The detonation of a sub-Chandrasekhar-mass white dwarf at the origin of the low-luminosity Type Ia supernova 1999by

<p>Multi-epoch spectra of the MCh model DDC25 and the sub-MCh model SCH2p0 used to confront to SN 1999by observations in <a href="https://ui.adsabs.harvard.edu/abs/2018MNRAS.474.3931B">Blondin et al. 2018, MNRAS, 474, 3931</a>. These files also include the input hydrodynamical models at 0.5 d (for DDC25) and 0.75 d (for SCH2p0) past explosion.</p>