Quadruple System WDS 20181+4044
HIP 100069
• HD 193322
• BD+40_4103, ADS_13672, HR_7767, Cl_Collinder_419
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 | 304.529116 | 40.732082 | -2.4 | -6.4 | 1.01 | -4.7 | 5.84 | O9IV(n)+ | |
| B | 304.528202 | 40.731766 | -2.9 | -6.3 | 0.94 | - | 8.19 | - | |