An Etymological Dictionary of Astronomy and Astrophysics
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Flux of radiation that falls on a detector per unit surface area of the detector per unit bandwidth of the radiation per unit time.

→ flux; → density.

A vector quantity measuring the strength and direction of the magnetic field. It is the → magnetic flux per unit area of a magnetic field at right angles to the magnetic force. Magnetic flux density is expressed in → teslas. Also called → magnetic induction.

→ magnetic; → flux; → density.

The flux of → radio waves that falls on a → detector per → unit → surface area of the detector per unit → bandwidth of the radiation per unit → time. The unit is → jansky.

→ radio; → flux; → density.