absolute magnitude

absolute magnitude
noun Date: 1902 a measure of the intrinsic luminosity of a celestial body (as a star) expressed as the apparent magnitude the body would have if viewed from a distance of 10 parsecs

New Collegiate Dictionary. 2001.

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  • absolute magnitude — n. the apparent magnitude a star would have at a distance of ten parsecs from the observer …   English World dictionary

  • 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 (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 • Topics: ↑astronomy, ↑uranology • Hypernyms: ↑magnitude * * * ˌabsolute ˈmagnitude 7 [absolute magnitude …   Useful english dictionary

  • absolute magnitude — absoliutusis dydis statusas T sritis automatika atitikmenys: angl. absolute magnitude; absolute quantity vok. absolute Größe, f rus. абсолютная величина, f pranc. grandeur absolue, f …   Automatikos terminų žodynas

  • 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

  • absolute magnitude — Astron. the magnitude of a star as it would appear to a hypothetical observer at a distance of 10 parsecs or 32.6 light years. Cf. apparent magnitude. [1900 05] * * * …   Universalium

  • absolute magnitude — noun Astronomy the magnitude (brightness) of a celestial object as it would be seen at a standard distance of 10 parsecs …   English new terms dictionary

  • absolute magnitude — ab′solute mag′nitude n. astron. the magnitude of a star as it would appear to a hypothetical observer at a distance of 10 parsecs or 32.6 light years • Etymology: 1900–05 …   From formal English to slang

  • Absolute Magnitude —    The brightness of a star seen from a distance of ten parsecs. See Parsec …   The writer's dictionary of science fiction, fantasy, horror and mythology

  • Absolute Magnitude (magazine) — Absolute Magnitude is a discontinued, semi professional science fiction magazine started in 1993 under the name Harsh Mistress . However, in 1994 after only two issues the name was changed to Absolute Magnitude . In 2002 the name was changed… …   Wikipedia

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