Quadruple System WDS 21231+4831
HIP 105584
• HD 203839
• BD+47_3386, V2154_Cyg
MSC Grade
5
Confirmed, well-characterized orbital elements
Components (Hover name or magnitude for more details)
| Position | Proper Motion | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| α deg |
δ deg |
μα mas/yr |
μδ mas/yr |
Parallax mas |
vrad km/s |
Magnitude V |
Spectral Type | External | |
| A | 320.784592 | 48.518910 | 109.5 | -22.2 | 10.64 | 4.0 | 7.82 | F0 | |
| C | 320.785901 | 48.519772 | 109.3 | -24.2 | 11.32 | - | 13.87 | - | |