An optical polarization study of the nebulosity associated with OH231.8 + 4.2

Details An optical polarization study of the nebulosity associated with OH231.8 + 4.2 An optical polarization study of the nebulosity associated with OH231.8 + 4.2

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.243..462s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 243, April 1, 1990, p. 462-467.

Astronomy and Astrophysics

Astronomy

10

Hydroxyl Emission, Infrared Sources (Astronomy), Interstellar Masers, Optical Polarization, Reflection Nebulae, Charge Coupled Devices, Cosmic Dust, Herbig-Haro Objects, Planetary Nebulae, Stellar Spectrophotometry, Water Masers

Scientific paper

An optical polarization map of the bipolar nebulosity associated with the evolved star OH231.8 + 4.2 shows that this source is the illuminator of filaments of reflection nebulosity confined to the axial regions of the nebula. The high level of polarization observed (about 40 percent) indicates that the dust grains reflecting the central starlight are much smaller than those in the ISM.

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