The star τ-Dra
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 Seattle , τ-Dra is very well placed – it is close enough to the north celestial pole that it is high above the horizon all night.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
τ-Dra
|
Object Type
Star
|
Position
| Constellation: | Draco |
| Magnitude: Variable | 4.46 (V) [2] 6.09 (BT) [2] 4.59 (VT) [2] |
| B-V Color (mag): | 1.27 |
| Right ascension: | 19h15m33s [2] |
| Declination: | +73°21'19" [2] |
| Distance: | 44.9 parsec 146.3 lightyrs [3] |
| Proper motion (speed): | 154.8 mas/yr [3] |
| Proper motion (pos ang): | 311.8° |
Derived Quantities
| Absolute mag (V): | 1.20 |
Visibility from Seattle
All times shown in Seattle local time.