Open Access
Table A.1.
Observed halo metal-poor stars.
| Name | α | δ | μα cos δ | μδ | d | Teff | J | [Fe/H] | t1 | t2 | Δt |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (deg) | (deg) | (mas.yr−1) | (mas.yr−1) | (pc) | (K) | (mag) | (dex) | (MJD) | (MJD) | (yr) | |
| Ross 541 | 2.0819179 | −5.2485839 | 352.9 | −131.3 | 193.9 | 5341 | 10.9 | −1.63 | 59788.21 | ... | ... |
| Ross 312 | 10.0954937 | 7.3750678 | 264.4 | −122.1 | 182.3 | 4858 | 11.6 | −1.58 | 59788.19 | ... | ... |
| BD+71 31 | 10.9347892 | 72.1786447 | 324.0 | 92.2 | 180.4 | 6082 | 9.2 | −2.27 | 59148.96 | 60513.18 | 3.74 |
| BD+15 150 | 15.2770967 | 16.3726544 | 340.6 | −149.3 | 160.1 | 5631 | 9.4 | −1.71 | 59148.92 | ... | ... |
| BD+47 435 | 22.8162862 | 48.0048403 | 311.2 | −36.6 | 162.2 | 6061 | 9.2 | −1.94 | 59148.94 | 60510.16 | 3.73 |
| G 34-45 | 25.7032042 | 22.6171922 | 74.1 | −301.6 | 141.4 | 4697 | 11.3 | −1.54 | 59243.89 | ... | ... |
| G 72-34 | 26.5153625 | 35.9134931 | 91.5 | −381.5 | 143.9 | 4689 | 11.3 | −2.21 | 59243.87 | ... | ... |
| Ross 18 | 33.7895458 | 32.3949656 | 455.2 | −152.1 | 129.4 | 4858 | 10.9 | −1.78 | 59239.86 | ... | ... |
| HD 16031 | 38.5460354 | −12.3842900 | 60.1 | −184.3 | 121.5 | 6031 | 8.8 | −1.82 | 59123.08 | ... | ... |
| BD+09 352 | 40.3068317 | 9.7700278 | 305.1 | −15.7 | 158.9 | 5969 | 9.0 | −2.28 | 59121.20 | ... | ... |
| G 4-36 | 40.8418679 | 13.4324947 | 339.3 | −147.2 | 190.0 | 5917 | 10.4 | −2.12 | 59243.91 | ... | ... |
| G 5-19 | 47.8605858 | 12.6193250 | −24.7 | −467.6 | 160.0 | 5583 | 9.8 | −1.69 | 59178.06 | (c) | ... |
| G 79-56(a) | 55.4267775 | 9.3925450 | 262.0 | −251.2 | 128.7 | 5184 | 10.3 | −1.5 | 59239.89 | ... | ... |
| G 246-49 | 57.6032667 | 64.7844639 | 311.3 | −397.4 | 167.3 | 4984 | 11.5 | −1.58 | 59123.10 | ... | ... |
| HD 25329 | 60.8124912 | 35.2732792 | 1731.6 | −1364.4 | 18.5 | 4762 | 6.8 | −1.73 | 59121.22 | ... | ... |
| BD+03 740 | 75.3192608 | 4.1102836 | 155.3 | −146.3 | 169.7 | 6145 | 8.8 | −2.78 | 59121.25 | (c) | ... |
| BD+58 876 | 89.3690979 | 58.6801867 | 192.2 | −108.4 | 130.2 | 5835 | 9.4 | −1.94 | 59123.24 | ... | ... |
| G 99-48 | 89.7748950 | 4.1773844 | 264.9 | −231.4 | 146.9 | 5076 | 10.4 | −2.14 | 59187.08 | (c) | ... |
| G 103-28 | 94.4049912 | 28.6471153 | 161.3 | −249.6 | 133.6 | 4676 | 11.3 | −1.6 | 59178.08 | (c) | ... |
| G 103-50 | 100.0394179 | 28.4502489 | 256.0 | −259.1 | 139.6 | 4642 | 10.3 | −2.0 | 59239.93(b) | ... | ... |
| BD+00 2058A(a) | 115.9331946 | −0.0669369 | −171.9 | −305.5 | 178.7 | 5961 | 9.2 | −1.27 | 59188.17 | ... | ... |
| HD 64090 | 118.3880033 | 30.6050711 | 706.7 | −1835.4 | 27.3 | 5381 | 7.0 | −1.75 | 59213.04 | ... | ... |
| G 234-24 | 122.5701337 | 69.7812186 | 279.1 | −77.2 | 146.6 | 5900 | 9.9 | −1.6 | 59239.94 | ... | ... |
| HD 233511 | 124.8440475 | 54.0860064 | −34.0 | −628.3 | 98.3 | 5968 | 8.6 | −1.64 | 59187.11 | ... | ... |
| HD 74000 | 130.2116817 | −16.3451433 | 351.0 | −484.0 | 110.1 | 6141 | 8.7 | −2.02 | 59267.89 | ... | ... |
| G 115-49 | 136.3195133 | 38.7984983 | 6.5 | −468.5 | 165.6 | 5694 | 10.5 | −2.19 | 59239.97 | ... | ... |
| Ross 889 | 145.1800221 | 1.0081975 | 148.0 | −505.5 | 180.0 | 6295 | 9.6 | −2.66 | 59268.96 | (c) | ... |
| Ross 890 | 147.4649767 | 6.6098656 | 74.3 | −326.6 | 168.9 | 5269 | 11.1 | −2.28 | 59269.00 | ... | ... |
| Wolf 334 | 149.4264854 | 32.6131328 | −373.5 | −271.9 | 178.1 | 5084 | 11.3 | −1.82 | 59239.99 | ... | ... |
| G 236-30 | 157.2015667 | 62.9957200 | 183.4 | −243.0 | 235.0 | 5311 | 11.4 | −2.22 | 59268.98 | ... | ... |
| G 10-54 | 177.4507842 | 6.1478558 | 32.8 | −315.6 | 188.9 | 5315 | 11.2 | −2.05 | 59240.14 | ... | ... |
| BD+26 2606 | 222.2598304 | 25.7025533 | −9.7 | −351.2 | 147.6 | 5973 | 8.7 | −2.58 | 59448.87 | ... | ... |
| BD+42 2667 | 240.8054117 | 42.2462919 | −195.6 | −365.2 | 117.8 | 5973 | 8.8 | −1.53 | 59276.27 | 60186.92 | 2.49 |
| G 168-26 | 240.8326625 | 21.9698989 | −299.8 | −93.7 | 135.5 | 5582 | 9.9 | −1.8 | 59360.08 | ... | ... |
| G 153-64 | 248.1251300 | −8.5606200 | −147.7 | −214.3 | 158.6 | 5221 | 9.9 | −1.54 | 59414.98 | (c) | ... |
| G 169-28 | 252.5477854 | 22.3138950 | −149.4 | −366.6 | 153.7 | 5597 | 10.0 | −1.6 | 59360.10 | ... | ... |
| G 138-65 | 252.7729775 | 15.8635486 | −269.8 | −332.3 | 183.2 | 4756 | 12.0 | −1.88 | 59364.14 | 60449.99 | 2.97 |
| G 181-19 | 254.7894767 | 34.8657178 | −212.3 | −163.9 | 138.1 | 4872 | 11.0 | −1.56 | 59360.18 | ... | ... |
| G 139-8 | 255.4332558 | 16.1509283 | −287.5 | −246.4 | 190.5 | 5909 | 10.3 | −2.63 | 59360.12 | ... | ... |
| G 227-10 | 264.0249033 | 63.5672847 | −246.1 | 100.5 | 156.8 | 5175 | 11.0 | −1.59 | 59394.09 | ... | ... |
| BD+02 3375 | 264.9399783 | 2.4165572 | −365.9 | 75.2 | 101.6 | 5852 | 8.8 | −2.55 | 59393.09 | 60450.09 | 2.89 |
| BD-08 4501 | 266.8665467 | −8.7799258 | 246.4 | −364.3 | 114.7 | 5657 | 9.2 | −1.99 | 59415.03 | (c) | ... |
| 59419.05 | |||||||||||
| BD+36 2964 | 268.0752187 | 36.4018386 | −155.8 | −244.5 | 166.7 | 5952 | 9.4 | −2.53 | 59364.16 | 60514.10 | 3.15 |
| BD+20 3603 | 268.6801275 | 20.2712344 | −223.8 | −349.8 | 123.9 | 6200 | 8.9 | −2.26 | 59360.21 | 60450.03 | 2.98 |
| G 206-1 | 269.9268217 | 36.3929569 | −200.0 | −59.7 | 136.7 | 4987 | 10.9 | −1.68 | 59365.16 | ... | ... |
| HD 188510 | 298.7903258 | 10.7409439 | −38.4 | 290.6 | 38.1 | 5450 | 7.6 | −1.75 | 59360.14 | 60479.05 | 3.06 |
| G 24-3 | 301.4346542 | 4.0480033 | −133.7 | −167.8 | 130.7 | 5865 | 9.4 | −1.81 | 59122.90 | ... | ... |
| HD 340279 | 306.1892187 | 25.0519747 | 89.3 | −247.8 | 197.9 | 6231 | 9.9 | −2.85 | 59096.02 | ||
| 59393.21 | 60479.00 | 2.97 | |||||||||
| BD+41 3931 | 313.8198129 | 42.3001889 | 55.4 | −390.0 | 71.6 | 5445 | 9.0 | −1.78 | 59122.87 | 60479.02 | 3.71 |
| G 25-24 | 319.1734712 | −1.3024353 | 266.3 | −249.0 | 180.5 | 5774 | 10.5 | −1.94 | 59363.20 | 60513.10 | 3.15 |
| BD+26 4136 | 320.4906083 | 27.4528847 | 205.0 | 153.3 | 106.2 | 5734 | 9.4 | −1.55 | 59362.17 | 60450.21 | 2.98 |
| G 214-1(a) | 326.9817604 | 33.1075447 | 195.7 | −14.4 | 179.0 | 5568 | 10.8 | −2.03 | 59177.86 | ... | ... |
| G 214-5 | 329.7932142 | 41.0414150 | −292.2 | −192.3 | 162.7 | 5692 | 10.4 | −2.12 | 59362.19 | 60450.18 | 2.98 |
| Wolf 1337 | 329.9785792 | −0.6630075 | −175.8 | −326.6 | 190.7 | 4976 | 11.6 | −1.67 | 59419.07 | ... | ... |
| G 27-8(a) | 330.8072077 | −1.2208872 | 198.0 | −127.6 | 172.6 | 5844 | 10.2 | −1.53 | 59419.09(b) | ... | ... |
| G 241-4 | 335.3389850 | 68.4637908 | −261.0 | 143.7 | 158.5 | 5132 | 11.4 | −1.59 | 59394.12 | 60186.95 | |
| 60479.13 | 2.97 | ||||||||||
| L 1077-30 | 337.9009096 | 2.1621800 | 50.0 | −325.4 | 190.2 | 5861 | 9.6 | −1.75 | 59395.18 | ... | ... |
| G 189-50 | 344.1144946 | 33.8843306 | −98.8 | −371.4 | 192.5 | 5259 | 11.3 | −1.59 | 59362.21 | 60514.12 | 3.15 |
| Ross 783 | 346.9989929 | 41.8556644 | 345.8 | −93.1 | 133.9 | 5330 | 9.9 | −1.92 | 59095.07 | 60513.12 | 3.88 |
| G 28-42 | 347.3414187 | 7.0205764 | 377.1 | −19.4 | 172.1 | 5363 | 10.9 | −1.71 | 59448.98 | 60514.15 | 2.92 |
| BD-00 4470 | 347.3872679 | 0.7110414 | −221.9 | −1295.2 | 73.0 | 5072 | 8.5 | −1.8 | 59782.21 | 60479.15 | 1.91 |
| BD+38 4955 | 348.4117521 | 39.4173858 | 175.7 | −315.2 | 84.1 | 5127 | 9.5 | −2.68 | 59096.05 | ||
| 59393.11 | 60479.18 | 2.97 | |||||||||
| Ross 304 | 355.3520592 | 59.4096989 | 50.3 | −222.2 | 147.5 | 5046 | 11.1 | −2.17 | 59452.14 | 60513.16 | 2.90 |
| G 130-7 | 356.2502137 | 30.3362225 | 212.3 | −179.2 | 130.7 | 5306 | 10.3 | −1.62 | 59395.20 | ... | ... |
| G 171-15 | 356.2612783 | 44.6676194 | 48.0 | −235.4 | 115.7 | 5309 | 10.2 | −2.12 | 59096.07 | 60513.14 | 3.88 |
| Wolf 1043 | 357.5056904 | 8.7231586 | 369.3 | −55.2 | 127.3 | 5643 | 10.1 | −2.42 | 59095.09 | ... | ... |
Notes. A total of 66 targets were observed during the first epoch (t1). Among these, 28 were selected for second-epoch (t2) follow-up observations, with 21 successfully observed at the end. (a) The four targets that have wide stellar companions confirmed by Gaia. (b) The two targets that had depth issues in the first epoch. (c) The seven targets that remained unobserved in the second epoch.
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