OP-Her (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , OP-Her is visible in the morning sky, becoming accessible around 21:35, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 04:21, 87° above your northern horizon. It will be lost to dawn twilight around 04:30, 86° above your north-western horizon.
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|
Name
OP-Her
|
Object type
Star
|
Other names
Position
| Right ascension: | 17h56m48s [4] |
| Declination: | +45°21'02" [4] |
| Constellation: | Hercules |
| Magnitude: Variable | 6.35 (V) [2] 8.21 (BT) [2] 6.51 (VT) [2] 4.60 (G) [4] 6.55 (BP) [4] 3.27 (RP) [4] |
| Distance: | 289.1 parsec 942.6 lightyrs [4] |
| B-V Color (mag): | 1.45 |
| Proper motion (speed): | 35.6 mas/yr[4] |
| Proper motion (pos ang): | 154.0° |
Derived quantities
| Absolute mag (V): | -0.95 |
Visibility from Cambridge
All times shown in Cambridge local time.