Optical and Near-infrared Nebular-phase Spectroscopy of SN 2024ggi: Constraints on the Structure of the Inner Ejecta, Progenitor Mass, and Dust

We present optical and near-infrared (NIR) spectroscopic observations of the nearby Type II supernova SN 2024ggi ranging from 250 to 581 days after the explosion. Comparing the evolution of the [O i ] at 6300, 6363 Å doublet normalized to the continuum with spectral models from the literature, we es...

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Principais autores:	Emilio Hueichapán, Régis Cartier, Jose L. Prieto, Carlos Contreras, Aleksandar Cikota, Thallis Pessi, Franz E. Bauer, Giuliano Pignata, Camila Cardenas, Sethulakshmi Vazhayil
פורמט:	Artigo
שפה:	Inglês
יצא לאור:	IOP Publishing 2026-01-01
סדרה:	The Astrophysical Journal
נושאים:	Core-collapse supernovae Supernovae Type II supernovae
גישה מקוונת:	https://doi.org/10.3847/1538-4357/ae4500
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