Alnair

Alnair (α Gruis) is a blue-white subgiant star in the constellation Grus. With an apparent magnitude of 1.74 it is the 31st-brightest star in the night sky, and it is about 101 light-years from Earth.

Finder chart showing where Alnair is in the constellation Grus
Alnair (circled) in Grus, with the surrounding constellations and bright stars.
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Facts

ConstellationGrus
Designationα Gruis (Alpha Gruis), HR 8425
Apparent magnitude1.74 (31st brightest)
Spectral typeB7IV
Colorblue-white (B−V -0.13)
Distanceabout 101 light-years
Right ascension22 h 8.2 min
Declination−46.96°
Best monthOctober (at about 9 pm)

Sources: star positions, magnitudes and colors from the Yale Bright Star Catalogue; constellation boundaries and star names from the IAU; areas and distances from Wikidata; stick figures by M. van der Sluys. How the maps are made.

How to find Alnair

Alnair is in Grus. From 40° N it is highest in the south in October evenings, about 3° above the horizon. From 35° S it reaches about 78° in the south. Nearby bright stars: Tiaki (6° away), Peacock (18° away) and Fomalhaut (20° away).

Grus constellation →

Other named stars in Grus

TiakiAldhanab

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