The star 109-Her
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Ashburn (click to change), 109-Her will become visible at around 20:03 (EDT) as the dusk sky fades, 70° above your south-western horizon. It will then sink towards the horizon, setting 7 hours and 37 minutes after the Sun at 02:36.
|
Name
109-Her
|
Object Type
Star
|
Position
| Constellation: | Hercules |
| Brightness (V): | Mag 3.9 Variable |
| B-V Color (mag): | 1.18 |
| Right Ascension: | 18h23m42s |
| Declination: | +21°46'11" |
| Distance: | 42.9 parsec 139.9 lightyears |
| Proper motion (speed): | 313.5 mas/yr |
| Proper motion (pos ang): | 142.0° |
Source for position: The Tycho-2 Catalogue (Hog et al. 2000)
Source for distance: The Tycho Catalogue (ESA 1997)
Derived Quantities
| Absolute Mag (V): | 0.69 |