Star
Alphecca
White star · A0V
α Coronae Borealis · Corona Borealis
Shown in its true colour — like most stars, it is too far away to photograph as more than a point of light.
Alpha Coronae Borealis is an eclipsing binary star system in the northern constellation of Corona Borealis. It has the official name Alphecca, pronounced ; Alpha Coronae Borealis is its Bayer designation. This star is located about 75 light years from the Sun and contains two main sequence stars, one class A and one class G.
Description from Wikipedia (CC BY-SA 4.0).
In your sky
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Key facts
Distance
~75 light-years
Apparent mag.
+2.22
Spectral type
A0V
Luminosity
59.7 × Sun
Absolute mag.
+0.41
Catalogue
HIP 76267
Spectral type
A0V
True colour from its B–V index (0.03): a surface around 9800 K.
Did you know
- Alphecca is also known as α Coronae Borealis.
- Its spectral type A0V marks it as a white star.
- It lies in the constellation Corona Borealis.
