Zeta Ursae Minoris [SEP] constellation
Zeta Ursae Minoris
Zeta Ursae Minoris (ζ UMi, ζ Ursae Minoris) is a star in the constellation Ursa Minor. It is a white stellar class A-type main sequence star with an apparent magnitude of +4.28. It is approximately 380 light years from Earth.
Despite its classification as a main sequence dwarf star, Zeta UMi is 3.4 times the mass of the sun and its luminosity is about 200 solar luminosities. At a surface temperature of 8,700 kelvins, this star is actually on the verge of becoming a
Ahfa al Farkadain is traditionally applied to Zeta Ursae Minoris). Gamma Ursae Minoris was mostly called "Pherkad Major" to distinguish it from "Pherkad Minor" (11 Ursae Minoris). In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) to catalogue and standardize proper names for stars. The WGSN approved the name "Pherkad" for Gamma Ursae Minoris on 21 August 2016 and it is now so included in the List of IAU-approved Star Names.
In Chinese, ()