Final Moments. II. Observational Properties and Physical Modeling of Circumstellar-material-interacting Type II Supernovae

V. Jacobson-Galán, W.; Dessart, Luc; W. Davis, Kyle; D. Kilpatrick, C.; Margutti, R.; J. Foley, R.; Chornock, R.; Terreran, G.; Hiramatsu, D.; Newsome, Megan; Padilla Gonzalez, Estefania; Pellegrino, C.; A. Howell, D.; V. Filippenko, A.; P. Anderson, J.; R. Angus, C.; Auchettl, Katie; Azalee Bostroem, K.; G. Brink, Thomas; Cartier, R.; A. Coulter, D.; de Boer, Thomas; R. Drout, M.; Earl, N.; Ertini, K.; Farah, Joseph; Farias, D.; Gall, C.; Gao, Hua; Gerlach, Manfred; Guo, Fengjun; Haynie, Annastasia; Hosseinzadeh, G.; L. Ibik, Adaeze; W. Jha, Saurabh; O. Jones, D.; Langeroodi, Danial; LeBaron, Natalie; A. Magnier, E.; L. Piro, Anthony; I. Raimundo, S.; Rest, A.; Rest, S.; Michael Rich, R.; Rojas-Bravo, C.; Sears, Huei; Taggart, K.; Ashley Villar, V.; J. Wainscoat, R.; Wang, X-F.; R. Wasserman, A.; Yan, Shengyu; Yang, Yi; Zhang, Jujia; Zheng, WeiKang

doi:10.3847/1538-4357/ad4a2a

Public

Final Moments. II. Observational Properties and Physical Modeling of Circumstellar-material-interacting Type II Supernovae

Published in The Astrophysical Journal • Jul 31, 2024

Authors:

W. V. Jacobson-Galán

Luc Dessart

Kyle W. Davis

Abstract

Abstract We present ultraviolet/optical/near-infrared observations and modeling of Type II supernovae (SNe II) whose early time ( δ t < 2 days) spectra show transient, narrow emission lines from shock ionization of confined ( r < 10 15 cm) circumstellar material (CSM). The observed electron-scatteri...

Subject

Physics

Astrophysics

Supernova

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