Table A.1
Epoch astrometry of GJ 676A in the ICRF, after the effects of DCR have been removed.
| Epoch | RA | σRA | Dec | σDec |
| (MJD) | (deg) | (mas) | (deg) | (mas) |
|
|
||||
| 55 296.3070 | 262.54563132 | 0.31 | −51.63746885 | 0.46 |
| 55 327.2710 | 262.54561268 | 0.30 | −51.63747582 | 0.37 |
| 55 386.1120 | 262.54556902 | 0.59 | −51.63748333 | 0.68 |
| 55 422.0060 | 262.54554604 | 0.25 | −51.63748493 | 0.42 |
| 55 662.3820 | 262.54551810 | 0.32 | −51.63751807 | 0.47 |
| 55 721.1670 | 262.54547883 | 0.64 | −51.63752977 | 0.78 |
| 56 131.1510 | 262.54533245 | 0.26 | −51.63758361 | 0.32 |
| 56 161.0270 | 262.54531500 | 0.33 | −51.63758406 | 0.42 |
Notes. The quoted uncertainties correspond to the photocentre precision. The conversion to ICRF was done using reference stars catalogued in USNO-B1 (Monet et al. 2003) as described in Sahlmann et al. (2016) and introduces an additional uncertainty of 90 mas in both RA and Dec, which was not incorporated here. The analysis in Sect. 5 was performed on the basis of individual-frame astrometry.
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