absolute magnitude


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absolute magnitude

n.
The intrinsic brightness of a celestial body, measured in magnitudes, computed as if viewed from a distance of 10 parsecs, or 32.6 light years.

absolute magnitude

n
(Astronomy) the apparent magnitude a given star would have if it were situated at a distance of 10 parsecs (32.6 light years) from the earth

ab′solute mag′nitude


n.
the magnitude of a star as it would appear to a hypothetical observer at a distance of 10 parsecs or 32.6 light-years.
[1900–05]

absolute magnitude

A star’s size when seen from a distance of 10 parsecs.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.absolute magnitude - (astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32.62 light years) from the earthabsolute magnitude - (astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32.62 light years) from the earth
magnitude - the property of relative size or extent (whether large or small); "they tried to predict the magnitude of the explosion"; "about the magnitude of a small pea"
astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole
References in periodicals archive ?
"Specifically, all asteroids with a minimum orbit intersection distance of 0.5 [astronomical units] or less and an absolute magnitude of 22.0 or less are considered PHAs."
Therefore, the effect of LDL-C on the risk of ASCVD appears to be determined by both the absolute magnitude and the total duration of exposure to LDL-C.'
While this is largely due to the overall population numbers that are highest in these two provinces, the absolute magnitude of children out of school in the two provinces presents an enormous challenge for the state.
Planetary scientists start with the absolute magnitude H, the brightness a fully illuminated body would have if it were 1 astronomical unit from both the Sun and Earth.
The change supported the hypothesis that including human capital as part of potential loss increased the absolute magnitude of the effect upon disaster risk.
Pixel values at each point in the output represent the estimated absolute magnitude of the spatial gradient of the input image at that point.
Each star within the constellation was represented through different heights (distance as measured by light years from earth) and a range of colours relating to the apparent and absolute magnitude or brightness of the stars that make up the constellation.
The absolute magnitude of effects of both heat treatment temperature and ash content are one order of magnitude higher than the absolute magnitude of the effect of pressing pressure.
Lorenz found that the impact of errors with equal absolute magnitude was similar whether the errors initially appeared at the smallest scale (his experiment A) or the largest scale (his experiment B).
The absolute magnitude of value sales growth rates is also threatened by substitutable products.
The lads are fresh from their first festival slot at Indiependence and currently working on their second album - without having released any singles from their debut Absolute Magnitude.
Fortunately, the absolute magnitude H is related to size.