Web Results

## Luminosity - Wikipedia

en.wikipedia.org/wiki/Luminosity

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

astronomyonline.org/Science/Luminosity.asp

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

## EQUATIONS HELP

janus.astro.umd.edu/astro/equations/help.html

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

astro.unl.edu/classaction/questions/stellarprops2/ca_stellarprops2_luminosity.html

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 ...

www.e-education.psu.edu/astro801/content/l4_p4.html

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

www.idialstars.com/april2013.htm

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  ...

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

www.atnf.csiro.au/outreach/education/senior/astrophysics/photometry_luminosity.html

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