Open Access
Table 6.
Summary of GJ 2060 astrometry.
| UT Date | Band | Position angle | Separation | ΔRA | ΔDec | Instrument | Reference |
|---|---|---|---|---|---|---|---|
| (deg) | (mas) | (mas) | (mas) | ||||
| 2002/12/28 | Kp | 180.3 ± 0.2 | 425 ± 4 | −2 ± 2 | −425 ± 4 | Keck_ NIRC2 | Janson et al. (2014) |
| 2005/11/30 | H | 143.7 ± 1.5 | 175 ± 11 | 104 ± 11 | −141 ± 12 | Gemini_ NIRI | Daemgen et al. (2007) |
| 2008/11/12 | z′ | 169.7 ± 0.3 | 479 ± 5 | 86 ± 4 | −471 ± 6 | Astralux | Bergfors et al. (2010) |
| 2010/01/31 | z′ | 176.2 ± 0.3 | 458 ± 5 | 30 ± 3 | −457 ± 6 | Astralux | Janson et al. (2012) |
| 2010/10/25 | z′ | 181.1 ± 0.3 | 423 ± 4 | −8 ± 3 | −423 ± 4 | Astralux | Janson et al. (2014) |
| 2012/01/06 | z′ | 191.6 ± 0.3 | 294 ± 3 | −59 ± 3 | −288 ± 4 | Astralux | Janson et al. (2014) |
| 2012/11/25 | H | 232.3 ± 3.0 | 69 ± 5 | −55 ± 4 | −42 ± 4 | NaCo | Janson et al. (2014) |
| 2015/02/05 | IRD_ EXT | 161.7 ± 0.2 | 393 ± 1 | 123 ± 2 | −373 ± 2 | SPHERE | This work |
| 2015/03/16 | z′ | 162.3 ± 0.5 | 399 ± 4 | 121 ± 5 | −380 ± 5 | Astralux | This work |
| 2015/10/01 | Kc | 166.3 ± 0.2 | 439 ± 4 | 105 ± 3 | −426 ± 5 | Keck_ NIRC2 | This work |
| 2015/11/18 | Kc | 167.1 ± 0.2 | 447 ± 4 | 101 ± 3 | −436 ± 5 | Keck_ NIRC2 | This work |
| 2015/11/29 | IRD_ EXT | 66.8 ± 0.1 | 449 ± 1 | 103 ± 1 | −437 ± 1 | SPHERE | This work |
| 2015/12/25 | z′ | 167.5 ± 0.2 | 453 ± 2 | 98 ± 2 | −442 ± 3 | Astralux | This work |
| 2015/12/26 | IRD_ EXT | 167.0 ± 0.1 | 453 ± 1 | 102 ± 1 | −441 ± 1 | SPHERE | This work |
| 2015/12/28 | z′ | 167.5 ± 0.2 | 454 ± 2 | 98 ± 2 | −443 ± 3 | Astralux | This work |
| 2016/03/27 | IRD_ EXT | 168.6 ± 0.1 | 463 ± 1 | 92 ± 1 | −454 ± 1 | SPHERE | This work |
| 2017/02/07 | IRD_ EXT | 173.1 ± 0.2 | 478 ± 1 | 57 ± 2 | −474 ± 2 | SPHERE | This work |
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