Gamma Crucis

Gam Cru

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Gacrux glows a distinct red, its B–V colour index of 1.6 among the highest of the bright stars and the visual mark of an M-type classification. Designated Gamma Crucis, it forms the top of the Southern Cross in the constellation Crux and, at 88.6 light-years, is the nearest red star of first magnitude. It appears at magnitude 1.59, and its absolute magnitude of −0.58 shows an intrinsic brightness above the Sun's. From a southern declination of −57° Gacrux stays below the horizon for most northern observers. Its warm colour contrasts sharply with the blue-white glow of the Cross's other members.

Sifat Fisik

Kelas Spektral M Class M — M-type (Red)
Indeks Warna (B−V) 1,600

Pengamatan

Magnitudo Semu +1.59
Magnitudo Mutlak -0,58
Jarak 88.6 ly
Rasi Bintang Crux

Posisi

Asensio Rekta 12h 31,17m
Deklinasi -57° 6,79′

Frequently Asked Questions

What type of star is Gamma Crucis?
Gamma Crucis is a Class M — M-type (Red) star.
How far is Gamma Crucis from Earth?
Gamma Crucis is approximately 88.6 light-years from Earth.
Can you see Gamma Crucis with the naked eye?
With an apparent magnitude of 1.59, Gamma Crucis is visible to the naked eye.
What constellation is Gamma Crucis in?
Gamma Crucis is located in the constellation Crux.