Alcor

Also known as 80 Ursae Majoris, g Ursae Majoris, HD 116842

star in the constellation of Ursa Major

Key facts

Constellation: Ursa Major
Right ascension: 13 25 13.53783
Declination: +54 ° 59 ′ 16.6548 ″
Apparent magnitude v: +3.99
Spectral type: A5Vn / M3-4

via Wikipedia infobox

Wikidata facts

Distance from Earth: 24.7127
Image: Mizar en Alcor.jpg

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catalog code: UBV M 19376
apparent magnitude: 3.974355
right ascension: 201.30640763875

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Article

Alcor (/ˈælkɔːr/) is a binary star system in the constellation of Ursa Major. It is the fainter companion of Mizar, the two stars forming a naked eye double in the handle of the Big Dipper (or Plough) asterism in Ursa Major. The two lie about 83 light-years away from the Sun, as measured by the Hipparcos astrometry satellite.

Nomenclature