Table 2
Final parameters for all 28 good quality member stars of NGC 3201.
| Star | RA | Dec | V | B − V | vhelio | Fe4383 | S/NCN | S/NCH | CN = S(3839) | CH = G4300 | δCN | δCH |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hh:mm:ss.sss | dd:mm:ss.sss | mag | mag | km s−1 | Å | mag | mag | mag | mag | |||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) | (13) |
| N3201centre_01 | 10:17:49.057 | − 46 : 24 : 58.572 | 13.823 | 1.186 | 375 | 2.745 | 60.37 | 129.7 | − 0.314 ± 0.026 | 1.035 ± 0.012 | − 0.144 | 0.006 |
| N3201centre_02 | 10:17:47.474 | − 46 : 23 : 53.786 | 12.959 | 1.287 | 400 | 2.425 | 79.79 | 165.5 | − 0.313 ± 0.020 | 0.985 ± 0.009 | − 0.144 | − 0.088 |
| N3201centre_03 | 10:17:45.289 | − 46 : 24 : 27.292 | 13.878 | 1.142 | 436 | 2.532 | 53.99 | 116.9 | − 0.117 ± 0.031 | 1.023 ± 0.013 | 0.056 | − 0.004 |
| N3201centre_04 | 10:17:44.273 | − 46 : 23 : 43.753 | 14.903 | 1.039 | 416 | 2.514 | 31.81 | 64.89 | − 0.289 ± 0.050 | 1.030 ± 0.023 | − 0.007 | 0.025 |
| N3201centre_05 | 10:17:43.300 | − 46 : 24 : 38.876 | 13.756 | 1.160 | 428 | 2.326 | 51.93 | 117.5 | − 0.080 ± 0.032 | 1.113 ± 0.013 | 0.088 | 0.082 |
| N3201centre_06 | 10:17:41.993 | − 46 : 23 : 54.265 | 15.015 | 0.999 | 393 | 1.383 | 49.58 | 80.20 | − 0.139 ± 0.033 | 0.913 ± 0.018 | 0.161 | − 0.092 |
| N3201centre_07 | 10:17:40.756 | − 46 : 24 : 44.838 | 13.594 | 1.207 | 421 | 2.885 | 56.02 | 119.2 | − 0.305 ± 0.028 | 1.156 ± 0.013 | − 0.142 | 0.118 |
| N3201centre_08 | 10:17:38.906 | − 46 : 24 : 02.333 | 12.970 | 1.259 | 423 | 2.791 | 52.22 | 117.3 | − 0.305 ± 0.030 | 1.135 ± 0.013 | − 0.136 | 0.062 |
| N3201centre_09 | 10:17:37.480 | − 46 : 25 : 02.046 | 13.373 | 1.224 | 429 | 2.704 | 50.29 | 121.3 | − 0.101 ± 0.033 | 1.143 ± 0.013 | 0.060 | 0.095 |
| N3201centre_10 | 10:17:36.040 | − 46 : 24 : 02.707 | 14.027 | 1.089 | 396 | 2.835 | 28.54 | 62.61 | − 0.136 ± 0.058 | 0.966 ± 0.023 | 0.047 | -0.055 |
| N3201centre_11 | 10:17:34.118 | − 46 : 24 : 14.861 | 12.990 | 1.273 | 414 | 2.707 | 33.71 | 89.90 | 0.003 ± 0.051 | 1.063 ± 0.017 | 0.170 | − 0.008 |
| N3201centre_15 | 10:17:29.949 | − 46 : 25 : 30.565 | 13.859 | 1.134 | 376 | 2.546 | 39.99 | 111.3 | − 0.338 ± 0.039 | 1.054 ± 0.014 | − 0.166 | 0.027 |
| N3201north_01 | 10:17:45.818 | − 46 : 23 : 27.370 | 14.546 | 1.085 | 404 | 2.407 | 27.31 | 62.42 | − 0.147 ± 0.060 | 1.073 ± 0.024 | 0.085 | 0.064 |
| N3201north_03 | 10:17:42.926 | − 46 : 22 : 48.306 | 13.586 | 1.188 | 457 | 2.459 | 35.43 | 80.76 | 0.057 ± 0.048 | 0.968 ± 0.019 | 0.219 | − 0.071 |
| N3201south_02 | 10:17:46.611 | − 46 : 26 : 15.954 | 13.879 | 1.162 | 427 | 2.805 | 71.33 | 159.7 | 0.010 ± 0.024 | 0.995 ± 0.009 | 0.183 | − 0.031 |
| N3201south_03 | 10:17:45.398 | − 46 : 25 : 31.757 | 13.635 | 1.214 | 464 | 2.431 | 106.5 | 191.6 | − 0.378 ± 0.015 | 1.008 ± 0.008 | − 0.214 | − 0.028 |
| N3201south_04 | 10:17:44.231 | − 46 : 27 : 16.916 | 14.789 | 1.074 | 501 | 2.486 | 72.59 | 142.0 | − 0.104 ± 0.023 | 0.967 ± 0.011 | 0.160 | − 0.039 |
| N3201south_06 | 10:17:41.264 | − 46 : 26 : 48.642 | 14.988 | 1.048 | 509 | 2.334 | 64.56 | 104.7 | − 0.333 ± 0.024 | 0.990 ± 0.014 | − 0.037 | − 0.015 |
| N3201south_07 | 10:17:40.303 | − 46 : 26 : 13.456 | 14.424 | 1.027 | 411 | 2.645 | 54.16 | 100.9 | − 0.112 ± 0.030 | 0.988 ± 0.015 | 0.105 | − 0.023 |
| N3201south_08 | 10:17:39.393 | − 46 : 26 : 58.362 | 14.730 | 1.076 | 552 | 2.260 | 53.58 | 122.4 | − 0.500 ± 0.028 | 1.057 ± 0.012 | − 0.244 | 0.050 |
| N3201south_09 | 10:17:37.655 | − 46 : 26 : 12.836 | 13.464 | 1.231 | 485 | 2.706 | 84.15 | 180.1 | − 0.020 ± 0.020 | 1.015 ± 0.008 | 0.141 | − 0.029 |
| N3201south_10 | 10:17:36.541 | − 46 : 27 : 38.682 | 14.567 | 1.007 | 510 | 2.333 | 64.45 | 106.6 | − 0.288 ± 0.024 | 1.004 ± 0.014 | − 0.054 | − 0.005 |
| N3201south_11 | 10:17:34.490 | − 46 : 25 : 36.160 | 14.718 | 1.027 | 489 | 1.981 | 75.59 | 125.5 | − 0.449 ± 0.020 | 0.959 ± 0.012 | − 0.194 | − 0.047 |
| N3201south_12 | 10:17:33.376 | − 46 : 27 : 36.115 | 14.887 | 0.974 | 595 | 1.566 | 55.55 | 166.3 | − 0.463 ± 0.027 | 1.067 ± 0.009 | − 0.184 | 0.061 |
| N3201south_13 | 10:17:32.096 | − 46 : 25 : 09.937 | 14.164 | 1.073 | 548 | 2.744 | 70.67 | 125.7 | − 0.167 ± 0.022 | 1.003 ± 0.012 | 0.026 | − 0.014 |
| N3201south_14 | 10:17:30.029 | − 46 : 26 : 36.726 | 14.080 | 1.093 | 563 | 2.277 | 83.27 | 185.7 | − 0.313 ± 0.018 | 0.974 ± 0.008 | − 0.127 | − 0.046 |
| N3201south_16 | 10:17:26.975 | − 46 : 25 : 52.468 | 13.583 | 1.175 | 534 | 2.485 | 72.38 | 145.2 | − 0.044 ± 0.023 | 0.986 ± 0.010 | 0.119 | − 0.053 |
| N3201south_18 | 10:17:26.013 | − 46 : 25 : 18.181 | 15.018 | 1.015 | 532 | 2.347 | 60.06 | 106.7 | − 0.126 ± 0.028 | 1.063 ± 0.014 | 0.175 | 0.058 |
Notes. (1) Star ID from our three masks. (2,3) Coordinates of each star, equinox J2000.0. (4,5) Magnitude and colour from Kravtsov et al. (2009) calibrated and corrected by differential reddening. (6) Heliocentric velocities. Errors are about 5 km s−1, assumed as the FWHM of the cross-correlation function. (7) Lick index of iron used as proxy for metallicity. (8,9) Signal-to-noise ratio at the wavelength of CN and CH indices. (10,11) CN and CH indices as defined in Eqs. (1) and (2). (12,13) CN and CH indices corrected by surface gravity effects as discussed in Sect. 3.3.
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