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Home All issues Volume 671 (March 2023) A&A, 671 (2023) A2 Full HTML
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Table B.1

Chemical composition of the Ryugu samples from FTIR

Sample [cm−1] Column density [1017cm−2]
OH (str.) Aliphatics (CH str.) Carbonyl (C=O str.) Aro C=C (C=C str.) Carbonates (CO3 str.) Silicates (SiO str.) N(OH) N(CH) N(C=O) N(Aro C=C) N(CO3) N(Si)
Chamber A
A0064−FO013−17−top−a 22.44 2.95 0.43 ≤ 0.33 5.08 61.09 2.24 ± 0.45 6.15 ± 1.23 0.20 ± 0.04 ≤ 1.05 0.28 ± 0.06 4.36± 0.87
A0108−15−03−bot−a 43.18 2.20 0.18 ≤ 5.74 7.55 76.38 4.32 ± 0.86 4.59 ± 0.92 0.08 ± 0.02 ≤ 18.22 0.42 ± 0.08 5.46± 1.09
A0108−15−03−bot−b 69.68 2.33 0.14 ≤ 4.29 6.22 84.21 6.97 ± 1.39 4.86 ± 0.97 0.06 ± 0.01 ≤ 13.62 0.34 ± 0.07 6.01± 1.20
A0108−15−03−bot−a 32.72 1.98 0.18 ≤ 2.91 4.10 58.68 3.27 ± 0.65 4.12 ± 0.82 0.08 ± 0.02 ≤ 9.24 0.23 ± 0.05 4.19± 0.84
A0108−19−03−bot−a 51.43 4.05 0.94 ≤ 1.57 16.58 127.93 5.14 ± 1.03 8.43 ± 1.69 0.43 ± 0.09 ≤ 4.97 0.92 ± 0.18 9.14± 1.83
A0108−19−03−top−a 19.52 2.04 0.40 ≤ 1.62 5.54 65.44 1.95 ± 0.39 4.25 ± 0.85 0.18 ± 0.04 ≤ 5.15 0.31 ± 0.06 4.67± 0.93
A0108−19b−bot−a 54.46 5.55 1.53 ≤ 27.22 9.85 137.54 5.45 ± 1.09 11.55 ± 2.31 0.70 ± 0.14 ≤ 86.42 0.54 ± 0.11 9.82± 1.96
A0108−19b−bot−b 14.42 2.06 0.82 ≤ 2.22 3.11 57.01 1.44 ± 0.29 4.29 ± 0.86 0.37 ± 0.07 ≤ 7.06 0.17 ± 0.03 4.07± 0.81
A0108−19b−top−a 72.16 8.33 2.11 ≤ 1.99 99.34 188.23 7.22 ± 1.44 17.35 ± 3.47 0.96 ± 0.19 ≤ 6.33 5.49 ± 1.10 13.44± 2.69
A0108−19b−top−b 51.23 7.83 2.37 ≤ 7.45 6.83 146.13 5.12 ± 1.02 16.32 ± 3.26 1.08 ± 0.22 ≤ 23.65 0.38 ± 0.08 10.44± 2.09
A0108−19b−top−c 14.40 2.06 0.82 ≤ 1.99 3.21 56.97 1.44 ± 0.29 4.29 ± 0.86 0.37 ± 0.07 ≤ 6.30 0.18 ± 0.04 4.07± 0.81
A0064−F0020−bot−a 52.98 6.99 1.78 ≤ 2.70 1.65 166.49 5.30 ± 1.06 14.57 ± 2.91 0.81 ± 0.16 ≤ 8.56 0.09 ± 0.02 11.89+ 2.38
A0064−F0020−top−a 24.02 4.23 0.87 ≤ 1.14 0.57 92.00 2.40 ± 0.48 8.80 ± 1.76 0.39 ± 0.08 ≤ 3.62 0.03 ± 0.01 6.57± 1.31
A0064−F0021−top−a 94.40 9.86 2.20 ≤ 5.04 6.90 251.47 9.44 ± 1.89 20.54 ± 4.11 1.00 ± 0.20 ≤ 15.99 0.38 ± 0.08 17.96± 3.59
A0064−F0021−top−a 32.04 6.02 0.31 ≤ 0.08 135.01 111.70 3.20 ± 0.64 12.54 ± 2.51 0.14 ± 0.03 ≤ 0.24 7.46 ± 1.49 7.98± 1.60
A0106−13−bot−a 75.28 5.92 1.43 ≤ 8.28 12.95 169.08 7.53 ± 1.51 12.32 ± 2.46 0.65 ± 0.13 ≤ 26.28 0.72 ± 0.14 12.08± 2.42
A0106−13−top−a 44.74 5.08 0.95 ≤ 1.21 4.55 109.83 4.47 ± 0.89 10.57 ± 2.11 0.43 ± 0.09 ≤ 3.85 0.25 ± 0.05 7.84± 1.57
A0106−13−top−a 36.38 3.72 2.13 ≤ 2.54 10.44 99.35 3.64 ± 0.73 7.75 ± 1.55 0.97 ± 0.19 ≤ 8.06 0.58 ± 0.12 7.10± 1.42
Chamber C
C0046−FO004−010−bot−a 38.72 4.73 0.58 ≤ 2.88 3.98 106.21 3.87 ± 0.77 9.85 ± 1.97 0.27 ± 0.05 ≤ 9.15 0.22 ± 0.04 7.59 ± 1.52
C0046−FO004−010−top1 38.67 4.31 0.43 ≤ 2.53 10.22 83.20 3.87 ± 0.77 8.97 ± 1.79 0.19 ± 0.04 ≤ 8.02 0.56 ± 0.11 5.94 ± 1.19
C0046−FO004−010−top2 34.11 2.46 0.45 ≤ 1.98 1.50 66.77 3.41 ± 0.68 5.12 ± 1.02 0.20 ± 0.04 ≤ 6.28 0.08 ± 0.02 4.77 ± 0.95
C0002−FC016−bot−a 20.35 2.31 0.31 ≤ 1.07 2.53 60.04 2.04 ± 0.41 4.82 ± 0.96 0.14 ± 0.03 ≤ 3.39 0.14 ± 0.03 4.29 ± 0.86
C0002−FC016−top−a 34.08 3.55 0.44 ≤ 2.86 7.48 94.72 3.41 ± 0.68 7.40 ± 1.48 0.20 ± 0.04 ≤ 9.09 0.41 ± 0.08 6.77 ± 1.35
C0040−FC025−bot−a 31.79 2.50 0.72 ≤ 1.51 7.01 130.20 3.18 ± 0.64 5.20 ± 1.04 0.33 ± 0.07 ≤ 4.80 0.39 ± 0.08 9.30 ± 1.86
C0040−FC025−bot−b 34.85 3.76 0.79 ≤ 3.59 63.91 158.20 3.49 ± 0.70 7.83 ± 1.57 0.36 ± 0.07 ≤ 11.39 3.53 ± 0.71 11.30 ± 2.26
C0109−04−bot−a 37.14 1.93 1.06 ≤ 10.55 3.56 95.71 3.71 ± 0.74 4.02 ± 0.80 0.48 ± 0.10 ≤ 33.51 0.20 ± 0.04 6.84 ± 1.37
C0109−04−top−a 30.49 1.60 0.33 ≤ 8.63 2.97 82.88 3.05 ± 0.61 3.33 ± 0.67 0.15 ± 0.03 ≤ 27.40 0.16 ± 0.03 5.92 ± 1.18
C0109−10−bot−a 25.32 2.27 0.17 ≤ 5.22 2.90 86.39 2.53 ± 0.51 4.73 ± 0.95 0.08 ± 0.02 ≤ 16.58 0.16 ± 0.03 6.17 ± 1.23
C0109−10−top−a 74.23 5.09 1.26 ≤ 11.15 13.97 207.36 7.42 ± 1.48 10.60 ± 2.12 0.57 ± 0.11 ≤ 35.39 0.77 ± 0.15 14.81 ± 2.96
C0057−5−bot−a 14.91 0.80 0.48 ≤ 1.07 2.45 31.88 1.49 ± 0.30 1.67 ± 0.33 0.22 ± 0.04 ≤ 3.41 0.14 ± 0.03 2.28 ± 0.46
C0057−5−bot−c 18.68 0.95 0.42 ≤ 0.70 6.62 43.58 1.87 ± 0.37 1.98 ± 0.40 0.19 ± 0.04 ≤ 2.23 0.37 ± 0.07 3.11 ±0.62
C0057−5−bot−d 12.93 1.39 0.32 ≤ 1.03 10.21 32.84 1.29 ± 0.26 2.90 ± 0.58 0.14 ± 0.03 ≤ 3.26 0.56 ± 0.11 2.35 ± 0.47

a The integration is performed in energy units (wavenumber)

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