THETA URSAE MAJORIS
'Theta Ursae Majoris' (θ UMa / θ Ursae Majoris) is a binary star in the constellation Ursa Major. It is approximately 44.0 light years from Earth. It also has the traditional names 'Al Haud' and 'Sarir'.
The primary component, 'Theta Ursae Majoris A', is a yellow-white F-type subgiant with an apparent magnitude of +3.17. The 14th magnitude companion star is 4.1 arcseconds away from the primary.
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External links
★ Theta Ursae Majoris by Professor Jim Kaler.
See also
★ Sarir - a medieval state
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