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Table 5

Main atmospheric parameters and elemental abundances for stars in the open cluster Trumpler 20.

GES ID T eff log g v t [Fe/H] [C/H] [N/H] C/N
K km s-1
12383595-6045245 5006 3.11 1.43 0.18 −0.04 0.46 1.26
12383659-6045300 4863 2.84 1.23 0.21 0.04 0.60 1.10
12385807-6030286 4488 2.13 1.48 0.00 −0.20 0.39 1.02
12390411-6034001 4494 2.17 1.49 0.02 −0.19 0.43 0.95
12390478-6041475 5017 2.99 1.39 0.13 −0.11 0.46 1.07
12390710-6038057 5007 3.07 1.20 0.08 −0.17 0.53 0.79
12391004-6038402 4516 2.17 1.57 −0.04 −0.24 0.39 0.93
12391114-6036527 5003 3.09 1.34 0.20 −0.02 0.51 1.17
12391201-6036322 4990 3.12 1.35 0.20 −0.01 0.54 1.12
12391577-6034406 4873 2.99 1.37 −0.03 −0.18 0.35 1.17
12392585-6038279 5086 3.24 1.39 0.14 −0.08 0.56 0.91
12392637-6040217 4967 2.90 1.45 0.06 −0.09 0.54 0.93
12392700-6036053 4830 2.70 1.46 0.06 −0.11 0.46 1.07
12393132-6039422 5000 3.09 1.39 0.11 −0.09 0.60 0.81
12393741-6032568 5030 3.10 1.38 0.14 −0.09 0.47 1.10
12393782-6039051 4931 3.00 1.43 0.08 −0.10 0.56 0.87
12394051-6041006 4976 2.94 1.42 0.15 −0.09 0.54 0.93
12394122-6040040 5033 3.09 1.40 0.14 −0.09 0.53 0.95
12394309-6039193 4889 2.92 1.39 0.13 −0.13 0.51 0.91
12394387-6033166 5029 3.05 1.49 0.14 −0.09 0.63 0.76
12394419-6034412 4990 3.03 1.40 0.17 −0.13 0.57 0.79
12394475-6038339 4895 2.86 1.43 0.09 −0.10 0.58 0.83
12394517-6038257 4955 3.00 1.36 0.22 −0.02 0.55 1.07
12394596-6038389 4936 2.95 1.42 0.06 −0.11 0.44 1.12
12394690-6033540 4984 2.97 1.42 0.08 −0.10 0.51 0.98
12394715-6040584 4570 2.20 1.57 −0.05 −0.27 0.44 0.78
12394742-6038411 4918 2.92 1.47 0.12 −0.06 0.57 0.93
12394899-6033282 4919 2.78 1.49 0.05 −0.12 0.52 0.91
12395426-6038369 4949 2.95 1.41 0.17 −0.09 0.54 0.93
12395555-6037268 4923 2.93 1.34 0.11 −0.09 0.51 1.00
12395569-6035233* 5954 3.65 1.50 0.12 0.35
12395655-6039011 4918 2.91 1.36 0.13 −0.09 0.44 1.17
12395712-6039335 4964 3.00 1.40 0.09 −0.08 0.49 1.07
12395975-6035072 4898 2.89 1.42 0.12 −0.06 0.57 0.93
12400111-6031395 4910 2.99 1.37 0.13 −0.10 0.49 1.02
12400116-6035218 4879 2.94 1.40 0.14 −0.11 0.41 1.20
12400260-6039545 4503 2.12 1.53 −0.03 −0.22 0.36 1.05
12400278-6041192 4993 3.13 1.33 0.19 −0.02 0.57 1.02
12400451-6036566 4369 2.06 1.51 −0.05 −0.27 0.38 0.89
12400755-6035445 4431 2.08 1.55 0.01 −0.20 0.43 0.93
12402229-6037419 4969 2.95 1.46 0.09 −0.09 0.52 0.98
12402480-6043101 4570 2.24 1.57 −0.04 −0.25 0.38 0.93
Mean 0.10 −0.10 0.50 0.98
s.d. ± 0.08 ± 0.10 ± 0.07 ± 0.12

Notes.

(*)

This star is a subgiant located close to the main sequence turn-off and had no CN bands strong enough for the nitrogen abundance determination.

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