η-CrB (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , η-CrB is visible in the dawn sky, rising at 02:38 (EST) and reaching an altitude of 26° above the eastern horizon before fading from view as dawn breaks at around 05:32.
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Name
η-CrB
|
Object type
Star
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Other names
Position
| Right ascension: | 15h23m12s [3] |
| Declination: | +30°17'17" [3] |
| Constellation: | Corona Borealis |
| Magnitude: Variable | 5.02 (V) [3] 5.71 (BT) [2] 5.08 (VT) [2] |
| Distance: | 17.9 parsec 58.2 lightyrs [5] |
| B-V Color (mag): | 0.57 |
| Proper motion (speed): | 207.4 mas/yr[5] |
| Proper motion (pos ang): | 145.7° |
Derived quantities
| Absolute mag (V): | 3.76 |
Sources