Amancio Ortega's last name is Gaona, which he dropped in 1954.
Omicron2 Canis Majoris -LRB- ο ² CMa , ο ² Canis Majoris -RRB- is a star in the constellation Canis Major .. Canis Major. Canis Major. star. star. constellation. constellation. Since 1943 , the spectrum of this star has served as one of the stable anchor points by which other stars are classified .. star. star. spectrum. spectrum. It has an apparent visual magnitude of 3.043 , making it one of the brighter members of the constellation .. constellation. constellation. apparent visual magnitude. apparent visual magnitude. The distance to this star is roughly 2,800 light years -LRB- 800 parsecs -RRB- , with a 34 % margin of error .. star. star. margin of error. margin of error. This is a massive supergiant star with a stellar classification of B3 Ia , indicating that , at the age of around 7 million years , it has exhausted the supply of hydrogen at its core and is now undergoing nuclear fusion of helium to generate energy .. star. star. supergiant. supergiant. stellar classification. stellar classification. nuclear fusion. nuclear fusion. It has about 21 times the mass of the Sun and 65 times the Sun 's radius .. In all likelihood , it will end its life as a Type II supernova .. Type II supernova. Type II supernova. Omicron2 Canis Majoris is one of the most luminous stars known , as it radiates about 220,000 times as much luminosity as the Sun from its outer envelope at a temperature of 15,500 K .. most luminous stars. List of most luminous stars. outer envelope. stellar atmosphere. At this heat , the star is glowing with the blue-white hue of a B-type star .. star. star. This star is classified as an Alpha Cygni-type variable star that undergoes periodic non-radial pulsations , which cause its brightness to cycle from magnitude +2.93 to +3.08 over a 24.44 day interval .. star. star. Alpha Cygni-type. Alpha Cygni variable. variable star. variable star. It is losing mass from its stellar wind at the rate of around times the mass of the Sun per year , or the equivalent of the Sun 's mass every 500 million years .. stellar wind. stellar wind. While this star lies in the field of view of the open cluster named Collinder 121 , it is unlikely to be a member .. star. star. open cluster. open cluster. In fact , its optical neighbor , the orange supergiant ο1 Canis Majoris has a much higher likelihood of 23.1 % based upon its proper motion being a closer match to the motion of the cluster .. supergiant. supergiant. proper motion. proper motion. Although they are located near each other on the celestial sphere , ο1 CMa and ο2 CMa are most likely not gravitationally bound to each other as they appear to lie many light years apart .. celestial sphere. celestial sphere. gravitationally bound. gravitationally bound