Proper Motions Of The OMC-1 H2 Fingers: First Results Of A Multi-epoch Study

Details Proper Motions Of The OMC-1 H2 Fingers: First Results Of A Multi-epoch Study Proper Motions Of The OMC-1 H2 Fingers: First Results Of A Multi-epoch Study

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.6206s&link_type=abstract

American Astronomical Society, AAS Meeting #211, #62.06; Bulletin of the American Astronomical Society, Vol. 39, p.848

Astronomy and Astrophysics

Astronomy

Scientific paper

We present new HST NICMOS images of the molecular hydrogen outflow in the Orion BN-KL region. This outflow has taken the form of a spectacular array of "fingers", which appear to radiate from a central location. The source is thought to be a massive young star which has yet to be identified in this confused region of known and suspected embedded sources. None of the known sources seems to be sufficiently luminous to have powered the molecular hydrogen outflow. We compare the new images with our previous images of this region in three separate epochs, covering a total baseline of eight years. We discuss the proper motions of the fingers and their age, and seek to trace their movements back to the source(s) of the outflow(s).

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