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Explaining the Early Excess Emission of the Type Ia Supernova 2018oh by the Interaction of the Ejecta with Disk-originated Matter

  • Authors: Naveh Levanon, and Noam Soker

2019 The Astrophysical Journal Letters 872 L7.

  • Provider: AAS Journals

Caption: Figure 4.

Fitting the light curve with a two-component DOM model. Plot markings as in Figure 2, with fluxes of each separate component in dotted–dashed magenta. The first DOM component (upper magenta line) has a velocity of 5000 km s−1 and matches the earliest part of the light curve. The second DOM component (lower magenta line) has a velocity of 10,000 km s−1 and the ejecta shocks it later than the first component, adding less flux at a later time compared to the first component.

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