Gamma Orionis

24Gam Ori

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Gamma Orionis, called Bellatrix, marks one shoulder of the constellation Orion and is a blue-white B-type star with a hot, negative B–V index of −0.224. It shines at apparent magnitude 1.64 from a distance of some 252 light-years, and its absolute magnitude of −2.8 indicates an intrinsic luminosity well beyond the Sun's. Positioned near the celestial equator at declination +6°, Bellatrix is visible from nearly everywhere on Earth. Together with Betelgeuse it forms the upper pair of Orion's rectangular figure, its cooler blue-white light contrasting with the red shoulder opposite.

Sifat Fisik

Kelas Spektral B Class B — B-type (Blue-White)
Indeks Warna (B−V) -0,224

Pengamatan

Magnitudo Semu +1.64
Magnitudo Mutlak -2,80
Jarak 252 ly
Rasi Bintang Orion

Posisi

Asensio Rekta 5h 25,13m
Deklinasi 6° 20,98′

Frequently Asked Questions

What type of star is Gamma Orionis?
Gamma Orionis is a Class B — B-type (Blue-White) star.
How far is Gamma Orionis from Earth?
Gamma Orionis is approximately 252.4 light-years from Earth.
Can you see Gamma Orionis with the naked eye?
With an apparent magnitude of 1.64, Gamma Orionis is visible to the naked eye.
What constellation is Gamma Orionis in?
Gamma Orionis is located in the constellation Orion.