Quadruple System WDS 18234+2327
HIP 90120
• HD 169388
• ADS_11309, BD+23_3325
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 | 275.857268 | 23.455331 | -2.6 | 39.9 | 13.68 | -126.5 | 8.95 | G5 | |
| C | 275.862458 | 23.453295 | 5.4 | 36.1 | 13.48 | - | 21.52 | - | |
| B | 275.856891 | 23.455938 | 7.2 | 36.2 | 13.66 | - | 10.21 | - | |