Polarimetry from 1 to 5 microns of compact infrared sources

Details Polarimetry from 1 to 5 microns of compact infrared sources Polarimetry from 1 to 5 microns of compact infrared sources

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981aj.....86.1076h&link_type=abstract

Astronomical Journal, vol. 86, July 1981, p. 1076-1083. Research supported by the University of New Mexico.

Astronomy and Astrophysics

Astronomy

40

Infrared Astronomy, Near Infrared Radiation, Polarimetry, Polarized Radiation, Radiation Sources, Cosmic Dust, Electromagnetic Scattering, Hydrogen Clouds, Interstellar Magnetic Fields, Linear Polarization, Molecular Clouds, Stellar Evolution

Scientific paper

Near-infrared (1-5 micron) polarimetry data for 38 compact infrared sources are presented, mostly in regions of massive star formation. For 17 of these sources, multicolor polarimetry is given. A statistical argument to show that there are two distinctly different mechanisms causing the polarization in the sources in this collection is made. One possible mechanism is grain alignment by the interstellar magnetic field; the other is anisotropic scattering off a nonspherical dust cloud surrounding the infrared source.

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