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Table 3
Observing log and results of polarimetric observations of Iapetus’ leading side.
| Date & time (UT) | |||||||
| (yyyy mm dd) (hh:mm) | Program ID | Exp. (s) | α (°) | Filter |  (%) |
 (%) |
Ob-lon & lat (°) |
|
|
|||||||
| 2009-05-17 01:05-01:30 | 383.C-0058(A) | 1040 | 5.84 | B | −1.28 ± 0.04 | 0.00 ± 0.04 | 106.90, 5.74 |
| V | −1.33 ± 0.03 | 0.00 ± 0.03 | |||||
| R | −1.37 ± 0.03 | −0.01 ± 0.03 | |||||
| I | −1.40 ± 0.04 | −0.01 ± 0.04 | |||||
| 2010-03-25 02:20-02:39 | 384.C-0040(A) | 640 | 0.49 | B | −0.46 ± 0.05 | 0.05 ± 0.04 | 70.45, 9.66 |
| V | −0.47 ± 0.03 | 0.02 ± 0.03 | |||||
| R | −0.48 ± 0.05 | 0.00 ± 0.03 | |||||
| I | −0.47 ± 0.04 | −0.03 ± 0.04 | |||||
| 2010-06-10 01:56-02:37 | 385.C-0052(A) | 800 | 6.0 | B | −1.14 ± 0.06 | −0.03 ± 0.07 | 59.61, 9.07 |
| V | −1.19 ± 0.04 | −0.05 ± 0.06 | |||||
| R | −1.23 ± 0.04 | −0.06 ± 0.06 | |||||
| I | −1.28 ± 0.05 | −0.06 ± 0.07 | |||||
| 2011-02-12 04:32-04:57 | 087.C-0058 (A) | 320 | 4.78 | B | −1.24 ± 0.09 | 0.04 ± 0.10 | 81.93, 13.00 |
| V | −1.23 ± 0.06 | 0.05 ± 0.07 | |||||
| R | −1.27 ± 0.06 | 0.03 ± 0.07 | |||||
| I | −1.27 ± 0.07 | 0.06 ± 0.08 | |||||
| 2012-01-02 07:48-08:04 | 088.C-0019 (A) | 400 | 5.58 | B | −1.14 ± 0.09 | 0.02 ± 0.09 | 103.46, 14.88 |
| V | −1.21 ± 0.06 | 0.05 ± 0.06 | |||||
| R | −1.23 ± 0.07 | 0.03 ± 0.07 | |||||
| I | −1.26 ± 0.08 | 0.02 ± 0.08 | |||||
Notes. Ob-lon & lat refers to the longitude and the latitude of the sub-Earth point, α is the phase angle, while and indicate the measured Stokes parameters with respect to the scattering plane.
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