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Table 1.

Radial velocities, metallicities, and Ba abundances of the 38 target RSGs of NGC 1850A.

ID RA Dec F170W F439W F569W vLOS log g Teff [M/H] [Ba/Fe]
km s−1 K
RSG 1 77.1891513 −68.7547813 18.236 16.342 14.970 249.99 ± 0.21 1.37 4820 −0.19 ± 0.10 0.65 ± 0.14
RSG 2 77.1955380 −68.7609447 17.031 15.149 252.33 ± 0.32 0.99 4080 −0.18 ± 0.08 0.55 ± 0.12
RSG 3 77.2028529 −68.7598187 18.469 17.069 15.176 253.45 ± 0.17 0.99 4106 −0.24 ± 0.06 0.40 ± 0.12
RSG 4 77.1860433 −68.7579496 18.549 16.898 15.238 253.58 ± 0.16 1.12 4252 −0.68 ± 0.10 0.40 ± 0.11
RSG 5 77.1762850 −68.7623850 18.572 17.029 15.294 250.72 ± 0.34 1.12 4319 −0.26 ± 0.05 0.35 ± 0.12
RSG 6 77.2044573 −68.7666047 18.832 16.962 15.333 247.85 ± 0.17 1.19 4414 −0.30 ± 0.11 0.35 ± 0.13
RSG 7 77.1975002 −68.7758686 18.738 17.391 15.386 249.38 ± 0.13 1.05 4012 −0.18 ± 0.04 0.45 ± 0.13
RSG 8 77.1986001 −68.7616196 18.887 24.077 15.390 250.79 ± 0.49 1.29 4502 −0.29 ± 0.09 0.50 ± 0.14
RSG 9 77.1851371 −68.7541902 18.816 16.954 15.405 252.77 ± 0.41 1.29 4605 −0.32 ± 0.07 0.35 ± 0.12
RSG 10 77.1892216 −68.7534783 18.853 17.021 15.408 245.27 ± 0.36 1.19 4402 −0.29 ± 0.06 0.40 ± 0.13
RSG 11 77.1915189 −68.7547468 18.941 16.945 15.413 249.55 ± 0.08 1.29 4630 −0.37 ± 0.07 0.40 ± 0.12
RSG 12 77.1849157 −68.7694328 18.913 17.241 15.452 250.89 ± 0.24 1.19 4209 −0.25 ± 0.10 0.50 ± 0.12
RSG 13 77.1864469 −68.7623052 18.689 17.046 15.454 252.58 ± 0.62 1.27 4326 −0.32 ± 0.04 0.50 ± 0.14
RSG 14 77.1706326 −68.7592967 18.773 16.896 15.481 249.25 ± 0.45 1.43 4804 −0.24 ± 0.07 0.45 ± 0.11
RSG 15 77.1910025 −68.7608385 18.826 17.026 15.496 249.31 ± 0.44 1.34 4240 −0.34 ± 0.09 0.45 ± 0.12
RSG 16 77.1925124 −68.7512901 18.967 17.130 15.523 251.64 ± 0.22 1.27 4538 −0.35 ± 0.08 0.40 ± 0.14
RSG 17 77.2093896 −68.7576391 18.959 17.140 15.530 251.52 ± 0.43 1.27 4462 −0.35 ± 0.06 0.50 ± 0.13
RSG 18 77.2081946 −68.7605227 19.072 17.129 15.580 251.94 ± 0.56 1.34 4438 −0.31 ± 0.04 0.40 ± 0.12
RSG 19 77.1796305 −68.7628682 18.908 17.189 15.589 250.09 ± 0.23 1.34 4809 −0.15 ± 0.08 0.40 ± 0.14
RSG 20 77.2002277 −68.7616722 18.386 24.046 15.622 251.58 ± 0.28 1.48 4677 −0.28 ± 0.07 0.30 ± 0.14
RSG 21 77.1983491 −68.7591504 19.224 17.198 15.645 252.84 ± 0.23 1.34 4444 −0.33 ± 0.06 0.35 ± 0.14
RSG 22 77.1970198 −68.7569939 19.201 17.348 15.651 252.23 ± 0.37 1.27 4316 −0.31 ± 0.04 0.30 ± 0.13
RSG 23 77.1981650 −68.7685052 19.386 17.197 15.654 254.44 ± 0.18 1.42 4479 −0.38 ± 0.07 0.50 ± 0.13
RSG 24 77.1930351 −68.7531488 19.183 17.358 15.665 250.74 ± 0.36 1.34 4332 −0.34 ± 0.03 0.35 ± 0.13
RSG 25 77.1992255 −68.7538598 19.070 17.126 15.675 250.62 ± 0.30 1.42 4780 −0.32 ± 0.05 0.30 ± 0.12
RSG 26 77.2026966 −68.7570936 19.103 17.232 15.689 249.02 ± 0.42 1.42 4662 −0.28 ± 0.09 0.35 ± 0.14
RSG 27 77.2047532 −68.7592420 19.256 17.313 15.732 249.49 ± 0.27 1.42 4558 −0.30 ± 0.07 0.40 ± 0.13
RSG 28 77.2070506 −68.7667304 19.185 17.425 15.752 251.17 ± 0.14 1.34 4469 −0.37 ± 0.09 0.40 ± 0.13
RSG 29 77.1925074 −68.7564521 17.161 15.796 251.28 ± 0.37 1.61 4619 −0.33 ± 0.07 0.45 ± 0.14
RSG 30 77.1948737 −68.7576731 19.065 17.338 15.808 250.25 ± 0.21 1.51 4478 −0.38 ± 0.05 0.40 ± 0.12
RSG 31 77.1825199 −68.7593800 19.000 17.323 15.824 252.66 ± 0.14 1.51 4216 −0.43 ± 0.10 0.40 ± 0.14
RSG 32 77.1785855 −68.7605536 17.303 15.857 249.30 ± 0.35 1.51 4748 −0.25 ± 0.07 0.35 ± 0.13
RSG 33 77.1922522 −68.7541042 19.436 17.391 15.912 250.06 ± 0.52 1.51 4604 −0.38 ± 0.09 0.30 ± 0.13
RSG 34 77.2093007 −68.7615017 19.571 17.461 15.942 253.32 ± 0.45 1.51 4576 −0.29 ± 0.07 0.35 ± 0.12
RSG 35 77.1960072 −68.7681351 19.230 17.449 15.946 249.97 ± 0.18 1.51 4435 −0.43 ± 0.07 0.30 ± 0.14
RSG 36 77.2131170 −68.7637558 20.026 17.511 16.050 251.72 ± 0.46 1.61 4579 −0.28 ± 0.09 0.35 ± 0.15
RSG 37 77.1854110 −68.7669424 19.595 17.521 16.051 251.45 ± 0.17 1.61 4546 −0.35 ± 0.07 0.35 ± 0.13
RSG 38 77.1944616 −68.7558836 17.409 16.084 249.51 ± 0.48 1.73 4558 −0.38 ± 0.07 0.40 ± 0.13

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