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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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