δ-Boo (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , δ-Boo is visible in the dawn sky, rising at 02:15 (EST) and reaching an altitude of 29° above the eastern horizon before fading from view as dawn breaks at around 05:32.
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Name
δ-Boo
|
Object type
Star
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Other names
Position
| Right ascension: | 15h15m30s [4] |
| Declination: | +33°18'51" [4] |
| Constellation: | Bootes |
| Magnitude: Variable | 3.46 (V) [2] 4.67 (BT) [2] 3.56 (VT) [2] 3.21 (G) [4] 3.86 (BP) [4] 2.64 (RP) [4] |
| Distance: | 36.9 parsec 120.4 lightyrs [4] |
| B-V Color (mag): | 0.94 |
| Proper motion (speed): | 139.9 mas/yr[4] |
| Proper motion (pos ang): | 142.9° |
Derived quantities
| Absolute mag (V): | 0.63 |
Sources