Alp

Variable star

Its story

Alpha Doradus reigns as the brightest jewel of Dorado, a southern constellation that frames the Large Magellanic Cloud just a degree away. At 169 light-years, it is a blue-white giant of type A, faintly variable, with a close companion detected by interferometry whose orbit closes in barely a dozen years. Its young, hot light has long served those who steer by southern skies.

Constellation: Dorado
Apparent magnitude: 3.30
Distance: 168.7 light years
Coordinates (J2000): RA 68.499° · Dec -55.045°
Catalogue: HIP 21281 · HD 29305

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