Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...264..538k&link_type=abstract
Astrophysical Journal, Part 1, vol. 264, Jan. 15, 1983, p. 538-542. Research supported by the Aerospace Corp;
Astronomy and Astrophysics
Astronomy
16
Hydrogen Clouds, Infrared Astronomy, Nebulae, Radiative Recombination, Radio Astronomy, Astronomical Maps, Cloud Physics, Continuous Radiation, Cores, Fine Structure, Halos, Line Spectra, Recombination Reactions
Scientific paper
Portions of the nebula NGC 2024 were mapped in the 157 micron (C II) line. Results show the presence of a compact component centered on the radio-recombination line regions and a more extended nebulosity. It is found that the central component emits 157 micron line and continuum fluxes at a level of 4 x 10 to the -16th W/sq cm and 5 x 10 to the -16th W/sq cm (micron), respectively. The continuum emission drops off more rapidly with distance from the peak, although line emission is approximately 30% of the peak value at a distance 18 min to the SE of the peak. In addition, related observations were carried out on M42.
Harwit Martin
Kurtz Nathan T.
Melnick G. G.
Russell Ray W.
Smyers S. D.
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