • M. Burton
  • A. Chrysostomou
  • A.J.L. Fernandes
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Original languageEnglish
Title of host publicationIn: Procs of Clouds, Cores, and Low Mass Stars - ASP Conf Series 65
PublisherAstronomical Society of the Pacific
ISBN (Print)978-1-58381-401-7, 0-937707-84-8
Publication statusPublished - 1994


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] 1.644um velocity profiles of selected bullets and H2 1-0 S(1), 2.122um 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.


Original paper can be found at: Copyright ASP

ID: 174884