Feeding the Dead: Neutral Gas Inflow in a Long-quenched Ancient Massive Galaxy at z ∼ 2.7 Observed with JWST/NIRSpec

We report the spectroscopic detection of neutral gas inflow into a massive ( M _*  ≃ 4 × 10 ^10 M _⊙ ) quiescent galaxy observed at z _spec  = 2.6576 with the James Webb Space Telescope (JWST). From the redshifted absorption of the Na I doublet at λλ 5890, 5896, we estimate an inflow velocity $v=27{...

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Hlavní autoři:	Davide Bevacqua, Danilo Marchesini, Paolo Saracco, Francesco La Barbera, Richard Pan, Sirio Belli, Gabriel Brammer, Guido De Marchi, Fabio R. Ditrani, Giovanna Giardino, Karl Glazebrook, Valentina La Torre, Jamie Lin, Adam Muzzin, Namrata Roy, Paola Santini, Benedetta Vulcani, Peter J. Watson, Xin Wang
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	IOP Publishing 2026-01-01
Edice:	The Astrophysical Journal
Témata:	Galaxies High-redshift galaxies Post-starburst galaxies Galaxy spectroscopy Cold neutral medium Galaxy quenching
On-line přístup:	https://doi.org/10.3847/1538-4357/ae247c
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