Quadruple System WDS 04155+2048
HIP 19870
• BD+20_721
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 | 63.926821 | 20.819798 | 109.4 | -35.3 | 20.27 | 38.4 | 7.81 | G4V | |
| B | 63.885726 | 20.807701 | 125.8 | -41.5 | 23.13 | - | 16.82 | - | |
| C | 63.885695 | 20.807456 | 125.5 | -39.5 | 23.29 | - | 17.5 | - | |