https://en.wikipedia.org/wiki/Solar_luminosity

The solar luminosity, L ☉, is a unit of radiant flux conventionally used by astronomers to measure the luminosity of stars, galaxies and other celestial objects in ...

https://en.wikipedia.org/wiki/Sun

The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, ...... Even before it becomes a red giant, the luminosity of the Sun will have nearly doubled, and Earth will receive as much sunlight as Venus receives ...

https://en.wikipedia.org/wiki/Luminosity

In astronomy, this amount is equal to one solar luminosity, represented by the symbol L⊙. A star with four times the radiative power of the sun has a luminosity of 4 L⊙. In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, ...

https://www.britannica.com/science/luminosity

Luminosity: Luminosity, in astronomy, the amount of light emitted by an object in a unit of time. The luminosity of the Sun is 3.846 × 1026 watts (or 3.846 × 1033 ...

http://cfa-www.harvard.edu/~huchra/ay145/units.html

1 kg = 2.20462 lb; 1 Solar Mass = 1.9891x1033 gram = 1.9891x30 kg ... 1 Solar Luminosity = 3.826x1033 ergs/s = 3.826x26 Joules/s = 3.826x26 Watts; 1 Jansky  ...

http://planetfacts.org/what-is-solar-luminosity/

One solar luminosity unit, therefore, is equal to about 3.839×1026 W, or 3.839× 1033 erg/s, or the Sun's commonly accepted luminosity. However, the Sun's ...

https://earthsky.org/astronomy-essentials/stellar-luminosity-the-true-brightness-of-stars

Feb 18, 2017 ... Astronomers often list the luminosity of stars in terms of solar luminosity. The sun has a radius of about 696,000 kilometers, and a surface ...

https://www.astronomynotes.com/starprop/s4.htm

Nov 2, 2010 ... Here are some example apparent magnitudes: Sun = -26.7, Moon ... Star luminosities are specified in units of solar luminosity---relative to the ...

https://socratic.org/questions/how-can-you-calculate-solar-luminosity-of-the-sun-using-earth-s-solar-constant

Jan 19, 2018 ... I = solar Irradiance aka solar constant =1361Wm r= sun-earth ... So the solar luminosity do vary depending on the position of the sun. Another ...

https://physics.tutorvista.com/light/luminosity.html

Total output power of sun is about 3.846 × 1026 W this is known as solar luminosity. Other then radiant power, the metrics used to conceptualize brightness is ...