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Table 3

Elemental abundances of 16 Cygni system relative to the Sun and to 16 Cyg B.

Z Species Tc [X/H]16 Cyg A Error [X/H]16 Cyg B Error [X/H]A–B Error
6 C 40 0.049 0.013 0.033 0.004 0.012 0.009
6 C(a) 40 0.058 0.009 0.041 0.008 0.017 0.006
7 N(a) 123 0.077 0.017 0.049 0.015 0.028 0.010
8 O 180 0.063 0.014 0.050 0.009 0.012 0.008
8 O(a) 180 0.070 0.007 0.048 0.010 0.022 0.007
11 Na 958 0.099 0.008 0.070 0.010 0.033 0.001
12 Mg 1336 0.127 0.022 0.087 0.018 0.040 0.005
13 Al 1653 0.168 0.011 0.129 0.009 0.041 0.004
14 Si 1310 0.114 0.008 0.070 0.007 0.043 0.003
16 S 664 0.070 0.009 0.058 0.009 0.031 0.008
19 K 1006 0.106 0.006 0.028 0.005 0.049 0.001
20 Ca 1517 0.112 0.002 0.075 0.002 0.040 0.003
21 Sc 1659 0.140 0.012 0.098 0.012 0.049 0.004
22 Ti 1583 0.136 0.003 0.092 0.002 0.044 0.006
23 V 1429 0.118 0.006 0.081 0.003 0.035 0.004
24 Cr 1296 0.105 0.004 0.070 0.004 0.036 0.002
25 Mn 1158 0.095 0.005 0.069 0.006 0.028 0.003
26 Fe 1334 0.101 0.004 0.060 0.004 0.041 0.004
27 Co 1352 0.118 0.007 0.079 0.009 0.037 0.003
28 Ni 1353 0.102 0.013 0.060 0.013 0.041 0.004
29 Cu 1037 0.126 0.015 0.090 0.014 0.036 0.006
30 Zn 726 0.142 0.006 0.109 0.005 0.029 0.004
38 Sr 1464 0.052 0.003 0.022 0.002 0.030 0.004
39 Y 1659 0.058 0.008 0.011 0.010 0.041 0.005
40 Zr 1741 0.074 0.017 0.039 0.018 0.036 0.003
44 Ru 1551 0.120 0.082 0.092 0.092 0.029 0.010
45 Rh 1392 0.170 0.031 0.148 0.044 0.022 0.054
46 Pd 1324 0.040 0.007 0.027 0.011 0.013 0.006
47 Ag 996 0.074 0.032 0.042 0.003 0.032 0.029
56 Ba 1455 0.083 0.005 0.027 0.003 0.055 0.001
57 La 1578 0.062 0.040 0.060 0.010 0.031 0.010
58 Ce 1478 0.110 0.020 0.090 0.011 0.034 0.007
60 Nd 1602 0.116 0.021 0.078 0.027 0.038 0.008
62 Sm 1590 0.111 0.009 0.031 0.011 0.079 0.007
63 Eu 1358 0.159 0.024 0.103 0.021 0.055 0.033
64 Gd 1659 0.135 0.016 0.108 0.007 0.027 0.013
66 Dy 1659 0.058 0.032 0.032 0.026 0.038 0.049

Notes. (a) Molecular abundance.

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