Alpha Gruis photograph

Alpha Gruis

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Surface temperature13,920 K
Radius2. 3654 million km
Magnitude1. 74
Mass7. 956 × 10^30 kg (4 M☉)
Luminosity263 L☉
Distance to Earth101. 1 light years
Date of Reg.
Date of Upd.
ID2259725
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About Alpha Gruis


Alpha Gruis, Latinized from α Gruis, officially named Alnair, is a single star in the southern constellation of Grus. At magnitude 1. 7 it is the brightest star in Grus and one of the brightest stars in the sky. It is a B-type main-sequence star 31 pc away.

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