Star
Wezen
Yellow-white star · F8Ia
δ Canis Majoris · Canis Major
Shown in its true colour — like most stars, it is too far away to photograph as more than a point of light.
Delta Canis Majoris is a supergiant star in the constellation of Canis Major. It is formally named Wezen ; Delta Canis Majoris is its Bayer designation. At an apparent magnitude of +1.83, it is the third-brightest star in the constellation. Based on parallax measurements, it is located at a distance of approximately 1,600 light years. Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars are classified.
Description from Wikipedia (CC BY-SA 4.0).
In your sky
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Key facts
Distance
~1,607 light-years
Apparent mag.
+1.83
Spectral type
F8Ia
Luminosity
39,192 × Sun
Absolute mag.
−6.63
Catalogue
HIP 34444
Spectral type
F8Ia
True colour from its B–V index (0.67): a surface around 5700 K.
Did you know
- Wezen is also known as δ Canis Majoris.
- Its spectral type F8Ia marks it as a yellow-white star.
- It lies in the constellation Canis Major.
