A compendium of spherical astronomy with its applications to the determination and reduction of positions of the fixed stars (1906)
Newcomb, Simon, 1835-1909 · New York, The Macmillan company; London, Macmillan and co., ltd. · leaf 85
or assumed values of the elements a, b, c, etc.,to find the values of x, y, z, etc., at any time. II. From a series of observed values of x, y, z, etc., to find thevalues of the elements. If nearly correct values of the elements are known, we maycompare the values of x, y, z, etc., computed from… … Fie. 3. As an example, let us take the case of an object P, moving ina circle of radius a around a centre 0 with a uniform motion.If we put b for the angle XOW at a certain given moment fromwhich we count the time, which moment we call the epoch, andc for the arc through which the object moves in…
Spherical astronomy · Stars
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