SN 2021hpr: A Normal Type Ia Supernova Showing Excess Emission in the Early Rising Phase

SN 2021hpr: A Normal Type Ia Supernova Showing Excess Emission in the Early Rising Phase

We present extensive optical observations of a nearby Type Ia supernova (SN Ia), SN 2021hpr, located in the spiral galaxy NGC 3147 at a distance of ∼45 Mpc. Our observations cover a phase within ∼1–2 days to ∼290 days after the explosion. SN 2021hpr is found to be a spectroscopically normal SN Ia, w...

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Main Authors: Abdusamatjan Iskandar, Xiaofeng Wang, Ali Esamdin, Xiangyun Zeng, Craig Pellegrino, Shengyu Yan, Jialian Liu, Alexei V. Filippenko, D. Andrew Howell, Curtis McCully, Thomas G. Brink, Maokai Hu, Yi Yang, WeiKang Zheng, Guoliang Lü, Jujia Zhang, CuiYing Song, RuiFeng Huang, Rachael C. Amaro, Chunhai Bai, Kyle G. Dettman, Lluís Galbany, Daichi Hiramatsu, Bostroem K. Azalee, Koichi Itagaki, Saurabh W. Jha, Shuguo Ma, David J. Sand, Jennifer E. Andrews, Jacob Jencson, Peter Milne, Jeniveve Pearson, Manisha Shrestha, Nathan Smith, Réka Könyves-Tóth, Samuel Wyatt, Xuan Zhang, Shahidin Yaqup, Letian Wang, Mengfan Zhang
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Supernovae
Type Ia supernovae
Online Access:https://doi.org/10.3847/1538-4357/adb3a4
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https://doi.org/10.3847/1538-4357/adb3a4

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