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Table 1
Astrometric measurements of LHS 1070 B-C.
| Date (UT) | A-B | B-C | Reference, instrument, proposal-No. | |||
| d [mas] | PA [°] | d [mas] | PA [°] | |||
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| 1993 Jul. 29 | 1072 ± 10 | −8.6 ± 0.3 | 266. ± 5. | 328.5 ± 0.7 | Leinert et al. (2001) | |
| 1994 May 1 | 1085 ± 4 | −7.7 ± 0.1 | 341. ± 5. | 346.9 ± 0.6 | Leinert et al. (2001) | |
| 1994 Sep. 15 | 1092 ± 9 | −7.2 ± 0.4 | 375. ± 4. | 352.7 ± 0.61 | Leinert et al. (2001) | |
| 1994 Sep. 24 | 1095 ± 12 | −6.8 ± 0.42 | 382. ± 5. | 353.9 ± 0.67 | Leinert et al. (2001) | |
| 1995 Jan. 17 | 1094 ± 6 | −6.2 ± 0.3 | 400. ± 8. | 356.1 ± 0.4 | Leinert et al. (2001) | |
| 1995 Jul. 9 | 1119 ± 11 | −6.4 ± 0.1 | 439. ± 4. | 3.2 ± 0.1 | Leinert et al. (2001) | |
| 1995 Jul. 14 | 1102 ± 3 | −6.1 ± 0.1 | 436. ± 1. | 3.7 ± 0.2 | Leinert et al. (2001) | |
| 1996 Jan. 16 | 1124 ± 2 | −5.6 ± 0.3 | 459. ± 3. | 9.0 ± 0.3 | Leinert et al. (2001) | |
| 1996 Aug. 22 | 1161 ± 5 | −5.0 ± 0.1 | 465. ± 3. | 14.9 ± 0.1 | Leinert et al. (2001) | |
| 1996 Sep. 27 | 1157 ± 8 | −4.7 ± 0.1 | 468. ± 4. | 15.8 ± 0.1 | Leinert et al. (2001) | |
| 1997 Jul. 15 | 1235 ± 14 | −3.5 ± 0.23 | 458. ± 6. | 23.4 ± 0.6 | Leinert et al. (2001) | |
| 1997 Aug. 25 | 1243 ± 7 | −3.5 ± 0.23 | 450. ± 15. | 25.4 ± 1.0 | Leinert et al. (2001) | |
| 1997 Nov. 17 | 1223 ± 5 | −2.9 ± 0.1 | 439. ± 8. | 26.5 ± 0.45 | Leinert et al. (2001) | |
| 1998 Jan. 2 | 1260 ± 3 | −2.5 ± 0.14 | 432. ± 3. | 28.0 ± 0.45 | Leinert et al. (2001) | |
| 1998 May 7 | 1281 ± 7 | −1.9 ± 0.1 | 408. ± 8. | 32.3 ± 0.73 | Leinert et al. (2001) | |
| 1998 Oct. 10 | 1332 ± 8 | −1.0 ± 0.1 | 377. ± 19. | 38.2 ± 0.5 | Leinert et al. (2001) | |
| 1999 Jun. 18 | 1404 ± 3 | 0.44 ± 0.1 | 318. ± 2. | 49.4 ± 0.4 | Leinert et al. (2001) | |
| 1999 Aug. 3 | 1407 ± 7 | 1.02 ± 0.28 | 303. ± 7. | 52.1 ± 0.3 | Leinert et al. (2001) | |
| 1999 Sep. 1 | 1414 ± 4 | 1.23 ± 0.17 | 292. ± 8. | 54.6 ± 1.0 | Leinert et al. (2001) | |
| 1999 Nov. 23 | 1437 ± 4 | 1.64 ± 0.11 | 279. ± 5. | 60.1 ± 0.9 | Leinert et al. (2001) | |
| 2000 Jun. 4 | 1487 ± 9 | 2.5 ± 0.2 | 240. ± 2. | 76.0 ± 0.4 | Leinert et al. (2001) | |
| 2000 Jun. 20 | 1518 ± 3 | 3.6 ± 0.3 | 237. ± 3. | 80.8 ± 0.7 | Leinert et al. (2001) | |
| 2000 Oct. 31–Nov. 1 | 1516 ± 1.4 | 4.4 ± 0.1 | 218.1 ± 1.9 | 88.9 ± 0.6 | OCASS | |
| 2001 Jan. 9 | 1546.4 ± 1.1 | 4.7 ± 0.1 | 219.0 ± 9.0 | 100.4 ± 2.3 | ADONIS, 66.C-0219 | |
| 2001 Jun. 29–Jul. 6 | 1600.7 ± 5.5 | 5.4 ± 0.1 | 222.7 ± 1.0 | 120.3 ± 0.2 | SHARP, 67.C-0354 | |
| 2001 Dec. 6 | 1631.2 ± 2.5 | 6.8 ± 0.2 | 244.9 ± 0.4 | 136.1 ± 0.2 | NACO, 60.A-9026 (commissioning) | |
| 2001 Dec. 11 | 1633.0 ± 7.7 | 7.1 ± 0.4 | 246.7 ± 3.8 | 136.8 ± 0.9 | ADONIS, 68.C-0539 | |
| 2002 Dec. 16 | 1712.1 ± 3.4 | 9.8 ± 0.3 | 327.7 ± 0.9 | 162.8 ± 0.3 | NACO, 70.C-0476 | |
| 2003 Dec. 12 | 1772.3 ± 4.9 | 12.7 ± 0.1 | 406.3 ± 1.1 | 178.2 ± 0.1 | NACO, 072.C-0022 | |
| 2004 Dec. 11 | 1796.3 ± 2.2 | 15.9 ± 0.1 | 450.0 ± 1.4 | 189.7 ± 0.2 | NACO, 074.C-0637 | |
| 2005 Sep. 25 | 1792. ± 19. | 17.9 ± 0.2 | 450. ± 11. | 198.7 ± 0.9 | OCASS | |
| 2006 Sep. 1 – 2 | 1759.2 ± 4.6 | 20.5 ± 0.2 | 403.1 ± 6.0 | 208.1 ± 0.9 | OCASS | |
| 2006 Oct. 30 | 1742.9 ± 2.9 | 20.9 ± 0.5 | 399.7 ± 1.0 | 209.6 ± 0.5 | NACO, 078.C-0386 | |
| 2006 Nov. 28 | 1744.7 ± 3.8 | 21.3 ± 0.2 | 396.1 ± 2.0 | 211.0 ± 0.3 | OCASS | |
| 2007 Sep. 16 | 1680.2 ± 1.5 | 23.6 ± 0.2 | 328.7 ± 0.4 | 223.5 ± 0.2 | NACO, 380.C-0179 | |
| 2008 Feb. 1 | 1646.4 ± 1.4 | 24.8 ± 0.2 | 295.4 ± 0.4 | 231.5 ± 0.2 | NACO, 380.C-0179 | |
| 2008 Oct. 17,18 | 1576.6 ± 0.7 | 27.3 ± 0.1 | 240.7 ± 0.3 | 252.6 ± 0.13 | NACO, 382.C-0324/0329 | |
| 2008 Nov. 6 | 1571.3 ± 0.7 | 27.4 ± 0.1 | 237.6 ± 0.3 | 254.6 ± 0.12 | NACO, 382.C-0324 | |
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