The 0 deg (63 micron) line emission from galactic high latitude cirrus clouds

Details The 0 deg (63 micron) line emission from galactic high latitude cirrus clouds The 0 deg (63 micron) line emission from galactic high latitude cirrus clouds

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990liaco..29..275s&link_type=abstract

In ESA, From Ground-Based to Space-Borne Sub-mm Astronomy p 275-278 (SEE N91-21986 13-89)

Astronomy and Astrophysics

Astronomy

Cirrus Clouds, Cosmic Dust, Emission Spectra, Infrared Astronomy Satellite, Infrared Spectra, Line Spectra, Cirrus Shields, Emissivity, Flux Density, Galactic Evolution, Galactic Structure, Oxygen

Scientific paper

The IRAS 60 and 100 micrometer flux from cirrus clouds is commonly explained by dust continuum emission. This explanation is criticized as it requires unexpectedly high dust temperatures in some cases. It is argued that the contribution of fine stucture emission of neutral oxygen (63 microns), can be significant in the IRAS (Infrared Astronomy Satellite) 60 micron band. The neutral oxygen line emission together with the dust continuum emission offers a plausible explanation of the observed flux ratio as well as of its variation across individual clouds.

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