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Luminosity - Wikipedia


The Stefan–Boltzmann equation applied to a black body gives the value for luminosity for a black body, an idealized object ...

Formulas - Luminosity - Astronomy Online


Science - Formulas. ... Physics - Formulas - Luminosity ... if we know distance and brightness of a star, we can determine its Luminosity (or actual brightness):.



This equation allows you to find the energy of a moving object if its mass and velocity are ... VARIABLES: L, is Luminosity of the emitter, (in Joules per second).

Luminosity Formula - UNL Astronomy


Luminosity Formula. The student is given the radius/temperature/luminosity of a star as compared to the sun and is asked to determine what the ...

Luminosity and Apparent Brightness | Astronomy 801: Planets, Stars ...


The difference between luminosity and apparent brightness depends on distance . ... Thus, the equation for the apparent brightness of a light source is given by ...

Luminosity of Stars: Radius & Surface Temperature


The luminosity of a star depends upon radius and surface temperature. ... In the equation below L = luminosity and R = radius. Let's say the radius of the star is 5  ...

www.ask.com/youtube?q=Luminosity Formula&v=CaE-OhJetkw
Dec 26, 2012 ... Luminosity of a Star. ... Introductory Astronomy: Luminosity, Temperature, and Surface Area - Duration: 16:15. P.E. Robinson 5,824 views. 16:15.

Absolute Magnitudes


The brightness of a star of a given luminosity L, radiated in all directions, falls ... The basic formula relating the apparent (m) and absolute (M} magnitudes then is.

Luminosity of Stars - Australia Telescope National Facility


How is this equation derived? It is simply an application of the luminosity ratio relationship (4.7).

Finding the Radius of a Star - SDSS SkyServer


The luminosity of a star is given by the equation. L = 4pR<sup>2</sup>s T<sup>4</sup>,. Where L is the luminosity in Watts, R is the radius in meters, s is the Stefan-Boltzmann constant