Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.202..859f&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 202, Mar. 1983, p. 859-865. Research supported by the Science and Engin
Astronomy and Astrophysics
Astronomy
17
Astronomical Spectroscopy, Forbidden Transitions, Infrared Astronomy, Infrared Spectra, Line Spectra, Orion Nebula, Oxygen Spectra, Balloon-Borne Instruments, Electron Density Profiles, Far Infrared Radiation, Nitrogen
Scientific paper
A high-resolution (0.05 cm-1) Michelson interferometer mounted on a balloon-borne telescope has been used to observe the far-infrared fine-structure lines of O III, O I and N III at several positions in M42. These measurements have been combined with existing data to produce maps of this region in the oxygen lines. A map of the electron density as derived from the ratio of the two [O III] lines is also presented. There are insufficient observations of the [N III] line to be able to produce a map but it is noted that this line appears unusually bright at several points around the edge of the nebula.
Emery Roger J.
Fitton B.
Furniss I.
Jennings R. E.
King Ken J.
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