Adhara

Epsilon Canis Majoris

Canis Major

1.5

Apparent Mag

430

Distance (ly)

B2Iab

Spectral Type

22,900

Temperature (K)

Adhara is the second-brightest star in Canis Major and one of the brightest ultraviolet sources in the sky. About 4.7 million years ago, it was the brightest star in the sky when it was closer to Earth.

Stellar Data

Apparent Magnitude1.5

Absolute Magnitude-4.1

Distance430 light-years

Spectral TypeB2Iab

Temperature22,900 K

Luminosity22,300 L☉

Radius13.9 R☉

Mass12.6 M☉

Right Ascension06h 58m 37.5s

Declination-28° 58′ 19.5″

ConstellationCanis Major

Notable Facts

Adhara was the brightest star in the sky about 4.7 million years ago
It is one of the strongest sources of extreme ultraviolet radiation
The name means virgins in Arabic

More Stars in Canis Major

Brightest Stars Nearest Stars All Stars