Quadruple System WDS 21173+5837
HIP 105091
• HD 203025
• BD+57_2309, ADS_14832, HR_8153
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 | 319.328290 | 58.611484 | -3.6 | -2.1 | 1.24 | -6.1 | 6.42 | B2IIIe | |
| B | 319.326059 | 58.611555 | -3.9 | -3.0 | 1.06 | - | 12.31 | - | |