A lambda = 1.3 millimeter Aperture Synthesis Molecular Line Survey of Orion Kleinmann-Low

Details A lambda = 1.3 millimeter Aperture Synthesis Molecular Line Survey of Orion Kleinmann-Low A lambda = 1.3 millimeter Aperture Synthesis Molecular Line Survey of Orion Kleinmann-Low

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apj...472l..49b&link_type=abstract

Astrophysical Journal Letters v.472, p.L49

Astronomy and Astrophysics

Astronomy

81

Ism: Individual Name: Orion Kleinmann-Low, Radio Lines: Ism, Techniques: Interferometric

Scientific paper

We present a 1."3 spatial resolution interferometric spectral line survey of the core of the Orion molecular cloud, obtained with the OVRO millimeter array. Covering 4 GHz bandwidth in total, the survey contains ~100 emission lines from 18 chemical species. The spatial distributions of a number of molecules point to source I near the IRc2 complex as the dominant energy source in the region but do not rule out the presence of additional lower luminosity objects. At arcsecond resolution, the offsets between dust emission and various molecular tracers suggest that the spectacular "hot core" emission in the Orion core arises via the heating and ablation of material from the surfaces of very high density clumps located >~500 AU from source I and traced by the dust emission. We find no evidence for a strong internal heating source within the hot core condensation(s).

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