Lines evolution
Spectra : LISA spectra in ARAS Data Base http://www.astrosurf.com/aras/Aras_DataBase/Novae/Nova-Del-2013.htm
Resolution R = 1000
Spectra de-reddened with E(B-V) = 0.2
Flux in erg/cm^2/s
Abcisse : JD - 2450000
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