ดาวไรเจล

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.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม B Class B — B-type (Blue-White)
ดัชนีสี (B−V) -0.030

การสังเกต

โชติมาตรปรากฏ +0.18
โชติมาตรสัมบูรณ์ -6.93
ระยะทาง 863 ly
กลุ่มดาว Orion

ตำแหน่ง

ไรต์แอสเซนชัน 5h 14.54m
เดคลิเนชัน -8° 12.10′

Related Chemistry

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

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Frequently Asked Questions

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