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Table B.2
Astrometry of the stars approached by α Cen A and B until 2031.
| Date | Band | MJDa | RA | Dec | σrel [″] b | Instrument |
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| Star S1 | ||||||
| 2000-03-12 | Ks | 51 615.383 | 14:39:25.277 | −60:49:49.57 | 0.30 | 2MASSc |
| 2004-02-29 | I | 53 064.271 | 14:39:25.228 | −60:49:49.60 | 0.05 | SUSI2 |
| 2004-04-02 | Z | 53 097.121 | 14:39:25.224 | −60:49:49.60 | 0.05 | SUSI2 |
| 2004-04-02 | I | 53 097.243 | 14:39:25.223 | −60:49:49.64 | 0.05 | SUSI2 |
| 2009-02-25 | J s | 54 887.356 | 14:39:25.224 | −60:49:49.67 | 0.05 | SOFI |
|
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| Star S2 | ||||||
| 2000-03-12 | K s | 51 615.383 | 14:39:24.291 | −60:49:53.66 | 0.20 | 2MASSc |
| 2004-02-26 | V | 53 061.325 | 14:39:24.284 | −60:49:53.79 | 0.10 | SUSI2 |
| 2004-02-29 | I | 53 064.271 | 14:39:24.285 | −60:49:53.80 | 0.05 | SUSI2 |
| 2004-02-29 | V | 53 064.329 | 14:39:24.284 | −60:49:53.77 | 0.10 | SUSI2 |
| 2004-04-02 | Z | 53 097.121 | 14:39:24.284 | −60:49:53.83 | 0.05 | SUSI2 |
| 2004-04-02 | V | 53 097.181 | 14:39:24.287 | −60:49:53.77 | 0.10 | SUSI2 |
| 2004-04-02 | I | 53 097.243 | 14:39:24.284 | −60:49:53.75 | 0.05 | SUSI2 |
| 2009-02-25 | J s | 54 887.356 | 14:39:24.288 | −60:49:53.80 | 0.05 | SOFI |
| 2016-03-27 | K s | 57 474.405 | 14:39:24.287 | −60:49:53.80 | 0.06 | NACO |
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| Star S3 | ||||||
| 2000-03-12 | K s | 51 615.383 | 14:39:24.279 | −60:49:46.03 | 0.20 | 2MASSc |
| 2004-02-25 | R | 53 060.277 | 14:39:24.271 | −60:49:46.02 | 0.05 | SUSI2 |
| 2004-02-29 | I | 53 064.271 | 14:39:24.266 | −60:49:46.05 | 0.05 | SUSI2 |
| 2004-04-02 | Z | 53 097.121 | 14:39:24.264 | −60:49:46.07 | 0.05 | SUSI2 |
| 2004-04-02 | I | 53 097.243 | 14:39:24.269 | −60:49:46.07 | 0.05 | SUSI2 |
| 2009-02-25 | J s | 54 887.356 | 14:39:24.269 | −60:49:46.07 | 0.05 | SOFI |
|
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| Star S4 | ||||||
| 2004-02-25 | R | 53 060.277 | 14:39:23.472 | −60:49:42.97 | 0.05 | SUSI2 |
| 2004-02-29 | I | 53 064.271 | 14:39:23.482 | −60:49:42.97 | 0.05 | SUSI2 |
| 2004-02-29 | V | 53 064.329 | 14:39:23.477 | −60:49:42.97 | 0.10 | SUSI2 |
| 2004-04-02 | Z | 53 097.121 | 14:39:23.467 | −60:49:43.04 | 0.05 | SUSI2 |
| 2004-04-02 | V | 53 097.181 | 14:39:23.482 | −60:49:42.97 | 0.10 | SUSI2 |
| 2004-04-02 | I | 53 097.243 | 14:39:23.477 | −60:49:42.97 | 0.05 | SUSI2 |
| 2009-02-25 | J s | 54 887.356 | 14:39:23.481 | −60:49:42.89 | 0.05 | SOFI |
| 2016-03-27 | K s | 57 474.405 | 14:39:23.485 | −60:49:42.91 | 0.06 | NACO |
|
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| Star S5 | ||||||
| 2000-03-12 | K s | 51 615.383 | 14:39:21.600 | −60:49:52.84 | 0.08 | 2MASSd |
| 2004-04-02 | Z | 53 097.121 | 14:39:21.589 | −60:49:52.82 | 0.05 | SUSI2 |
| 2009-02-25 | J s | 54 887.356 | 14:39:21.585 | −60:49:52.93 | 0.05 | SOFI |
| 2016-03-27 | K s | 57 474.405 | 14:39:21.586 | −60:49:52.89 | 0.06 | NACO |
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| Star S6 | ||||||
| 2004-02-25 | R | 53 060.277 | 14:39:20.523 | −60:49:41.41 | 0.05 | SUSI2 |
| 2004-02-29 | I | 53 064.271 | 14:39:20.528 | −60:49:41.37 | 0.05 | SUSI2 |
| 2004-02-29 | V | 53 064.329 | 14:39:20.528 | −60:49:41.37 | 0.10 | SUSI2 |
| 2004-04-02 | Z | 53 097.121 | 14:39:20.513 | −60:49:41.48 | 0.05 | SUSI2 |
| 2004-04-02 | V | 53 097.181 | 14:39:20.523 | −60:49:41.41 | 0.10 | SUSI2 |
| 2004-04-02 | I | 53 097.243 | 14:39:20.523 | −60:49:41.37 | 0.05 | SUSI2 |
| 2009-02-25 | J s | 54 887.356 | 14:39:20.518 | −60:49:41.41 | 0.05 | SOFI |
Notes. The listed coordinates are referenced to the 2MASS frame (ICRS).
(b)
σrel is the position uncertainty with respect to the 2MASS frame in arcseconds, including statistical uncertainty and systematic offset between instruments (see Sect. 2.4).
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