SN 2021foa: The "Flip-Flop" Type IIn / Ibn supernova

We present a comprehensive analysis of the photometric and spectroscopic evolution of SN~2021foa, unique among the class of transitional supernovae for repeatedly changing its spectroscopic appearance from hydrogen-to-helium-to-hydrogen-dominated (IIn-to-Ibn-to-IIn) within 50 days past peak brightne...

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Hauptverfasser:	Farias, D, Gall, C, Narayan, G, Rest, S, Villar, V. A, Angus, C. R, Auchettl, K, Davis, K. W, Foley, R, Gagliano, A, Hjorth, J, Izzo, L, Kilpatrick, C. D, Perkins, H . M. L, Ramirez-Ruiz, E, Ransome, C. L, Sarangi, A, Yarza, R, Coulter, D. A, Jones, D. O, Khetan, N, Rest, A, Siebert, M. R, Swift, J. J, Taggart, K, Tinyanont, S, Wrubel, P, de Boer, T. J. L, Clever, K. E, Dhara, A, Gao, H, Lin, C. -C
Format:	Artikel
Sprache:	eng
Schlagworte:	Physics - High Energy Astrophysical Phenomena
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