Bright star · Eridanus
Achernar
NameAchernar
DesignationsAlpha Eridani · HIP 7588 · HD 10144
ConstellationEridanus
Distance~139 ly
Magnitude+0.46
Spectral typeB6Vep
Naked eye: magnitude +0.46, bright enough to see without a telescope under dark skies (limit ≈ +6).
From India (8°–34° N): only rises from southern India; it never clears the horizon from Srinagar.
Why it matters
When to look: Oct–Dec, low in the south; from roughly south of 33°N.
Sources
- Wikipedia: List of brightest stars
- HYG Database v4.1 (D. Nash, astronexus), CC BY-SA 4.0: stars within 20 ly, derived list
- HYG Database v4.1 (Nash), CC BY-SA 4.0
- IAU, The Constellations (88 official names and abbreviations)
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