τ-CrB (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , τ-CrB will become visible at around 21:41 (EDT), 81° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 06:03.
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Name
τ-CrB
|
Object type
Star
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Other names
Position
| Right ascension: | 16h08m58s [4] |
| Declination: | +36°29'32" [4] |
| Constellation: | Corona Borealis |
| Magnitude: Variable | 4.74 (V) [2] 6.03 (BT) [2] 4.84 (VT) [2] 4.43 (G) [4] 4.96 (BP) [4] 3.78 (RP) [4] |
| Distance: | 34.5 parsec 112.3 lightyrs [4] |
| B-V Color (mag): | 1.01 |
| Proper motion (speed): | 337.6 mas/yr[4] |
| Proper motion (pos ang): | 349.9° |
Derived quantities
| Absolute mag (V): | 2.05 |
Sources