Luminous Type II Short-plateau SN 2023ufx: Asymmetric Explosion of a Partially Stripped Massive Progenitor

Luminous Type II Short-plateau SN 2023ufx: Asymmetric Explosion of a Partially Stripped Massive Progenitor

We present supernova (SN) 2023ufx, a unique Type IIP SN with the shortest known plateau duration ( t _PT ∼ 47 days), a luminous V -band peak ( M _V = −​​​​​​18.42 ± 0.08 mag), and a rapid early decline rate ( s 1 = 3.47 ± 0.09 mag (50 days) ^−1 ). By comparing observed photometry to a hydrodynamic M...

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Main Authors: Aravind P. Ravi, Stefano Valenti, Yize Dong, Daichi Hiramatsu, Stan Barmentloo, Anders Jerkstrand, K. Azalee Bostroem, Jeniveve Pearson, Manisha Shrestha, Jennifer E. Andrews, David J. Sand, Griffin Hosseinzadeh, Michael Lundquist, Emily Hoang, Darshana Mehta, Nicolás Meza Retamal, Aidan Martas, Saurabh W. Jha, Daryl Janzen, Bhagya Subrayan, D. Andrew Howell, Curtis McCully, Joseph Farah, Megan Newsome, Estefania Padilla Gonzalez, Giacomo Terreran, Moira Andrews, Alexei V. Filippenko, Thomas G. Brink, Weikang Zheng, Yi Yang, Jozsef Vinkó, J. Craig Wheeler, Nathan Smith, Jeonghee Rho, Réka Könyves-Tóth, Claudia P. Gutiérrez
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Core-collapse supernovae
Type II supernovae
Red supergiant stars
Stellar mass loss
Circumstellar matter
Online Access:https://doi.org/10.3847/1538-4357/adb0bb
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https://doi.org/10.3847/1538-4357/adb0bb

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