Achernar is the brightest star in the constellation of Eridanus and the ninth-brightest in the night sky. It has the Bayer designation Alpha Eridani, which is Latinized from α Eridani and abbreviated Alpha Eri or α Eri. The name Achernar applies to the primary component [14] of a …

Sep 11, 2019 · Achernar, Alpha Eridani (α Eri), is a rapidly rotating star located 139 ly from Earth in Eridanus constellation. It is 3,150 times more luminous than the Sun.

Achernar, brightest star in the constellation Eridanus and the ninth brightest star in the sky. Achernar (Arabic for “end of the river”) is 144 light-years from Earth.

Nov 22, 2023 · The companion star – called Alpha Eridani B – is a white main sequence star with about two solar masses. It orbits the primary star at a distance of 12 astronomical units every 14 to 15 years.

Achernar is the brightest star in Eridanus and the 9th in the night sky based on the Hipparcos 2007 apparent magnitude. Based on a parallax of 23.39, Achernar distance from Earth can be calculated at being 139.45 light years away or 44.09 parsecs.

Mar 8, 2016 · Achernar (Alpha Eridani) is the most luminous star in the constellation Eridanus, marking the southern termination of the River, and is the 9th most luminous star in the entire …

Jan 27, 2020 · Achernar is the brightest star in the constellation of Eridanus and the ninth brightest star in the night sky. Out of the ten brightest stars in the sky, Achernar is the hottest and bluest in color. Achernar is a blue main-sequence star with a stellar classification of B6 Vep. It is a spectral type B star.

Nov 13, 2013 · Achernar means "the end of the river" in Arabic — although the star's official name is Alpha Eridani. It is so far south in Eridanus that it originally was not considered a part of the ...

Achernar, also designated as α Eridani (alpha Eridani), is a variable main-sequence star of spectral class B3 in the constellation of Eridanus. Achernar visual magnitude is 0.46, making it the 9th brightest star in the sky.

Alpha Eridani (α Eri), also known as Achernar, is a spectral class B3Vp star of magnitude 0.45 located in the constellation Eridanus. α Eri is one of the brighter stars in Eridanus and can be seen by the naked eye under dark skies or with binoculars.