Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...257l..37s&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 257, June 1, 1982, p. L37-L40.
Astronomy and Astrophysics
Astrophysics
27
Carbon Monoxide, Electron States, Gas Temperature, Interstellar Gas, Optical Transition, Orion Nebula, Submillimeter Waves, Abundance, Electron Energy, Electron Transitions, Hydrogen, Interferometry, Oxygen
Scientific paper
Observations of the Kleinmann-Low Nebula in Orion detected the J = 17-J = 16 transition of CO at 153 microns and at a flux level of 7 x 10 to the -17th W/sq cm. The total mass of hot (not less than about 750 K) carbon monoxide in the nebula is estimated at 8 x 10 to the 30th g, and the total hydrogen mass at this temperature is assessed to be about 1.5 solar masses. A CO column density of about 4 x 10 to the 17th per sq cm is derived for the region, which agrees with those predictions made by Storey et al. (1981), and an apparent deficit of oxygen in the nebula is discussed.
Harwit Martin
Kurtz Nathan T.
Melnick G. G.
Russell Ray W.
Smyers S. D.
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