Temperatura Efetiva

T = (L/(4πR²σ))^(1/4).
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

T
5.771 K

Formula

T efetiva

About this calculator

The Effective Temperature calculator is a useful tool for calculating the temperature of an object in astrophysics. It uses the formula T = (L/(4πR²σ))^(1/4), where L is the luminosity of the object, R is the radius of the object, and σ is the Stefan-Boltzmann constant.

This calculator is particularly useful for studying stars and other celestial objects, as it allows you to calculate the surface temperature based on the luminosity and radius of the object. Additionally, it is essential to be careful when entering values, as the accuracy of the answer depends on the accuracy of the input data.

Effective Temperature is an important concept in astrophysics, as it helps to understand the energy emitted by celestial objects. It can be used to calculate the temperature of stars, planets, and other objects, which is fundamental to understanding their composition and behavior.

It is worth noting that the Effective Temperature calculator assumes that the object in question is a perfect sphere, which may not always be the case. However, this simplification is often sufficient to obtain a good estimate of the effective temperature of an object.

Frequently asked questions

What is effective temperature?

Effective temperature is the temperature an object would have if it emitted radiation according to the Stefan-Boltzmann law.

How to calculate effective temperature?

Effective temperature can be calculated using the formula T = (L/(4πR²σ))^(1/4), where L is the luminosity of the object, R is the radius of the object, and σ is the Stefan-Boltzmann constant.

What are the applications of effective temperature?

Effective temperature is used in astrophysics to calculate the temperature of stars, planets, and other celestial objects.

How to enter values in the calculator?

Values should be entered with care, as the accuracy of the answer depends on the accuracy of the input data. Make sure to use the correct units for each value.

What is the Stefan-Boltzmann constant?

The Stefan-Boltzmann constant is a physical constant that relates the energy emitted by an object to its temperature.

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