Triple System WDS 17564+1820
HIP 87823
• HD 163640
• BD+18_3500, ADS_10905
MSC Grade
5
Confirmed, well-characterized orbital elements
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 | |
| B | 269.101004 | 18.327271 | -2.8 | -8.0 | 2.13 | -8.1 | 7.72 | A2 | |
| A | 269.101719 | 18.326998 | -1.5 | -8.9 | 2.36 | - | 7.54 | - | |