magnitude ratio

magnitude ratio

[′mag·nə‚tüd ¦rā·shō]
(astronomy)
The ratio (2.512) of relative brightness of two celestial bodies differing in magnitude by 1.0.
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References in periodicals archive ?
Two metrics evaluated change in pressure magnitude: medial magnitude ratio and pressure sum ratio.
The region behind the upper portion of the front also has a relatively high magnitude ratio error, though not as severe as in the corner.