Achernar

American  

[ey-ker-nahr] / ˈeɪ kərˌnɑr /

noun

Astronomy.

1. a star of the first magnitude in the constellation Eridanus.

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Achernar British  

/ ˈeɪkəˌnɑː /

noun

1. the brightest star in the constellation Eridanus, visible only in the S hemisphere. Visual magnitude: 0.5; spectral type: B3V; distance: 144 light years

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Etymology

Origin of Achernar

From Arabic ākhir al-nahr “end of the river”

Example Sentences

Latitude by meridian altitude of Achernar 16 degrees 10 minutes.

From Journals of Australian Explorations by Gregory, Augustus Charles

Latitude by altitude of Achernar, 15 degrees 39 minutes 43 seconds. 25th November.

From Journals of Australian Explorations by Gregory, Augustus Charles

It is supposed to be identical with the Achernar of Al-Sufi, who described it as of the first magnitude; this star has therefore decreased in brilliancy in historic times.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various

Just below are the two first magnitude stars Bungala, α, and Achernar, β, of the Centaur.

From Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work by Warren, Henry White

Latitude by meridian altitude of Achernar 16 degrees 26 minutes.

From Journals of Australian Explorations by Gregory, Augustus Charles