absolute magnitude

(redirected from Absolute brightness)
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  • noun

Words related to absolute magnitude

(astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32

References in periodicals archive ?
A large majority of the feline neurons tracked by Rossi's team showed the same electrical responses in the two trials to squares of equal perceived brightness, at least as judged by humans, rather than absolute brightness.
For instance, the shift from sunlight to shadow as the day progresses robs the world of absolute brightness, but contrasts of light to dark surfaces remain the same as dusk approaches, allowing individuals to maintain a constant perceptual portrait of their surroundings.
She soon became an expert in determining the absolute brightness of stars.
To benefit science, the SDSS is designed to map a quarter of the sky to produce a detailed image of it and determine the positions and absolute brightness of more than 100 million celestial objects.
SDSS is systematically mapping a quarter of the entire sky to produce a detailed image of it and determine the positions and absolute brightness of more than 100 million celestial objects.