Achernar

A·cher·nar

A0053200 (ā′kər-när′)n. A star in the constellation Eridanus that is one of the brightest stars in the sky and is 114 light years from Earth.

[From Arabic 'aḫīr an-nahr, the end of the river (referring to the star's position in the constellation Eridanus) : 'aḫīr, last, end; see ʔḫr in Semitic roots + al-, the + nahr, river; see nhr in Semitic roots.]

Achernar

(ˈeɪkəˌnɑː) n (Astronomy) the brightest star in the constellation Eridanus, visible only in the S hemisphere. Visual magnitude: 0.5; spectral type: B3V; distance: 144 light years[from Arabic ākhīr al-nahr, literally: end of the river, alluding to the star's location in the constellation]

Achernar

enUK

Achernar

(ā`kərnär'), brightest star in the constellation EridanusEridanus
, large southern constellation stretching SW from Orion for about 60°. Because of its long, winding shape it was identified with a river by many ancient civilizations; e.g., the Egyptians called it the Nile and the Babylonians called it the Euphrates.
..... Click the link for more information. ; Bayer designation α Eridani; 1992 position R.A. 1^h37.4^m, Dec. −57°16'. A bluish-white white star with apparent magnitudemagnitude,
in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the dimmest stars
..... Click the link for more information. 0.51, it is one of the 10 brightest stars in the entire sky. Its distance is about 120 light-years, and its luminosity about 600 times that of the sun. Achernar is of spectral classspectral class,
in astronomy, a classification of the stars by their spectrum and luminosity. In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically.
..... Click the link for more information. B5 V. Its name is from the Arabic meaning "end of the river [Eridanus]."

Achernar

(ay -ker-nar) (α Eri) A conspicuous bluish-white star that is the brightest in the constellation Eridanus. m_v : 0.5; M_v : –1.3; spectral type: B3 Vnp; distance: 22 pc.

单词	achernar
释义	Achernar enUK A·cher·nar A0053200 (ā′kər-när′)n. A star in the constellation Eridanus that is one of the brightest stars in the sky and is 114 light years from Earth. [From Arabic 'aḫīr an-nahr, the end of the river (referring to the star's position in the constellation Eridanus) : 'aḫīr, last, end; see ʔḫr in Semitic roots + al-, the + nahr, river; see nhr in Semitic roots.] Achernar (ˈeɪkəˌnɑː) n (Astronomy) the brightest star in the constellation Eridanus, visible only in the S hemisphere. Visual magnitude: 0.5; spectral type: B3V; distance: 144 light years[from Arabic ākhīr al-nahr, literally: end of the river, alluding to the star's location in the constellation] Achernar enUK Achernar (ā`kərnär'), brightest star in the constellation EridanusEridanus , large southern constellation stretching SW from Orion for about 60°. Because of its long, winding shape it was identified with a river by many ancient civilizations; e.g., the Egyptians called it the Nile and the Babylonians called it the Euphrates. ..... Click the link for more information. ; Bayer designation α Eridani; 1992 position R.A. 1^h37.4^m, Dec. −57°16'. A bluish-white white star with apparent magnitudemagnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the dimmest stars ..... Click the link for more information. 0.51, it is one of the 10 brightest stars in the entire sky. Its distance is about 120 light-years, and its luminosity about 600 times that of the sun. Achernar is of spectral classspectral class, in astronomy, a classification of the stars by their spectrum and luminosity. In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically. ..... Click the link for more information. B5 V. Its name is from the Arabic meaning "end of the river [Eridanus]." Achernar (ay -ker-nar) (α Eri) A conspicuous bluish-white star that is the brightest in the constellation Eridanus. m_v : 0.5; M_v : –1.3; spectral type: B3 Vnp; distance: 22 pc.
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