Optical to mid-infrared polarimetry of OH 0739-14

Details Optical to mid-infrared polarimetry of OH 0739-14 Optical to mid-infrared polarimetry of OH 0739-14

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....95..873h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 95, March 1988, p. 873-878.

Astronomy and Astrophysics

Astronomy

6

Cosmic Dust, Hydroxyl Emission, Infrared Astronomy, Polarimetry, Stellar Coronas, Charge Coupled Devices, High Resolution, Late Stars, Near Infrared Radiation, Planetary Nebulae, Wave Scattering

Scientific paper

The authors present the first optical and mid-infrared polarimetry of OH 0739-14 (= OH 231.8+4.2) as well as optical photometry. They also confirm previous near-infrared polarimetry. The authors model the wavelength dependence of the polarization. A model using 0.05 μm silicate grains fits the data at optical and near-infrared wavelengths but does not do well at the 10 μm silicate feature. The model with 0.1 μm ice grains fits the data well except at the L band, which is near the 3.08 μm ice absorption feature. The source is most likely to contain a mixture of these two grain species.

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