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Table 1
Central coordinates used in the observations, and reference coordinates.
| (J2000) | ||||
|---|---|---|---|---|
| Obs/ | α | δ | Δα | Δδ |
| target | h m s | ° ′ ′′ | ′′ | ′′ |
| 2MASS(a) | 21:17:38.62 | +68:17:34.0 | 0.0 | 0.0 |
| CB230-A(b) | 21:17:38.36 | +68:17:32.87 | −1.44 | −1.13 |
| VLA(c) | 21:17:38.56 | +68:17:33.3 | −0.33 | −0.7 |
| IRAS(d) | 21:17:39.4 | +68:17:32 | +4.33 | −2.0 |
Notes. Reference coordinates: (a) point source at apex of nebula; 2MASS catalogue. (b) Position CB230A (YSO); Massi et al. (2004). (c) Position point source at 7.3 mm; Tobin et al. (2013). (d) IRAS 21169+6804 PSC2.0 position (error ellipse 16′′ × 3′′).
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