Polarimetry of infrared sources in bipolar CO flows

Details Polarimetry of infrared sources in bipolar CO flows Polarimetry of infrared sources in bipolar CO flows

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...291..708s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 291, April 15, 1985, p. 708-715.

Astronomy and Astrophysics

Astronomy

70

Carbon Monoxide, Gas Flow, Infrared Astronomy, Molecular Clouds, Polarimetry, Radio Sources (Astronomy), Bipolarity, Linear Polarization, Nebulae, Optical Polarization

Scientific paper

The results of polarimetry at 2.3 microns for nine infrared sources associated with high-velocity molecular outflow are reported. All the sources show large linear polarization ranging from 4 percent to more than 20 percent. The position angles of infrared polarization are perpendicular to the direction of bipolar molecular outflow and are parallel to the major axis of the associated molecular disk/torus. A possible mechanism for the polarization is scattering by anisotropic dust clouds surrounding the infrared sources. The infrared polarizations have a tendency to be orthogonal to the optical interstellar polarizations in the vicinity of the sources.

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