Quintuple System WDS 18448+3736
HIP 91971
• HD 173648
• BD+37_3222, ADS_11639, HR_7056, *zet01_Lyr
MSC Grade
3
Confirmed hierarchy, some periods unknown
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 | 281.193151 | 37.605127 | 25.3 | 19.8 | 20.66 | -24.9 | 4.36 | A4m | |
| D | 281.200843 | 37.594606 | 24.0 | 23.5 | 20.64 | -25.0 | 5.7 | F0IVv | |