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Circumstellar Interaction Signatures in the Low-luminosity Type II SN 2021gmj

We present comprehensive optical observations of SN 2021gmj, a Type II supernova (SN II) discovered within a day of explosion by the Distance Less Than 40 Mpc survey. Follow-up observations show that SN 2021gmj is a low-luminosity SN II (LL SN II), with a peak magnitude M _V = −15.45 and an Fe ii ve...

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Autores principales: Nicolás Meza-Retamal, Yize Dong, K. Azalee Bostroem, Stefano Valenti, Lluís Galbany, Jeniveve Pearson, Griffin Hosseinzadeh, Jennifer E. Andrews, David J. Sand, Jacob E. Jencson, Daryl Janzen, Michael J. Lundquist, Emily T. Hoang, Samuel Wyatt, Peter J. Brown, D. Andrew Howell, Megan Newsome, Estefania Padilla Gonzalez, Craig Pellegrino, Giacomo Terreran, Vladimir Kouprianov, Daichi Hiramatsu, Saurabh W. Jha, Nathan Smith, Joshua Haislip, Daniel E. Reichart, Manisha Shrestha, F. Fabián Rosales-Ortega, Thomas G. Brink, Alexei V. Filippenko, WeiKang Zheng, Yi Yang
Formato: Artigo
Lenguaje:Inglês
Publicado: IOP Publishing 2024-01-01
Colección:The Astrophysical Journal
Materias:
Core-collapse supernovae
Type II supernovae
Circumstellar matter
Stellar mass loss
Red supergiant stars
Acceso en línea:https://doi.org/10.3847/1538-4357/ad4d55
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