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A Quantitative Method to Investigate the Spectral Class Time Evolution of Novae

  • Authors: M. Kopsacheili, M. Guerrero, D.A. Vasquez-Torres

M. Kopsacheili et al 2026 The Astrophysical Journal 1012 .

  • Provider: AAS Journals

Caption: Figure 3.

Upper panel: V light curves of the novae that show a tendency to evolve from the Fe II–dominated to the He/N-dominated phase, although κ never crosses unity. Lower panel: evolution of κFeII (blue) and κHe/N (red). The gray dashed lines indicate the epochs of the available spectra.

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