B How much heat energy can give out put by ionization gas?

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Ionized gas, or plasma, can transfer significant energy, particularly when accelerated electrons and ions interact at high energy levels. The maximum temperature achievable through ionization depends on various factors, including the type of gas and the energy applied. Ionization creates positive ions and free electrons, with an average energy requirement of 30–40 eV to form an ion pair. The discussion highlights the complexity of quantifying heat energy output from ionized gases, suggesting that the original question may be too vague for a precise answer. Understanding these dynamics is essential for applications involving ionized gases.
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ionization gas
I mean by accelerating electrons and ions for energy levels in atom
 
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Flame is ionized gas. You can transfer a lot of energy by setting something on fire.
 
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How much maximum temperature can give ioniztion gas
 
What you wrote is not a sentence, and I don't understand it. I suspect, however, the question is too vague to answer.
 
Measuring the temperatures of bright (visible spectrum) cosmic objects would use spectral analysis. But temperatures of IR (warm / hot) radiators is done using Stefan's Law with radiometric cameras. There seems no reason why suitable filters couldn't be used to find the black body temperature using the ratio of two measured intensities after the fashion of colour TV cameras. Why? Could it be to do with the actual size of IR filters to mount on a two channel image sensor array? I'm sure there...

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