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Table 2
New and recalibrated astrometric measurements of T Tau N – Sa – Sb.
| Date (UT) | Epoch | T Tau N – Sa | T Tau Sa – Sb | Filter | Instrument | ||||||||
| d [mas] | PA [°] | d [mas] | PA [°] | ||||||||||
|
|
|||||||||||||
| 2001 Dec. 08, 3:34 | 2001.93470 | 693.70 ± 0.66 | 181.88 ± 0.11 | 99.60 ± 0.80 | 276.80 ± 0.40 | K | NACO | ||||||
| 2002 Dec. 15, 2:31 | 2002.95306 | 694.21 ± 1.57 | 182.56 ± 0.10 | 106.50 ± 1.60 | 284.10 ± 0.20 | Ks | NACO | ||||||
| 2003 Dec. 12, 3:14 | 2003.94424 | 692.93 ± 2.18 | 183.07 ± 0.13 | 112.70 ± 0.80 | 288.70 ± 0.80 | Ks | NACO | ||||||
| 2004 Dec. 09, 4:06 | 2004.93818 | 697.89 ± 1.64 | 183.74 ± 0.14 | 119.70 ± 1.20 | 296.10 ± 0.60 | Ks | NACO | ||||||
| 2006 Oct. 11, 8:50 | 2006.77582 | 694.75 ± 1.38 | 185.21 ± 0.07 | 125.10 ± 0.80 | 304.99 ± 0.20 | Ks | NACO | ||||||
| 2007 Sep. 16, 8:00 | 2007.70659 | 694.41 ± 0.92 | 185.59 ± 0.13 | 127.20 ± 0.60 | 308.80 ± 0.40 | Ks | NACO | ||||||
| 2008 Feb. 01, 0:38 | 2008.08358 | 695.10 ± 0.24 | 185.95 ± 0.10 | 127.10 ± 0.20 | 310.85 ± 0.14 | Ks | NACO | ||||||
| 2008 Oct. 17, 6:18 | 2008.79333 | 695.00 ± 1.66 | 186.36 ± 0.10 | 129.30 ± 1.30 | 314.50 ± 0.70 | Ks | NACO | ||||||
| 2009 Feb. 18, 0:32 | 2009.13216 | 690.84 ± 2.32 | 186.94 ± 0.13 | 124.60 ± 1.20 | 315.11 ± 0.60 | Ks | NACO | ||||||
| 2014 Dec. 09, 3:36 | 2014.93676 | 689.98 ± 0.64 | 191.53 ± 0.10 | 110.33 ± 0.25 | 345.40 ± 0.15 | BrG | SPHERE | ||||||
| 2015 Jan. 23, 2:20 | 2015.05981 | – | – | 109.27 ± 0.44 | 345.70 ± 0.25 | Ks | SPHEREa | ||||||
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