Radiation temperature

Japanese: 放射温度 - ほうしゃおんど(英語表記)radiation temperature
Radiation temperature
The temperature of a radiating body such as a star, determined using Planck's law of radiation based on the total amount of radiant energy over all wavelengths, or the distribution of radiant energy at each wavelength. There are effective temperature, brightness temperature, color temperature, etc. In astronomy, in addition to effective temperature, color temperature determined from the distribution of a star's light in the visible range, and brightness temperature, which expresses the strength of a radio wave source as a temperature, are also used.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
放射(輻射(ふくしや))エネルギーを全波長域で加えた総量,または各波長での放射エネルギーの分布から,プランクの放射則などを使ってきめた恒星など放射体の温度をいう。有効温度effective temperature,輝度温度brightness temperature,色温度color temperatureなどがある。天文学では有効温度のほか恒星の光の可視域での分布からきめた色温度,電波源の電波の強さを温度で表す輝度温度などが用いられる。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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