HST CELL SEM INVESTIGATION Work performed at ESTEC and TU Munich (Munich results are in italics) CELL ID Crater Front/ SEM search 500x Coordinates Area scanned Number Back Conchoidal diam. Pit diameter X Y with SEM elliptical Dco (µm) Dpit (µm) (cm) (cm) (cm2) SEM+optI Z5 D c6 22 8 1.05 1.78 2 4 out of 11 c7 10 3 2.5 1.74 c8 6x4 6x4 1.84 1.57 c9 4x3 4x3 3.85 1.57 c10 7.5x4 7.5x4 0.54 1.42 c11 5x2 5x2 2.73 1.39 I V16 D c3 12 7 3.86 0.36 2 6 out of 9 c4 8.2x5 8.2x5 1.43 0.4 c5 6x4 6x4 2.66 0.44 c6 5 4 3.82 0.55 c7 6.7x5 6.7x5 3.65 0.61 c8 6x5 6x5 1.2 0.62 c9 4x3 4x3 0 0.67 c10 6x4 6x4 2.45 0.7 III N2 E c3 19 7.5 0.22 0.1 2 2 out of 4 c4 4.6x2.4 4.6x2.4 1.98 1.65 I Y25 E c3 back? 30 none 3.15 1.92 4 2 out of 5 c4 3 3 1.39 1.92 c5 10 3.5 2.23 1.47 c6 11 7x4 3.2 1.25 II B4 E c1 30 10x6.5 3.53 1.65 4 3 out of 10 c2 3 1.7 1.83 1.6 c3 600 66 3.01 1.54 c4 11 4 1.11 1.39 c5 2.5x2 2.5x2 1.35 1.4 c6 3x2 3x2 2.56 1.14 c7 11 5 1.18 1.09 c8 20 8 2.7 1 I Z37 E c2 180 50 1.88 0.64 4 1 out of 5 c3 25 20x7.5 1.3 1.31 I L2 E c2 6 6x4 2.26 0.29 2 2 out of 3 c3 14 8 1.07 0.41 c4 12 6x3 3.51 0.54 I B41 D c1 6x5 3x2 8.5 19 out of 22 c2 11x9 5x4 c3 40x26 17x12 c4 23x18 9x6 c5 23x16 9x4 c6 22x19 3 c7 4x2.4 2x1.2 c8 22x14 6x3 c9 11x9 6x2.5 c10 37x30 9 c11 23x15 10.5x6.5 c12 17x13 6x5 c13 6x4 3x2.5 c14 2.7 2.7 c15 16 6.4 c16 7.5x4.5 7.5x4.5 c17 9x8 4.9x3.5 c18 30x22 23x9 c19 6x4 4.5x2.5 c20 3x2.3 2x1.6 c21 13x7 12x5 c22 25x16 16x10