Can the change in temperature explain the bolometric amplitude of the change in the brightness of novae, equal to 13 stars?

Can the change in temperature explain the bolometric amplitude of the change in the brightness of novae, equal to 13 stars? quantities (although this is already refuted by the spectral data)?

In this case, the brightness ratio should be 16 * 10 ^ 4 (T: T1) ^ 4, whence T = 200,000 °, which is incredible.

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