Computer Science
Scientific paper
May 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984nasa.reptq....t&link_type=abstract
Preprint Series 013 National Aeronautics and Space Administration. Ames Research Center, Moffett Field, CA.
Computer Science
Infrared Spectroscopy, Mapping, Molecular Spectroscopy, Signature Analysis, Stellar Mass, Stellar Spectra, Stellar Structure, Angular Resolution, Flux Density, High Resolution, Hydrocyanic Acid, Stellar Models, Sulfur Compounds
Scientific paper
Far infrared continuum and millimeter wave molecular observations are presented for the infrared and radio source NGC 2024. The measurements are obtained at relatively high angular resolution, enabling a description of the source energetics and mass distribution in greater detail than previously reported. The object appears to be dominated by a dense ridge of material, extended in the north/south direction and centered on the dark lane that is seen in visual photographs. Maps of the source using the high density molecules CS and HCN confirm this picture and allow a description of the core structure and molecular abundances. The radio molecular and infrared observations support the idea that an important exciting star in NGC 2024 has yet to be identified and is centered on the dense ridge about 1' south of the bright mid infrared source IRS 2. The data presented here allows a presentation of a model for the source.
Glaccum William
Harper Doyal A.
Lada Charles J.
Loewenstein Robert F.
Schwartz Phil R.
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