AF-Dra (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , AF-Dra is very well placed – it is close enough to the north celestial pole that it is high above the horizon all night.
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Name
AF-Dra
|
Object type
Star
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Other names
Position
| Right ascension: | 20h31m30s [4] |
| Declination: | +74°57'16" [4] |
| Constellation: | Draco |
| Magnitude: Variable | 5.19 (V) [2] 5.30 (BT) [2] 5.20 (VT) [2] 5.16 (G) [4] 5.21 (BP) [4] 5.08 (RP) [4] |
| Distance: | 116.6 parsec 380.0 lightyrs [4] |
| B-V Color (mag): | 0.09 |
| Proper motion (speed): | 18.7 mas/yr[4] |
| Proper motion (pos ang): | 157.2° |
Derived quantities
| Absolute mag (V): | -0.15 |
Sources