SN 2014C: A Metamorphic Supernova Exploded in the Intricate and Hydrogen-rich Surroundings

• Published in: The Astrophysical journal Vol. 978; no. 2; pp. 163 - 181
• Main Authors: Zhai, Qian, Zhang, Jujia, Lin, Weili, Mazzali, Paolo, Pian, Elena, Benetti, Stefano, Tomasella, Lina, Liu, Jialian, Li, Liping
• Format: Journal Article
• Language: English
• Published: The American Astronomical Society 10.01.2025; IOP Publishing
• Subjects: Core-collapse supernovae; Supernovae; Type Ib supernovae

We present photometric and spectroscopic observations of supernova (SN) SN 2014C, primarily emphasizing the initial month after the explosion at approximately daily intervals. During this time, it was classified as a Type Ib SN exhibiting a notably higher peak luminosity ( L peak  ≈ 4.3 × 10 42 erg...