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Figure 1: Data reduction steps, intensity. Left column: images. Right column: plots of average of three central rows through comet (along fan). Rows: a) Raw image in filter 662. b) Raw image in filter 642. c) NH2. d) Dust derived from filter 662. e) Dust derived from filter 642. East is to the left, north is up. |
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Figure 2: Data reduction steps, polarization. Like Fig. 1, but instead of intensity the degree of polarization is shown. If the intensity (denominator) has fewer than 30 counts polarization data are considered invalid and the corresponding pixel is left blank. |
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Figure 3:
Degree of polarization of comet 2P/Encke in the red spectral range
obtained in different diaphragms as compared to two-atomic molecules
(Eq. (8), dotted line) and typical dusty comets (red spectral range,
Eq. (9), dashed line).
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