Quadruple System WDS 20170+3725
HIP 99982
• HD 193077
• ADS_13641, BD+36_3987, cl_NGC_6871
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 | 304.250109 | 37.423271 | -2.4 | -5.5 | 0.45 | - | 8.01 | WN5-w+B? | |
| B | 304.251346 | 37.422480 | -2.5 | -5.2 | 0.38 | - | 11.61 | - | |