apparent magnitude


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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 magnitude

See magnitude.

apparent magnitude

[ə′pa·rənt ′mag·nə‚tüd]
(astronomy)
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.
References in periodicals archive ?
The sun is the brightest celestial object as seen from Earth, with an apparent magnitude of -26.
3 light years removed from the nearest star with an apparent magnitude greater than that of any one of its resident celebrities, the big-ticket ski resort and up-market, bohemian hideaway owed its reputation to a brand of renegade income that only the glamour professions could provide.
In spite of the large amount of attention given to NGC 7027, it appears that its apparent magnitude is not well known.