Quadruple System WDS 18239+5848
HIP 90156
• HD 170073
• BD+58_1809, ADS_11336, HR_6923, *39_Dra
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 | 275.977529 | 58.800738 | -37.3 | 62.9 | 17.16 | -29.8 | 4.98 | A1V | |
| B | 275.977152 | 58.801769 | -41.7 | 61.1 | 17.23 | - | 8.05 | - | |
| C | 275.993465 | 58.824037 | -33.9 | 51.9 | 17.09 | -23.5 | 7.9 | F7IV | |