Triple System WDS 18037-2423
HD 164740
• CD-24_13806, Herschel_36, Cl_M8, Cl_NGC_6530
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 | 270.917991 | -24.378573 | 2.0 | -2.0 | 0.74 | 7.4 | 10.3 | O7.5V | |