What is Gamma Ursae Majoris?
'''Gamma Ursae Majoris''', also called '''Phad''' or '''Phecda''', is a white [[star]] in the exclusively northern [[constellation]] of [[Ursa Major]], with a smaller companion star.<ref>{{cite journal | url=https://doi.org/10.1093%2Fmnras%2Fsts257 | doi=10.1093/mnras/sts257 | title=Circumstellar habitable zones of binary-star systems in the solar neighbourhood | year=2013 | last1=Eggl | first1=S. | last2=Pilat-Lohinger | first2=E. | last3=Funk | first3=B. | last4=Georgakarakos | first4=N. | last5=Haghighipour | first5=N. | journal=Monthly Notices of the Royal Astronomical Society | volume=428 | issue=4 | pages=3104–3113 }}</ref> The primary white star is 3 times wider than the [[Sun]].<ref>{{cite journal | url=https://doi.org/10.1086%2F427855 | doi=10.1086/427855 | title=Determining the Physical Properties of the B Stars. II. Calibration of Synthetic Photometry | year=2005 | last1=Fitzpatrick | first1=E. L. | last2=Massa | first2=D. | journal=The Astronomical Journal | volume=129 | issue=3 | pages=1642–1662 | s2cid=119512018 }}</ref> == References == {{Reflist}} [[Category:Stars]] {{Science-stub}} {{Physics-stub}}