...successive culminations of a star, whose time of culmination is £, equal to: 24« -+- 246 (12+ t—T} = u. If we compute therefore the coefficient of b for...time t" — t' we find then by means of the formula: ;/ ; ui ^'-M" ] and we must correct every interval of time t" — t' according to this. In case that...

...rotational velocity per mean solar day at any latitude i£, and a and b are constants. Determining the values of a and b by the method of least squares, from the six mean spectrographic velocities, Duner deduced the following equation : ( cos 4 = 10°.491...

...various experimenters become comparable. The general equation of the straight line is y=ax + b . (1) The values of a and b by the method of least squares are _nSxy— : Sx2Sy— (6) where n= number of points plotted and 2x, 2y, 2xy 2x2 etc., represent the...