On the infrared polarization of the Orion Nebula

Details On the infrared polarization of the Orion Nebula On the infrared polarization of the Orion Nebula

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...215..529d&link_type=abstract

Astrophysical Journal, Part 1, vol. 215, July 15, 1977, p. 529-532.

Astronomy and Astrophysics

Astronomy

31

Far Infrared Radiation, Infrared Astronomy, Nebulae, Polarization Characteristics, Infrared Spectra, Interstellar Extinction, Interstellar Magnetic Fields, Magnetic Effects

Scientific paper

The implications of the 10-micron polarization of the Orion Nebula are reexamined, and it is concluded that the polarization is produced by preferential extinction in one of the well-studied regions of the Kleinmann-Low nebula and/or its surroundings. In particular, the need for abnormally low temperatures (about 6 K) in the polarizing medium is obviated. The most likely candidate for the polarizing medium is the extended region surrounding the Kleinmann-Low nebula. The degree of polarization produced by emission in the far-infrared (around 100 microns) is estimated to be as large as 8%, although other factors could reduce the observable value.

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