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Table 1
Comet and meteoroid characteristics considered by the model.
| Comet parameter | Choice | Reference |
|---|---|---|
| Shape | Spherical | |
| Radius | 5.5 km | Lamy et al. (2004) |
| Density | 0.3 g cm−3 | Rickman (1986) |
| Albedo | 0.04 | Hughes (1987a) |
| Active surface | 10% | Keller et al. (1987) |
| Active below | 6 AU | Whipple (1987) |
| Variation index γ1, γ2 | 2.97, 0.99 | |
| Particle parameter | Choice | Reference |
| Shape | Spherical | |
| Size | 10−4 to 10−1 m | |
| Density | 0.3 g cm−3 | Krasnopolsky et al. (1987) |
| Ejection velocity model | “CNC” model | Crifo & Rodionov (1997) |
| Ejection rate | Each day | |
| Nparticles/apparition | 95 000 | |
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