question about binary star mass eqn (1 Viewer)

[aussiechick007]

hey... just a couple of questions...

what units should T be in?

and does 4pie^2 / G = 1?

does T have to be in years for that constant to be = 1?

thanks

 

[henry08]

4pie^2/G where G = gravitational constant (6.67 x 10^-11) does not equal 1. T is in seconds.

 

[aussiechick007]

ah ok cool thanks