the magnitude of a star as it appears to an observer on the earth.
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- Compare absolute magnitude.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use apparent magnitude in a sentence
Its approach was indicated, not so much by any perceptible change of position, as by an increase of apparent magnitude.
Its apparent magnitude is -1m.6, nearly the same as that of Mars in his opposition.Lectures on Stellar Statistics | Carl Vilhelm Ludvig Charlier
One of extraordinary brilliancy, having an apparent magnitude equal to that of the full moon, was seen near Cherburg.Meteoric astronomy: | Daniel Kirkwood
I need only refer to the well-known simple optical contrivances for increasing the apparent magnitude of objects.Illusions | James Sully
To some extent this applies to the changes of apparent magnitude due to altered position.Illusions | James Sully
British Dictionary definitions for apparent magnitude
another name for magnitude (def. 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
Scientific definitions for apparent magnitude
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.