- luminosity-mass relation
- Техника: соотношение между массой и светимостью
Универсальный англо-русский словарь. Академик.ру. 2011.
luminosity-mass relation
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Mass–luminosity relation — In astrophysics, the mass–luminosity relation is an equation giving the relationship between a star s mass and its luminosity. The relationship is represented by the equation: where L⊙ and M⊙ are the luminosity and mass of the sun and… … Wikipedia
Tully-Fisher relation — In astronomy, the Tully Fisher relation, published by astronomers R. Brent Tully and J. Richard Fisher in 1977, is an empirical relationship between the intrinsic luminosity (proportional to the stellar mass) of a spiral galaxy and its velocity… … Wikipedia
Faber-Jackson relation — The Faber Jackson relation is an early empirical power law relation between the luminosity L and the central stellar velocity dispersion sigma of elliptical galaxies, first noted by the astronomers Sandra M. Faber and Robert Earl Jackson in 1976 … Wikipedia
M-sigma relation — The M sigma (or MBH σ) relation is an empirical correlation between the stellar velocity dispersion σ of a galaxy bulge and the mass M of the supermassive black hole at the galaxy s center. The relation can be expressed mathematically as A recent … Wikipedia
Planetary nebula luminosity function — (PNLF) is a secondary distance indicator used in astronomy. It makes use of the [O III| [O III] λ5007 forbidden line found in all planetary nebula which are members of the old stellar populations (Population… … Wikipedia
Initial mass function — The initial mass function (IMF) is an empirical function that describes the mass distribution (the histogram of stellar masses) of a population of stars in terms of their theoretical initial mass (the mass they were formed with). The properties… … Wikipedia
Intermediate-mass black hole — An Intermediate mass black hole (IMBH) is a black hole whose mass is significantly more than stellar black holes (a few tens of the mass of the Sun) yet far less than supermassive black holes (a few millions of the mass of the Sun). There is less … Wikipedia
Main sequence — A Hertzsprung Russell diagram plots the actual brightness (or absolute magnitude) of a star against its color index (represented as B V). The main sequence is visible as a prominent diagonal band that runs from the upper left to the lower right.… … Wikipedia
Milky Way Galaxy — Large spiral galaxy (roughly 150,000 light years in diameter) that contains Earth s solar system. It includes the multitude of stars whose light is seen as the Milky Way, the irregular luminous band that encircles the sky defining the plane of… … Universalium
Chandrasekhar limit — When a star starts running out of fuel, it usually cools off and collapses (possibly with a supernova) into one of three compact forms, depending on its total mass: a White Dwarf, a big lump of Carbon and Oxygen atoms, almost like one huge… … Wikipedia
Epsilon Indi — Starbox begin name=Epsilon IndiStarbox observe epoch = J2000.0 (ICRS) constell = Indus ra = RA|22|03|21.6571cite web url=http://simbad.u strasbg.fr/simbad/sim id?Ident=epsilon%20indi title=SIMBAD Query Result: LHS 67 High proper motion Star… … Wikipedia
