TL;DR
This paper develops a detailed self-similar model for supernova ejecta interacting with circumstellar material and integrates it into an open-source fitting tool for transient light curves.
Contribution
It introduces a new self-similar solution for supernova and circumstellar medium interaction and implements it into MOSFiT for improved transient analysis.
Findings
Provides a comprehensive self-similar solution for supernova-CSM interaction
Enables better fitting of supernova light curves with circumstellar interaction
Enhances the modeling capabilities of MOSFiT for Type IIn supernovae
Abstract
In this note, we present a detailed self-similar solution to the interaction of a uniformly expanding gas and a stationary ambient medium, with an application to supernovae interacting with preexisting circumstellar media (Type IIn SNe). We implement the generalized solution into the Modular Open Source Fitter for Transients (MOSFiT), an open-source Python package for fitting extragalactic transient light curves.
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