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Definition: An asteroid's absolute magnitude is the visual magnitude an observer would record if the asteroid were placed 1 Astronomical Unit (AU) away, and 1 AU from the Sun and at a zero phase angle.
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neo.jpl.nasa.gov/glossary/h.html
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A star’s absolute magnitude is the apparent magnitude it would have if it were 10 parsecs away (an arbitrarily chosen distance) and there were no intervening gas or dust. Symbol, M (in contrast to the lowercase “m” for apparent magnitude).
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www.sizes.com/units/magnitude_absolute.htm
www.sizes.com/units/magnitude_absolute.htm
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Absolute Magnitude and Luminosity ... If the star was at 10 parsecs distance from us, then its apparent magnitude would be equal to its absolute magnitude. The absolute magnitude is a measure of the star's luminosity---the total amount of energy radiated by the star every second.
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www.astronomynotes.com/starprop/s4.htm
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Absolute magnitude is the magnitude a star would appear to have if it were exactly 10 parsecs away. ... Absolute magnitude is a concept related to apparent_magnitude, and is a subclass of the concept of magnitude as a whole...
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en.wikibooks.org/wiki/GAT:_absolute_magnitude
en.wikibooks.org/wiki/GAT:_absolute_magnitude
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CiteSeerX - Document Details (Isaac Councill, Lee Giles): We derive the absolute magnitude of RR Lyrae stars by two independent maximum-likelihood estimations, using Hipparcos proper motion and parallax data, respectively. ... The Absolute Magnitude Of Rr Lyrae Stars (639)
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citeseer.ist.psu.edu/217673.html
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1.69 Phase shift: 1) The absolute magnitude of the difference between two phase angles. 2) The displacement in time of one periodic-waveform relative to other waveforms. ... 1.69 Phase shift: 1) The absolute magnitude of the difference between two phase angles. 2) The displacement in time of one periodic-waveform relative...
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citeseer.ist.psu.edu/context/2247747/0
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absolute magnitude (H) ... ; Measure of the intrinsic brightness of the object. The fainter is the body, the higher is H. ... The fainter appears the body, the higher is V. Given the absolute magnitude of the object, the apparent magnitude depends on the position of the object relative to the Sun and the observer.
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www.esa.int/gsp/completed/card00_S92/dictionary.html
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A quantity giving an astronomical object's intrinsic brightness on a logarithmic scale. ... A quantity giving an astronomical object's intrinsic brightness on a logarithmic scale. It is defined as the apparent magnitude of an object placed at a distance of 10 parsecs (pc).
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scienceworld.wolfram.com/astronomy/AbsoluteMagnitude.ht...
scienceworld.wolfram.com/astronomy/AbsoluteMagnitude.html
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