오리온자리 카파

53Kap Ori

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Intrinsically among the most luminous stars in this group, with an absolute magnitude of −4.42, Saiph appears at only apparent magnitude 2.07 because it lies far off, some 647 light-years away. It is a hot blue-white B-type star, its colour index of −0.168 signalling a high surface temperature. Saiph carries the Kappa designation in Orion and marks one of the corners of that constellation's prominent rectangular figure. Despite ranking below Orion's brighter luminaries in Earth's sky, its great distance conceals a genuinely powerful star, its apparent faintness relative to nearby Rigel a consequence of geometry rather than any lack of intrinsic brilliance.

물리적 특성

분광형 B Class B — B-type (Blue-White)
색지수 (B−V) -0.168

관측

겉보기 등급 +2.07
절대 등급 -4.42
거리 647 ly
별자리 Orion

위치

적경 5h 47.76m
적위 -9° 40.18′

Frequently Asked Questions

What type of star is 오리온자리 카파?
오리온자리 카파 is a Class B — B-type (Blue-White) star.
How far is 오리온자리 카파 from Earth?
오리온자리 카파 is approximately 647.1 light-years from Earth.
Can you see 오리온자리 카파 with the naked eye?
With an apparent magnitude of 2.07, 오리온자리 카파 is visible to the naked eye.
What constellation is 오리온자리 카파 in?
오리온자리 카파 is located in the constellation Orion.