The Alcor star which resides in URSA MAJOR, part of the star that makes up the big Dipper, is 81 light years from earth.
FYI: Alcor and Mizar are twin stars or double stars which almost line up directly behind each other. However, Alcor is behind Mizar but resides slightly above and to the left of Mizar.
Alcor is a binary star system located in the Big Dipper constellation. The primary star, Alcor A, is a main sequence star with a mass about 1.9 times that of the Sun and a radius around 1.75 times that of the Sun. The companion star, Alcor B, is a smaller red dwarf star.
The double star in the handle of the Big Dipper is called Alcor and Mizar. They are also known as Mizar and Alcor.
Ursa major
Mizar is a binary star system consisting of two stars, Mizar A and Mizar B, located in the constellation Ursa Major. Alcor is a nearby star that appears as a single point of light with Mizar, forming an optical double star. Both Mizar and Alcor are composed primarily of hydrogen and helium, like other stars.
52.00098 from the earth
Ursa Major is the constellation that contains Alcor.
The population of Mairena del Alcor is 19,924.
The area of Mairena del Alcor is 69.72 square kilometers.
The population of Alcor Life Extension Foundation is 12.
El Viso del Alcor's population is 18,351.
Santa Cecilia del Alcor's population is 152.
Alcor is a binary star system located in the Big Dipper constellation. The primary star, Alcor A, is a main sequence star with a mass about 1.9 times that of the Sun and a radius around 1.75 times that of the Sun. The companion star, Alcor B, is a smaller red dwarf star.
Alcor is a hot, white A5V main sequence star having a luminosity about 13 times that of the sun. The spectral type implies that Alcor has an effective temperature of 8500 K, a diameter 1.7 times that of the sun, and a mass of about 2.2 solar masses. Alcor is a variable star of Delta Scuti type; see Caph.
The double star in the handle of the Big Dipper is called Alcor and Mizar. They are also known as Mizar and Alcor.
Ursa Major
Ursa major
Mizar is a binary star system consisting of two stars, Mizar A and Mizar B, located in the constellation Ursa Major. Alcor is a nearby star that appears as a single point of light with Mizar, forming an optical double star. Both Mizar and Alcor are composed primarily of hydrogen and helium, like other stars.