JUNE08G

JUNE 2008

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parameter value remarks

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name pi-2 UMa also 4 Ursae Majoris

HD number 73108 Henry Draper catalog number

Rt Ascn 08h40.2m E/W celestial coordinate

Declinatn +64d20m N/S celestial coordinate

App magn 5.8 brightness rating, near bare-eye limit

Dist LY 252 well beyond other Big Dopper stars

Sun magn 9.2 Sun brightness seen from star

mass 7.1 in units of Jupiter mass

radius 0.87 in units of Earth orbit radius

period 69.3 in units of earth days

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