β-Crv (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Columbus , β-Crv is difficult to observe as it will appear no higher than 16° above the horizon. It is visible in the dawn sky, rising at 04:23 (EST) – 2 hours and 58 minutes before the Sun – and reaching an altitude of 16° above the south-eastern horizon before fading from view as dawn breaks at around 06:22.
Name
β-Crv
|
Object type
Star
|
Other names
Position
Right ascension: | 12h34m23s [6] |
Declination: | −23°23'49" [6] |
Constellation: | Corvus |
Magnitude: Variable | 2.66 (V) [3] 3.79 (BT) [2] 2.76 (VT) [2] 2.45 (G) [6] 3.33 (BP) [6] 2.24 (RP) [6] |
Distance: | 45.4 parsec 148.1 lightyrs [6] |
B-V Color (mag): | 0.90 |
Proper motion (speed): | 56.7 mas/yr[6] |
Proper motion (pos ang): | 178.9° |
Derived quantities
Absolute mag (V): | -0.63 |
Sources