τ-Dra (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Fairfield , τ-Dra is visible all night because it is circumpolar. It will be highest in the sky shortly before dawn, when it will be lost to twilight at around 04:10, 57° above your northern horizon. At dusk, it will become visible at around 21:26 (EDT), 35° above your northern horizon.
Name
τ-Dra
|
Object type
Star
|
Other names
Position
Right ascension: | 19h15m33s [2] |
Declination: | +73°21'19" [2] |
Constellation: | Draco |
Magnitude: Variable | 4.46 (V) [2] 6.09 (BT) [2] 4.59 (VT) [2] |
Distance: | 44.9 parsec 146.3 lightyrs [3] |
B-V Color (mag): | 1.27 |
Proper motion (speed): | 154.8 mas/yr[3] |
Proper motion (pos ang): | 311.8° |
Derived quantities
Absolute mag (V): | 1.20 |
Sources