activity
20242026
collaborators

8 papers

astro-ph.GA2026

Euclid: Disky titans -- surprisingly high star formation efficiency in two brightest group galaxies at

F. Gentile, E. Daddi, D. Elbaz +165

We present the discovery of two disky titans in the first data release of the Euclid satellite. These sources are massive () star-forming (SFR /…

astro-ph.GA2026

Quiescent fractions in high-redshift galaxy groups reflect their hot-or-cold state of gas accretion

Guillaume Elias, Emanuele Daddi, Chiara D'Eugenio +15

Cold accretion and quenching are closely related aspects of galaxy evolution, as sustained gas supply is required to maintain star formation. High-redshift galaxy groups therefore…

astro-ph.GA2026

A first [CII] view of high-z quiescent galaxies

C. D'Eugenio, E. Daddi, R. Gobat +10

We present ALMA detections (or stringent upper limits) of the [CII] 158 emission line and underlying dust continuum from five massive quenched galaxies (QGs) at 2<z<4.7. We f…

astro-ph.GA2026

Euclid Quick Data Release (Q1). Quenching precedes bulge formation in dense environments but follows it in the field

Euclid Collaboration, F. Gentile, E. Daddi +321

(Abridged) The bimodality between star-forming discs and quiescent spheroids requires the existence of two main processes: the galaxy quenching and the morphological transformation…

astro-ph.GA2025

JWST reveals extended stellar disks for ALMA-bright dusty star-forming galaxies in the Spiderweb protocluster

Y. H. Zhang, H. Dannerbauer, J. M. Pérez-Martínez +14

We present JWST/NIRCam imaging of dusty star-forming galaxies (DSFGs) detected by Atacama Large Millimeter/submillimeter Array (ALMA) in the Spiderweb protocluster at . We…

astro-ph.GA2025

Ly-alpha emission reveals two satellite halos around massive groups at z ~ 3: the puzzling case of a quiescent central galaxy

Sicen Guo, Emanuele Daddi, Raphael Gobat +17

We present the discovery and characterisation of two Ly nebulae (LANs), RO-1001-Sat and RO-0959-Sat, as satellite structures of two giant LANs at and 3.092. They are…