Table B.1.
Absolute positions of the massive YSOs VLA 1 and VLA 2 in epochs 1996.96 and 2014.20.
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | |
|---|---|---|---|---|---|---|---|---|
| epocha | α1950 | δ1950 | α2000 | δ2000 | Δα | Δδ | Ref.b | |
( ) |
(° : ′: ″) | ( ) |
(° : ′: ″) | (mas) | (mas) | |||
| VLA 1 | ||||||||
| 1996.96 | 20:36:50.0056 | +42:26:58.507 | 20:38:36.4528 | +42:37:34.850 | 7 | 7 | (1) | |
| 2014.20 | 20:38:36.440 | +42:37:34.865 | 0.2 | 0.2 | (2) | |||
| 2014.20* | 20:38:36.443 | +42:37:34.936 | - | |||||
| VLA 2 | ||||||||
| 1996.96 | 20:36:50.0405 | +42:26:58.783 | 20:38:36.4882 | +42:37:34.128 | 7 | 7 | (1) | |
| 2014.20 | 20:38:36.484 | +42:37:34.086 | 1 | 1 | (3) | |||
| 2014.20* | 20:38:36.487 | +42:37:34.158 | - | |||||
| VLA 3 | ||||||||
| 1996.96 | 20:36:50.0406 | +42:26:58.095 | 20:38:36.4886 | +42:37:33.440 | 1 | 1 | (1) | |
| 2014.20 | 20:38:36.485 | +42:37:33.400 | 0.1 | 0.1 | (3) | |||
| 2014.20* | 20:38:36.488 | +42:37:33.472 | - | |||||
Notes.
Epoch 2014.20* refers to the epoch 2014.20 corrected for the proper motion of the region W75N(B) as measured by Rygl et al. (2012), ⟨μα⟩ = (−1.97 ± 0.10) mas yr−1 and ⟨μδ⟩ = (−4.16 ± 0.15) mas yr−1. The reference epoch is epoch 1996.96.
References: (1) Torrelles et al. (1997); (2) Rodríguez-Kamenetzky et al. (2020), (3) Carrasco-González et al. (2015).
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