Beta Coronae Borealis
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Star β Coronae Borealis |
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| AladinLite | |||||||||||||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Northern crown | ||||||||||||||||||
| Right ascension | 15 h 27 m 49.7 s | ||||||||||||||||||
| declination | + 29 ° 06 ′ 21 ″ | ||||||||||||||||||
| Apparent brightness | 3.7 mag | ||||||||||||||||||
| Typing | |||||||||||||||||||
| Spectral class | F0 | ||||||||||||||||||
| Astrometry | |||||||||||||||||||
| Radial velocity | (−18.7 ± 0.9) km / s | ||||||||||||||||||
| Physical Properties | |||||||||||||||||||
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Other names and catalog entries |
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β Coronae Borealis ( Beta Coronae Borealis , β CrB ) is a star in the constellation Corona Borealis . It has an apparent magnitude of 3.7 mag and belongs to the spectral class F0. It is 114 light-years away and has 26 times the luminosity of the sun and a magnetic field 10,000 times stronger .
The star bears the historical proper name Nusakan . This is derived from the Arabic Kas al Masakin , which translated means bowl or bowl and was once the name for the entire constellation.