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Table 3
Proper motion measurements for S Ori 70 and S Ori 73.
| Object | Instruments | Δt | μαcosδ | μδ |
| (yr) | (mas yr-1) | (mas yr-1) | ||
|
|
||||
| S Ori 70 | Ω2000/HAWK-I | 3.42 | 25.8 ± 6.8 | 19.1 ± 6.3 |
| Ω2000/NIRCAM | 3.99 | 25.1 ± 17.8 | 8.1 ± 11.9 | |
| NIRC/HAWK-I | 7.23 | 25.5 ± 5.2 | 27.1 ± 5.0 | |
| NIRC/NIRCAM | 7.80 | 28.8 ± 6.2 | 17.7 ± 6.9 | |
| Average | 26.7 ± 6.1 | 21.3 ± 6.1 | ||
|
|
||||
| S Ori 73 | ISAAC/HAWK-I | 6.99 | 42.5 ± 3.7 | −2.6 ± 2.9 |
| ISAAC/NIRCAM | 7.85 | 50.9 ± 6.0 | −10.0 ± 6.5 | |
| Average | 46.7 ± 4.9 | −6.3 ± 4.7 | ||
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