absolute magnitude


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absolute 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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absolute magnitude

See magnitude.

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.
References in periodicals archive ?
Consistent with the magnet hypothesis, the absolute magnitude of [[phi].sub.0] is higher in the limit period than the no-limit period for both upper and lower limits.
We develop separate change measures of absolute magnitude and relative magnitude, which are the difference in the number of Japanese FDIs and the annual growth rate of Japanese FDIs (by industry), respectively.
By Absolute magnitude, astronomers mean the apparent magnitude that a star would have if it was situated a standard distance of 36.2 light-years from Earth.
Recognizing the Relative and Absolute Magnitude of Numbers
The potential error in growth estimates will then be directly proportional to both the relative and absolute magnitude of shrinkage.
We find that accrual quality is negatively related to the absolute magnitude of accruals, the length of the operating cycle, loss incidence, and the standard deviation of sales, cash flows, accruals, and earnings, and positively related to firm size.
Number sense involves the ability to recognize the relative and absolute magnitude of numbers (Sowder 1992).
Bearing the burden While smaller in absolute magnitude than the costs associated with environmental, economic, and tax compliance regulations, workplace regulations nevertheless represent a significant burden on all Americans.
"Whilst the absolute magnitude of the economic impact seems large, it is 2percent of the regional turnover and less than 1percent of total regional employment.
If it is assumed that interstellar extinction is negligible then the surface brightness and absolute magnitude of NGC 6210 can be determined.
However, although an order of magnitude lower in absolute magnitude of warp deformation and stress, CuW structures exhibited significant changes in warp deformation (36 to 50 percent) for both base-flange thickness and assembly brazing/process temperature.
For example, about two-thirds of annual job creation and destruction are accounted for by establishments with growth rates above 25 percent in absolute magnitude. Of this group, plant start-ups account for 12 percent of annual job creation, while plant shutdowns account for about 23 percent of annual job destruction.