SkyRef / Stars

Rigel

Magnitude 0.12, white. A first-magnitude star, among the brightest few dozen visible.

The numbers

Magnitude0.12
Colourwhite
Right ascension5.242h
Declination-8.20°
B−V index-0.03
CatalogueHR 1713

What you are looking at

Rigel shines at magnitude 0.12, making it a first-magnitude star, among the brightest few dozen visible. Its B−V colour index of -0.03 makes it white to the eye, corresponding to a surface temperature of around 8,000 K.

It sits at right ascension 5.24 hours and declination -8.2°. It straddles the celestial equator, so it is visible from essentially anywhere on Earth at the right time of year.

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Other named stars

SiriusCanopusArcturusRigil KentaurusVegaCapellaRigelProcyonAchernarBetelgeuseHadarAltairAldebaranAntaresSpicaPolluxFomalhautMimosaDenebAcruxRegulusAdharaElnathAlphardAlnilamDenebolaCastorAlgolDubheKaus AustralisAlkaidPolarisAlnitakCaphMirachBellatrix