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Table 5

Linear fit coefficients a and b from the relation between the values of our parameters and the values calculated for different combinations of resolution and S/N.

(a) [Fe/H]
S / N 100 90 80 70 60
Resolution a b a b a b a b a b
100 000 1.0573 –0.0257 1.0645 –0.0269 1.0572 –0.0275 1.0721 –0.0304 1.0686 –0.0353
95 000 1.0793 –0.0304 1.0786 –0.0343 1.0849 –0.0358 1.0766 –0.0401 1.0740 –0.0455
90 000 1.0947 –0.0428 1.1111 –0.0430 1.0973 –0.0472 1.1024 –0.0488 1.1029 –0.0521
85 000 1.1164 –0.0529 1.1345 –0.0511 1.1313 –0.0557 1.1451 –0.0592 1.1209 –0.0639
80 000 1.1522 –0.0630 1.1527 –0.0652 1.1545 –0.0670 1.1595 –0.0694 1.1587 –0.0749
75 000 1.1819 –0.0751 1.1859 –0.0790 1.1774 –0.0801 1.1891 –0.0838 1.1967 –0.0877
70 000 1.2184 –0.0877 1.2271 –0.0905 1.2309 –0.0920 1.2354 –0.0939 1.2441 –0.1018
65 000 1.2614 –0.0997 1.2781 –0.1045 1.2739 –0.1075 1.2850 –0.1094 1.2849 –0.1149
60 000 1.3350 –0.1191 1.3306 –0.1174 1.3361 –0.1206 1.3408 –0.1255 1.3437 –0.1305
55 000 1.3949 –0.1372 1.4058 –0.1370 1.4039 –0.1417 1.3962 –0.1439 1.4440 –0.1518
50 000 1.4859 –0.1499 1.5020 –0.1559 1.5317 –0.1590 1.5211 –0.1631 1.5289 –0.1666
45 000 1.5768 –0.1623 1.5924 –0.1670 1.5550 –0.1700 1.5998 –0.1726 1.5686 –0.1811
40 000 1.6667 –0.1739 1.6608 –0.1837 1.6628 –0.1912 1.6434 –0.1903 1.6910 –0.1976
35 000 1.6830 –0.1907 1.7071 –0.1930 1.7183 –0.1984 1.6553 –0.2061 1.6662 –0.2076
30 000 1.7031 –0.1998 1.6868 –0.2016 1.6715 –0.2080 1.6561 –0.2102 1.6526 –0.2109
25 000 1.7480 –0.2035 1.7205 –0.2016 1.7607 –0.2103 1.7139 –0.2077 1.7232 –0.2126
20 000 1.8697 –0.1965 1.8721 –0.1996 1.9415 –0.2054 1.7788 –0.1984 1.7328 –0.1986
15 000 2.2339 –0.1950 2.1304 –0.1933 2.3825 –0.2044 2.4904 –0.2125 2.3611 –0.2164
10 000 3.6228 –0.2062 2.6636 –0.1899 2.8711 –0.1999 2.6645 –0.2022 0.1404 –0.1154
S/N 50 40 30 20 10
Resolution a b a b a b a b a b
100 000 1.0749 –0.0400 1.0863 –0.0496 1.0652 –0.0669 1.0962 –0.0962 1.1196 –0.1781
95 000 1.1026 –0.0480 1.0960 –0.0566 1.0912 –0.0775 1.1092 –0.1012 1.0946 –0.1912
90 000 1.1050 –0.0574 1.1229 –0.0683 1.1226 –0.0842 1.1506 –0.1184 1.1492 –0.2043
85 000 1.1322 –0.0698 1.1658 –0.0794 1.1645 –0.0921 1.1767 –0.1251 1.1727 –0.2200
80 000 1.1730 –0.0826 1.1852 –0.0877 1.2021 –0.1082 1.2164 –0.1443 1.1864 –0.2345
75 000 1.2013 –0.0947 1.2168 –0.1039 1.2283 –0.1229 1.2608 –0.1553 1.1913 –0.2321
70 000 1.2298 –0.1103 1.2395 –0.1177 1.2697 –0.1359 1.2593 –0.1605 1.2609 –0.2620
65 000 1.3065 –0.1210 1.3072 –0.1315 1.3125 –0.1482 1.3743 –0.1880 1.2488 –0.2867
60 000 1.3658 –0.1417 1.3886 –0.1524 1.3698 –0.1694 1.3925 –0.1991 1.2093 –0.2847
55 000 1.4498 –0.1584 1.4282 –0.1685 1.4266 –0.1878 1.4316 –0.2206 1.4105 –0.3137
50 000 1.5178 –0.1755 1.5140 –0.1952 1.5464 –0.2043 1.5296 –0.2523 1.2569 –0.3076
45 000 1.6032 –0.1942 1.5460 –0.2028 1.6107 –0.2200 1.5216 –0.2526 1.2952 –0.3159
40 000 1.6677 –0.2050 1.5879 –0.2159 1.5324 –0.2321 1.4905 –0.2579 1.2183 –0.3194
35 000 1.6524 –0.2123 1.6276 –0.2232 1.6483 –0.2486 1.4189 –0.2579 1.0835 –0.2904
30 000 1.7535 –0.2277 1.6359 –0.2315 1.5524 –0.2371 1.4348 –0.2617 1.0072 –0.2814
25 000 1.7370 –0.2223 1.5786 –0.2180 1.6060 –0.2398 1.5160 –0.2570 0.9624 –0.2582
20 000 1.7250 –0.2059 1.8548 –0.2279 1.6821 –0.2321 1.1003 –0.2154 0.8352 –0.2465
15 000 1.6573 –0.1903 1.7403 –0.2065 1.9868 –0.2428 1.0153 –0.2100 0.3012 –0.1615
10 000 1.5151 –0.1772 1.3777 –0.1797 0.8703 –0.1678 1.2768 –0.2351 0.5612 –0.2087
(b) Teff
S / N 100 90 80 70 60
Resolution a b a b a b a b a b
100 000 0.9391 279 0.9395 273 0.9394 271 0.9306 293 0.9294 288
95 000 0.9305 342 0.9156 387 0.9182 377 0.9098 396 0.9164 364
90 000 0.9137 435 0.8986 482 0.9167 416 0.9087 435 0.9028 447
85 000 0.8802 582 0.8873 558 0.8811 575 0.8729 590 0.8879 538
80 000 0.8726 654 0.8705 658 0.8646 672 0.8676 655 0.8524 694
75 000 0.8524 767 0.8502 769 0.8497 767 0.8444 778 0.8511 750
70 000 0.8339 880 0.8360 872 0.8478 829 0.8305 876 0.8418 830
65 000 0.8286 957 0.8290 952 0.8277 953 0.8396 912 0.8354 917
60 000 0.8298 1025 0.8240 1039 0.8457 977 0.8389 989 0.8576 932
55 000 0.8553 1050 0.8583 1040 0.8743 994 0.8712 997 0.8711 993
50 000 0.8864 1101 0.8870 1096 0.8892 1088 0.8896 1083 0.9061 1036
45 000 0.9083 1227 0.9243 1184 0.9139 1204 0.9318 1159 0.9243 1169
40 000 0.9733 1313 0.9820 1294 0.9832 1284 0.9873 1274 1.0037 1227
35 000 1.0585 1451 1.0587 1445 1.0673 1424 1.0664 1414 1.0656 1408
30 000 1.2080 1587 1.2091 1573 1.2198 1554 1.2030 1565 1.2386 1498
25 000 1.4745 1717 1.4831 1699 1.4847 1683 1.5107 1641 1.5034 1624
20 000 1.9977 1842 2.0116 1817 1.9598 1834 1.9840 1793 1.9362 1792
15 000 3.1029 1946 3.1103 1914 2.9692 1936 3.0119 1867 3.0566 1775
10 000 6.8985 1681 6.2175 1775 6.2539 1685 6.2833 1548 5.6847 1562
S/N 50 40 30 20 10
Resolution a b a b a b a b a b
100 000 0.9249 291 0.9223 281 0.9363 198 0.9001 245 0.8592 179
95 000 0.9148 358 0.9194 327 0.9000 352 0.8961 290 0.8793 130
90 000 0.9083 419 0.8891 459 0.8993 390 0.8898 353 0.8804 161
85 000 0.8733 572 0.8741 547 0.8894 462 0.8595 492 0.8308 361
80 000 0.8665 640 0.8566 647 0.8626 597 0.8649 512 0.8964 178
75 000 0.8492 742 0.8506 714 0.8534 674 0.8623 571 0.8284 465
70 000 0.8494 796 0.8407 806 0.8479 750 0.8816 572 0.8621 402
65 000 0.8438 878 0.8257 915 0.8466 816 0.8567 713 0.8433 519
60 000 0.8477 948 0.8705 863 0.8817 797 0.8801 725 0.9280 332
55 000 0.8968 912 0.8730 954 0.8778 913 0.8882 817 0.8757 608
50 000 0.9027 1032 0.9235 962 0.9400 889 0.9670 730 0.9068 629
45 000 0.9462 1109 0.9496 1078 0.9855 956 1.0141 791 1.0176 467
40 000 1.0046 1211 1.0191 1157 1.0381 1074 1.0690 901 0.9749 794
35 000 1.1054 1317 1.1249 1252 1.1198 1204 1.1365 1059 1.0122 939
30 000 1.2608 1441 1.2615 1401 1.2422 1353 1.2352 1216 1.2106 780
25 000 1.5634 1525 1.5462 1491 1.4461 1513 1.4680 1287 1.1921 1163
20 000 2.0226 1665 2.0712 1542 1.9740 1475 1.8071 1364 1.3502 1271
15 000 3.0308 1698 2.8844 1623 2.7979 1454 2.3031 1400 1.4130 1486
10 000 4.8757 1643 4.4861 1557 3.1564 1817 1.9481 2046 0.3888 2893

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