Triple System WDS 18039-2419
HD 164816
• CD-24_13816, TYC_6842-1472-1, Cl_NGC6530
Catalog Grade
4
Confirmed hierarchy, periods known or estimated
Mobile Diagram
(Click node to view orbit details)Components
| Position | Proper Motion | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| α deg |
δ deg |
α mas/yr |
δ mas/yr |
Parallax mas |
vrad km/s |
Magnitude V |
Spectral Type | External | |
| A | 270.986844 | -24.312533 | 1.7 | -1.6 | 0.84 | -7.0 | 6.99 | O9.5V+B0 | |