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Table 1

The mass which sticks on a target (mstick) and the mass, which is launched toward the target (mtotal) at a given impact velocity.

v [m/s] mstick [mg] mtotal [mg] ϵ [%] σ [%]

27.9 10 20 50.0 8.1
6 9 66.7 13.9
5 8 62.5 15.6
11 16 68.8 10.8
7 14 50.0 9.8
4 7 57.1 16.2

38.7 18 56 32.1 2.4
8 28 28.6 4.0
10 25 40.0 4.7
18 37 48.6 3.8
12 33 36.4 3.6
15 37 40.5 3.7

49.5 43 133 32.3 1.4
39 101 38.6 1.7
32 104 30.8 1.5
64 181 35.4 1.4
44 103 42.7 1.8
64 164 39.0 1.5

71.2 52 547 9.5 0.7
67 229 29.3 2.0
61 258 23.6 1.5
59 318 18.6 1.3
41 235 17.4 1.2
7 51 13.7 2.2

Notes.The ratio of mstick and mtotal gives the accretion efficiency ϵ. The parameter σ is the error due to mass determination and calibration. The average value of impacting masses was 0.29 μg.

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