Star lore
Alnair
Direct answer
Alnair is Alpha Gruis, a hot blue-white star and the brightest point in the southern constellation Grus.
Alnair is the brilliant lead star of the Crane.
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At a glance
- Found in
- Constellations & Star Lore
- Related
- Gacrux, Nunki, Peacock, Avior
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The story behind Alnair
Alnair’s Arabic-derived name means the bright one, historically the bright star from the fish's tail region.
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Why Alnair matters
Alnair’s isolated brightness makes it a valuable guide among the southern autumn constellations beyond the Milky Way.
How to read Alnair
Find Alnair south of Fomalhaut and use it to trace Grus toward its long body and wings.
Alnair in practice: an example
Alnair provides a direct hop toward the wide naked-eye pair Delta Gruis.
Where readings of Alnair go wrong
The star's inherited naming history predates the modern constellation Grus.
Sources and editorial method
Research references used for this entry include:
- IAU Division C Working Group on Star Names - Official IAU working group responsible for standardizing star names used in international astronomy.
- CDS SIMBAD Astronomical Database - Professional astronomical database for stellar identifiers, positions, classifications, and bibliography.
- Source
- The Great Almanac Dictionary
- Category
- Constellations & Star Lore
- Last updated
- 2026-09-26
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Common questions
What is Alnair?
Alnair is Alpha Gruis, a hot blue-white star and the brightest point in the southern constellation Grus.
What does the name Alnair mean?
Alnair’s Arabic-derived name means the bright one, historically the bright star from the fish's tail region.
What do people get wrong about Alnair?
The star's inherited naming history predates the modern constellation Grus.
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