40-Dra (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , 40-Dra is very well placed – it is close enough to the north celestial pole that it is high above the horizon all night.
Name
40-Dra
|
Object type
Star
|
Other names
Position
Right ascension: | 18h00m03s [4] |
Declination: | +80°00'05" [4] |
Constellation: | Draco |
Magnitude: Variable | 5.95 (V) [2] 6.55 (BT) [2] 6.00 (VT) [2] 5.93 (G) [4] 6.18 (BP) [4] 5.51 (RP) [4] |
Distance: | 44.6 parsec 145.3 lightyrs [4] |
B-V Color (mag): | 0.47 |
Proper motion (speed): | 140.5 mas/yr[4] |
Proper motion (pos ang): | 20.2° |
Derived quantities
Absolute mag (V): | 2.70 |
Sources