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Table 3:

Polarization in percent as a function of aperture diameterc.
Date D 3000 6000 12 000 24 000
2008-2009 Filters (km) (km) (km) (km)
December          
25.60 CR 4.0 $\pm$ 0.7 4.5 $\pm$ 0.4 4.5 $\pm$ 0.5 S/N
26.62 CR 4.1 $\pm$ 0.8 4.8 $\pm$ 0.5 4.8 $\pm$ 0.8 S/N
27.59 CR 4.2 $\pm$ 0.3 4.4 $\pm$ 0.3 4.4 $\pm$ 0.3 S/N
27.59 CB 4.4 $\pm$ 0.5 4.5 $\pm$ 0.5 4.5 $\pm$ 0.5 S/N
27.63 $R_{\rm b}$ 4.5 $\pm$ 0.3 4.4 $\pm$ 0.5 3.9 $\pm$ 0.5 3.8 $\pm$ 0.8
March          
17.81 R 5.2 $\pm$ 1.0 5.1 $\pm$ 0.3 5.6 $\pm$ 0.4 5.8 $\pm$ 0.5
18.78 R 6.3 $\pm$ 0.9 4.9 $\pm$ 0.3 5.2 $\pm$ 0.3 5.2 $\pm$ 0.3
19.80 R 5.9 $\pm$ 1.1 5.8 $\pm$ 0.5 5.6 $\pm$ 0.3 5.4 $\pm$ 0.3
April-May          
30.60 $R_{\rm b}$ 2.7 $\pm$ 0.8 2.5 $\pm$ 0.8 2.5 $\pm$ 1.1 S/N
01.70 $R_{\rm b}$ 2.5 $\pm$ 0.5 2.3 $\pm$ 0.5 2.3 $\pm$ 0.8 Star trails

Notes. (c) D = projected diameter. Filters: see Table 1 caption. S/N: signal over noise ratio $\leq$3. Star trails in the cometary coma. In the error bars, systematic errors (subtraction of the background, error bars on the standard stars) are included.


Source LaTeX | All tables | In the text

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