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 .

Sep 11, 2019 · Achernar is a main sequence star of the spectral type B6 Vep. It is the bluest of the ten brightest stars in the sky and has the highest temperature (about 15,000 K). Alpha Eridani is in fact a binary star system consisting of Alpha Eridani A …

White-Blue star Achernar B is located 139 light years away from the Sun. It is a single star of spectral class A1V-A3V, that has 200 % of solar mass. For now, there are no known exoplanets in this star system.

Achernar (Arabic for “end of the river”) is 144 light-years from Earth. It is a binary star with a B-type star, Achernar A, as its primary and a much fainter A-type star, Achernar B, orbiting the primary at a distance of 6.7 astronomical units (1 billion km, or 621 million miles

Nov 22, 2023 · Bottom line: Achernar is the 9th brightest star and flattest star known. It marks the end of Eridanus the River. Here’s why much of Earth never sees it … and how you can.

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.

Jan 27, 2020 · Achernar is a blue main-sequence star with a stellar classification of B6 Vep. It is a spectral type B star. It has an unusually rapid rotational velocity of around 250 km / 155 mi per second. Because of this, Achernar seems to have an oblate shape. Achernar spins around 15 times faster than our sun, completing one rotation in around 2 days.

Mar 16, 2016 · Archernar does has a class A-type companion star classified as a Lambda Eridani type variable in its orbit. It is called, Achernar B and is separated by only 12.3 astronomical units from the main star. They orbit each other over a period of 14 to 15 years.

May 6, 2023 · Achernar is a blue-white star that is approximately six times larger than our Sun, and around 40 times more luminous. It is also one of the hottest stars known to science, with surface temperatures that can exceed 10,000 degrees Celsius.

Nov 13, 2013 · Achernar is a bright, binary star system in the constellation Eridanus, and is the ninth-brightest star in Earth's night sky. The two stars, Achernar A (seven times the mass of the sun) and...