Near-infrared high-resolution mapping of CL II forbidden lines and Fe II forbidden lines in the Orion Nebula

Details Near-infrared high-resolution mapping of CL II forbidden lines and Fe II forbidden lines in the Orion Nebula Near-infrared high-resolution mapping of CL II forbidden lines and Fe II forbidden lines in the Orion Nebula

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...236..498c&link_type=abstract

Astrophysical Journal, Part 1, vol. 236, Mar. 1, 1980, p. 498-507.

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5

Abundance, Astronomical Maps, Forbidden Bands, Interstellar Chemistry, Line Spectra, Near Infrared Radiation, Orion Nebula, Chlorine, High Resolution, Infrared Spectra, Iron

Scientific paper

High-resolution photometric observations of the Cl II forbidden lines at 8579.5 A and the Fe II forbidden lines at 8617 A were made across the Orion Nebula. The Fe abundance (equal to 9 x 10 to the -7th, assuming an electron temperature (Te) of 9000 K) is found to be a factor of 35 lower than in the sun, and a factor of 3.6 larger than in the interstellar medium. The mean Cl abundance (6 x 10 to the -8th, also for a 9000 K Te) is about two times lower than that found by other authors.

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