From John Greaves: === Taichi Kato wrote : > If type NA and NB comprise a continuum (as already suggested from the > difficulty in numerically resolving them), any trial to distignish them > would be simply superficial. Yes, the known t2 of novae has a variety > with a dynamic range of an order of 10^2. ... > I don't argue against the usage of T2 or T3 for as a measure of nova > decline rate. My assertion is that simply correlating T2/T3 with historical > nova classification scheme will not be highly productive. Thanks for the perspective. The above probably well explains why this aspect of nova phenomonology has never been followed up deeply. Cheers John

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