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Table 3
Astrometry for 2M1540 from public catalogues and our own follow-up with the ESO NTT.
| RA | Dec | σ RA | σ dec | MJD | Source |
| degrees | degrees | mas | mas | days | |
|
|
|||||
| 235.1661050 | −51.0250780 | 320 | 320 | 45078.690278 | GSC DSSir |
| 235.1705326 | −51.0254346 | 350 | 350 | 46910.635417 | DSS-1 |
| 235.1791324 | −51.0264342 | 112 | 103 | 50554.605556 | POSS2-Red |
| 235.1809082 | −51.0265884 | 60 | 60 | 51364.024306 | 2MASS |
| 235.1902161 | −51.0275764 | 71 | 67 | 55251.096000 | WISE |
| 235.1904811 | −51.0276193 | 44 | 41 | 55432.482000 | WISE3B |
| 235.1932656 | −51.0278275 | 140 | 160 | 56570.003403 | NTT (2013) |
| 235.1932680 | −51.0278335 | 120 | 110 | 56570.983900 | NTT (2013) |
| 235.1937577 | −51.0279052 | 120 | 110 | 56728.342884 | NTT (2014) |
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