Rigel

19Bet Ori

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Rigel's absolute magnitude of −6.93 ranks it among the most intrinsically luminous stars on StarFYI, a beacon whose light travels 863 years to reach Earth yet still arrives at apparent magnitude 0.18. Designated Beta Orionis, it marks the bright foot of the constellation Orion and shows the blue-white colour of a B-type star, corroborated by a B–V index of −0.03. Its position near the celestial equator, at declination −8°, renders it visible from virtually every inhabited region of the planet. The sheer distance over which Rigel remains a first-magnitude star underscores an output thousands of times greater than the Sun's — the defining trait of the sky's most remote brilliant stars.

Propiedades físicas

Clase Espectral B Class B — B-type (Blue-White)
Índice de color (B−V) -0,030

Observación

Magnitud Aparente +0.18
Magnitud Absoluta -6,93
Distancia 863 ly
Constelación Orion

Posición

Ascensión recta 5h 14,54m
Declinación -8° 12,10′

Related Chemistry

Explore the chemical elements connected to Rigel on our sister site ChemFYI.

Part of the Science FYI Family

Frequently Asked Questions

What type of star is Rigel?
Rigel is a Class B — B-type (Blue-White) star.
How far is Rigel from Earth?
Rigel is approximately 862.8 light-years from Earth.
Can you see Rigel with the naked eye?
With an apparent magnitude of 0.18, Rigel is visible to the naked eye.
What constellation is Rigel in?
Rigel is located in the constellation Orion.