apparent magnitude(redirected from apparent magnitudes)
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apparent magnitude:see magnitudemagnitude,
in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the dimmest stars
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apparent magnitudeSee magnitude.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
apparent magnitude[ə′pa·rənt ′mag·nə‚tüd]
An index of a star's brightness relative to that of the other stars; it does not take into account the difference in distance between the stars and is not an indication of the star's true luminosity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.