bolometric magnitude
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bolometric magnitude — noun : the magnitude of a star based upon its total radiation in all wavelengths compare bolometer * * * Astron. the magnitude of a star derived either from the total energy that it radiates at all wavelengths or from the total energy of those of … Useful english dictionary
bolometric magnitude — Astron. the magnitude of a star derived either from the total energy that it radiates at all wavelengths or from the total energy of those of its wavelengths that are received on earth. * * * … Universalium
Bolometric Magnitude — The measure of the magnitude of a star or other object as observed from just beyond the Earth s atmosphere over all wavelengths, visible and otherwise … The writer's dictionary of science fiction, fantasy, horror and mythology
Bolometric Correction — In astronomy, a bolometric correction is a correction that must be made to the apparent magnitude of an object in order to convert an object s visible magnitude to its bolometric magnitude. Mathematically, such a calculation can be expressed::… … Wikipedia
magnitude — magnitudinous /mag ni toohd n euhs, tyoohd /, adj. /mag ni toohd , tyoohd /, n. 1. size; extent; dimensions: to determine the magnitude of an angle. 2. great importance or consequence: affairs of magnitude. 3. greatness of size or amount. 4.… … Universalium
bolometric correction — noun The difference between the bolometric magnitude and visual magnitude of a star … Wiktionary
Absolute magnitude — In astronomy, absolute magnitude (also known as absolute visual magnitude) is the apparent magnitude an object would have if it were at a standard luminosity distance (10 parsecs, 1 AU, or 100 km depending on object type) away from the observer,… … Wikipedia
absolute magnitude — noun the apparent magnitude that a star etc. would have if viewed from a distance of 10 parsecs. See Also: apparent magnitude, bolometric magnitude … Wiktionary
apparent magnitude — noun a numerical measure of the brightness of a star, planet etc.; a decrease of 1 unit represents an increase in the light received by a factor of 2.512 See Also … Wiktionary
star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… … Universalium
