Computer Science
Scientific paper
Sep 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981stin...8210967b&link_type=abstract
Unknown
Computer Science
Emission Spectra, Hydrogen, Line Spectra, Molecular Spectra, Orion Nebula, Spectral Resolution, Molecular Rotation, Spatial Resolution, Spectral Line Width
Scientific paper
The pure rotational S(2) line of molecular hydrogen at 12.28 microns was looked for in 44 positions in the Orion moleular cloud with 6 in. beams and 35 km/s spectral resolution; it was detected in 27 positions. Emission was observed over a velocity range of + or - 100 km/s. The lines are approximately symmetric, and have full widths at half maximum ranging from 100 km/s down to the resolution limit. The distribution of intensities and line shapes is largely consistent with that seen in the 2 micron hydrogen transitions. However, unexpectedly complex line profiles and point-to-point variations in linear shapes appear, particularly in the region near IRc9.
Beck Sara C.
Bloemhof Eric E.
Lacy John H.
Serabyn Eugen
Smith Harold A.
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