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apparent magnitude

noun, Astronomy
1.
the magnitude of a star as it appears to an observer on the earth.
Origin of apparent magnitude
1870-1875
1870-75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for apparent magnitude
Historical Examples
  • Thus he looks down, as it were, upon the heaviest seas, and this greatly diminishes their apparent magnitude and elevation.

    Rollo on the Atlantic Jacob Abbott
  • Its distance then can be determined by contrasting its actual candle power with the apparent magnitude as seen from the earth.

  • The inward grace required must not be measured by the apparent magnitude of the burden, but the strength of the sustainer.

    Patience James W. Alexander
  • The comet of 1652, so carefully observed by Hevelius, almost equaled the moon in apparent magnitude.

    Comets and Meteors Daniel Kirkwood
  • A fast reading with the photocell gave me the apparent magnitude and a comparison with its absolute magnitude showed its distance.

    The Repairman Harry Harrison
  • The sun on this scale of comparative brightness is of the -26.7 apparent magnitude.

    Astronomy for Young Folks Isabel Martin Lewis
  • The apparent magnitude of an object depends upon the angle which it subtends to the eye of the observer.

  • The apparent magnitude of its nucleus was three times greater than that of Jupiter.

    Comets and Meteors Daniel Kirkwood
  • All stars having an apparent magnitude brighter than 4m are directly drawn.

    Lectures on Stellar Statistics Carl Vilhelm Ludvig Charlier
  • There are in all, in the sky, 20 stars having an apparent magnitude brighter than 1m.5.

    Lectures on Stellar Statistics Carl Vilhelm Ludvig Charlier
British Dictionary definitions for apparent magnitude

apparent magnitude

noun
1.
another name for magnitude (sense 4)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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apparent magnitude in Science
apparent magnitude  
See under magnitude.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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