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Author

E. Bertola

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2 papers indexed here

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Open access Sep 2026

One cloud is not enough: Extreme conditions biasing chemical abundances in high-redshift galaxies

Since its launch, JWST has enabled the characterisation of the ionised interstellar medium (ISM) of high-redshift galaxies using a range of rest-frame ultraviolet (UV) and optical diagnostics originally developed in the Local Universe. These observations challenge the validity of such classical methods in extreme high-...

B. Moreschini, F. Belfiore, A. Marconi et al. · 0 citations
Preprint Oct 2026

A relativistic inflow candidate in a quasar at cosmic noon

Cosmic noon ($z\sim2$) marks the peak epoch of cosmic star formation and black hole accretion activity, where strong accretion and outflows are expected. We report two candidate absorption features in the \textit{XMM-Newton} spectrum of the quasar WISEA~J094835.95+432302.6 at $z=1.893$. Two redshifted features occur at...

Ye-Rong Xu, Xiu-Rui Zhao, E. Bertola et al. · 0 citations

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