Thuban (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 , Thuban is visible all night because it is circumpolar. It will be highest in the sky at 02:13, 67° above your northern horizon. At dusk, it will become visible at around 20:16 (EDT), 38° above your north-eastern horizon. It will be lost to dawn twilight at around 05:18, 55° above your north-western horizon.
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|
Name
Thuban
|
Object type
Star
|
Other names
Position
| Right ascension: | 14h04m23s [3] |
| Declination: | +64°22'32" [3] |
| Constellation: | Draco |
| Magnitude: Variable | 3.65 (V) [3] 3.61 (BT) [2] 3.64 (VT) [2] |
| Distance: | 92.9 parsec 303.0 lightyrs [5] |
| B-V Color (mag): | -0.03 |
| Proper motion (speed): | 58.9 mas/yr[5] |
| Proper motion (pos ang): | 287.0° |
Derived quantities
| Absolute mag (V): | -1.19 |
Visibility from Cambridge
All times shown in Cambridge local time.