Triple System WDS 18289-2503
HIP 90574
• HD 170121
• ADS_11378, CD-25_13163
MSC Grade
4
Confirmed hierarchy, periods known or estimated
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 | 277.236483 | -25.042908 | 38.1 | -28.6 | 18.48 | -19.2 | 8.3 | G2V | |
| B | 277.237246 | -25.043103 | 31.8 | -29.4 | 18.43 | - | 8.19 | - | |
| C | 277.261507 | -25.058263 | 34.1 | -28.1 | 18.4 | -15.2 | 14.19 | - | |