Polarization due to dust scattering in the planetary nebula Cn1-1.

Details Polarization due to dust scattering in the planetary nebula Cn1-1. Polarization due to dust scattering in the planetary nebula Cn1-1.

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989iaus..135p.531b&link_type=abstract

IAU Symposium No. 135: Interstellar dust: contributed papers, p. 531 - 532

Computer Science

Planetary Nebulae: Polarization

Scientific paper

Polarization measurements of Cn1-1 have been made recently by Schulte-Ladbeck and Magalhaes (1987). A high degree of linear polarization (≡3%) was observed. However, they regarded Cn1-1 as a symbiotic star and considered the observed polarization to be of purely interstellar origin. The author argues here that the polarization is intrinsic to Cn1-1 and is due to scattering by large (compared to the interstellar) dust grains in the protoplanetary nebula asymmetrically (bipolar?) distributed around the central star.

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