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White dwarf supernova luminosity

Type Ia supernovae are not standard candles in the sense that all such supernovae have the same luminosity. This is also the case for other standard candles such as Cepheids. What we can say, is that ...
ProfRob's user avatar
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White dwarf supernova luminosity

Yes. It does mean that. Double degenerate type 1a supernova would create supernovae of significantly different luminosity, and hence, in the words of Wikipedia, "raise questions about the ...
James K's user avatar
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