Open Access
Table 4
Dust coma properties.
| Date | rH | α | Afρa | Afρb | Slope(-m) | ||
| (AU) | (deg) | (cm) | (cm) | (3.3 ≤ log ρ ≤ 4.5) | (3.3 ≤ log ρ ≤ 4.0) | (4.0 ≤ log ρ ≤ 4.5) | |
|
|
|||||||
| 2004 (ESO) | |||||||
| May 1 | 2.53 | 22.3 | 1.71c, 1.31d | 1.62c, 1.40d | 1.47c, 0.98d | ||
| June 16 | 3.81 | 1.85 | 1.74c, 1.07d | 1.71c, 1.22d | 1.99c, 1.01d | ||
|
|
|||||||
| 2010 (Lulin) | |||||||
| January 14 | 1.64 | 35.5 | 868.4 | 782.8 | 2.08c; 1.02d | 1.27c; 1.08d | 3.38c; 0.99d |
| January 15 | 1.64 | 35.4 | 566.3 | 538.1 | 1.38c; 0.99d | 1.29c; 1.05d | 1.55c; 0.97d |
| January 16 | 1.64 | 35.4 | 566.2 | 534.8 | 1.34c; 0.99d | 1.26c; 1.03d | 1.51c; 0.95d |
| January 17 | 1.64 | 35.4 | 613.3 | 573.1 | 1.37c; 0.98d | 1.34c; 1.04d | 1.46c; 0.96d |
| January 18 | 1.64 | 35.3 | 608.3 | 570.9 | 1.38c; 1.04d | 1.21c; 1.10d | 1.63c; 0.97d |
| February 26 | 1.60 | 28.7 | 1.21c; 1.04d | 1.13c; 1.13d | 1.46c; 0.99d | ||
| April 7 | 1.66 | 10.3 | 1.13c; 1.17d | 1.20c; 1.14d | 1.24c; 1.22d | ||
| April 24 | 1.71 | 4.8 | 604.2 | 531.6 | 1.23c; 1.23d | 1.27c; 1.19d | 1.13c; 1.27d |
| May 4 | 1.74 | 8.7 | 569.9 | 532.0 | 1.06c; 1.19d | 1.10c; 1.13d | 1.01c; 1.27d |
| May 20 | 1.81 | 16.1 | 1.12c; 1.16d | 1.17c; 1.09d | 1.02c; 1.28d | ||
| May 31 | 1.86 | 20.1 | 1.09c; 1.17d | 1.17c; 1.10d | 1.03c; 1.30d | ||
| August 1 | 2.19 | 27.3 | 192.3 | 195.0 | 1.09c; 1.18d | 1.23c; 1.10d | 1.01c; 1.42d |
Notes. Afρ values are derived for a photometric circular aperture. Errors estimated here are 5% for the Afρ and 4% in slopes, respectively.
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