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absolute magnitude
(redirected from Bolometric luminosity)

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absolute magnitude: see magnitude magnitude, 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
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absolute magnitude [′ab·sə‚lüt ′mag·nə·tüd]
(astrophysics)
A measure of the brightness of a star equal to the magnitude the star would have at a distance of 10 parsecs from the observer.
The stellar magnitude any meteor would have if placed in the observer's zenith at a height of 100 kilometers.
(mathematics)
The absolute value of a number or quantity.
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381 QB981 With a focus on how mid-infrared spectroscopy can explain the contribution of star formation and active galactic nuclei to the bolometric luminosity of individual extragalactic sources, these proceedings of the November 2005 conference provide an overview of the roles of both infrared imaging and spectroscopy in studying astrophysical environments.
Infrared diagnostics of galaxy evolution; proceedings by SciTech Book News
 
 
 
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