Hydrogen-poor Superluminous Supernovae in the Nebular Phase: Spectral Diversity Due to Ejecta Ionization as a Probe of the Power Source

We present a large sample of 39 nebular-phase optical spectra of 25 hydrogen-poor superluminous supernovae (SLSNe-I) and jointly analyze them with previously published spectra of 12 events. We measure the properties of key emission features, namely, those at 6300, 7300, and 7774 Å (associated with [...

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Detalles Bibliográficos

Autores principales:	Peter K. Blanchard, Edo Berger, Sebastian Gomez, Matt Nicholl, Ryan Chornock, Harsh Kumar, Raffaella Margutti, Daichi Hiramatsu, Huei Sears
Formato:	Artigo
Lenguaje:	Inglês
Publicado:	IOP Publishing 2026-01-01
Colección:	The Astrophysical Journal
Materias:	Supernovae Core-collapse supernovae
Acceso en línea:	https://doi.org/10.3847/1538-4357/ae3d09
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