Table 1. The results of aperture observations of linear polarization for comet C/2009 P1 (Garradd).
From: Linear and circular polarization of comet C/2009 P1 (Garradd)
Date, UT 20011/2012 | Pr ± σ P % | θ±σ θ deg | Area km | ϕ deg | α deg | r AU | Δ AU | Filter |
|---|---|---|---|---|---|---|---|---|
July 29.048 | −2.21 ± 0.23 | 37.6 ± 2.9 | 17232 | 211.6 | 13.70 | 2.482 | 1.584 | WR |
Aug 29.975 | −0.27 ± 0.10 | 110.8 ± 10.7 | 15274 | 120.5 | 20.91 | 2.188 | 1.404 | WR |
Sep 26.786 | 2.37 ± 0.08 | 0.7 ± 1.0 | 17929 | 89.3 | 30.87 | 1.954 | 1.648 | R |
Sep 28.825 | 2.65 ± 0.25 | 176.4 ± 2.7 153.4 ± 3.2 | 18179 | 87.6 | 31.14 | 1.938 | 1.671 | R |
Oct 26.729 | 2.51 ± 0.28 | 153.4 ± 3.2 | 21432 | 64.1 | 30.28 | 1.741 | 1.970 | R |
Mar 24.924 | 1.67 ± 0.13 | 58.6 ± 2.3 | 15296 | 147.1 | 28.02 | 1.988 | 1.406 | WR |
Apr 22.813 | 1.60 ± 0.17 | 13.0 ± 3.1 | 21606 | 107.7 | 26.71 | 2.237 | 1.986 | WR |