The polarization of the Galactic Centre at 2.2 micron

Details The polarization of the Galactic Centre at 2.2 micron The polarization of the Galactic Centre at 2.2 micron

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mnras.179p..73a&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 179, June 1977, p. 73P-76P. Research supported by the Science Research

Astronomy and Astrophysics

Astronomy

1

Cosmic Dust, Galactic Nuclei, Infrared Radiation, Interstellar Matter, Polarization Characteristics, Astronomical Models, Astronomical Spectroscopy, Interstellar Extinction, Optical Polarization

Scientific paper

The detection of linear polarization in the 2.2-micron radiation from the Galactic Centre is reported. The polarization amounts to 8.1 plus or minus 1.5 percent at a position angle of +12.5 plus or minus 7 deg. The position angle coincides with that observed for visible stars in the same region of sky. Polarization by aligned interstellar dust grains may account for the observation.

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