Observations of Shocked [FEII] and H2 Line Profiles in Orion Bullet Wakes

Tedds, Jonathan A.; Brand, Peter W. J. L.; Burton, Michael G.; Chrysostomou, Antonio; Fernandes, Amadeu J. L.

doi:10.1007/978-94-011-0147-9_25

Jonathan A. Tedds¹,
Peter W. J. L. Brand¹,
Michael G. Burton²,
Antonio Chrysostomou³ &
…
Amadeu J. L. Fernandes⁴

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Abstract

Recent near-IR imaging of the Orion molecular cloud has revealed a complex of dense bullets, visible as [Fell] 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 [Fell] 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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Authors and Affiliations

Institute for Astronomy, University of Edinburgh, EH9 3HJ, UK
Jonathan A. Tedds & Peter W. J. L. Brand
School of Physics, University of New South Wales, Australia
Michael G. Burton
Division of Physical Sciences, University of Hertfordshire, UK
Antonio Chrysostomou
Centro de Astrofisica, Universidade do Porto, Portugal
Amadeu J. L. Fernandes

Authors

Jonathan A. Tedds
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Peter W. J. L. Brand
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Michael G. Burton
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Antonio Chrysostomou
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Amadeu J. L. Fernandes
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G. D. Watt P. M. Williams

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Tedds, J.A., Brand, P.W.J.L., Burton, M.G., Chrysostomou, A., Fernandes, A.J.L. (1995). Observations of Shocked [FEII] and H₂ Line Profiles in Orion Bullet Wakes. In: Watt, G.D., Williams, P.M. (eds) Circumstellar Matter 1994. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0147-9_25

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DOI: https://doi.org/10.1007/978-94-011-0147-9_25
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-4066-2
Online ISBN: 978-94-011-0147-9
eBook Packages: Springer Book Archive

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