radial velocity

noun

the component of the velocity of an object, esp a celestial body, directed along a line from the observer to the object

The upper curve shows the radial velocity of the star during the650 period of variation.

The ninth column gives the proper motion (μ), the tenth the radial velocity W expressed in sir.

The following table contains all stars with a radial velocity greater than 20 sir.

A large radial velocity seems therefore to be a galactic phenomenon and to be correlated to a great distance from us.

The radial velocity is, numerically, greater than could have been supposed.

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