No plateau observed in late-time near-infrared observations of the underluminous Type Ia supernova 2021qvv

O. Graur, E. Padilla Gonzalez, J. Burke +23

Near-infrared (NIR) observations of normal Type Ia supernovae (SNe Ia) obtained between 150 to 500 d past maximum light reveal the existence of an extended plateau. Here, we presen…