Theta Ursae Majoris [SEP] constellation
Theta Ursae Majoris
Theta Ursae Majoris (Theta UMa, θ Ursae Majoris, θ UMa) is a suspected spectroscopic binary star system in the northern circumpolar constellation of Ursa Major. It has an apparent visual magnitude of 3.17, placing it among the brighter members of this constellation. The distance to this star has been measured directly using the parallax method, yielding an estimated value of .
In 1976, this was reported as a spectroscopic binary system by Helmut A. Abt and Saul G. Levy, giving it an
round. The numbers in parentheses beside some of the players are their seeding ranks (each championship has 16 seeds and 16 qualifiers).
Century breaks.
There were 35 century breaks in the championship, a new record beating the 31 centuries of 1991. The highest break of the event was a 144 made by Steve Davis.
- 144 Steve Davis
- 139, 122, 101 Nigel Bond
- 138, 106 Steve James
- 136, 129, 128, 126, 124, 123, 113