activity
20222026
most citedA new estimate of the cosmic star formation density from a radio-selected sample, and the contribution of -dark galaxies at

52 citations · 122 across the 27 of their papers we have counts for

collaborators

27 papers

astro-ph.GA2026

A pilot sample of Planck-selected strongly lensed sub-mm galaxies: NOEMA observations and physical characterisation

Leonardo Trobbiani, Matteo Bonato, Ivano Baronchelli +6

The extreme brightness of high- strongly lensed galaxies detected by Planck surveys, thanks to their exceptionally large gravitational magnifications, offers a unique opportunit…

astro-ph.GA2026

Semi-empirical Predictions for Ultra-deep Radio Counts of Star-forming Galaxies with the SKAO

M. Giulietti, I. Prandoni, L. Bisigello +4

Star-forming galaxies (SFGs) dominate the faint radio sky at flux densities below 0.1 mJy. Identifying these systems through a multiwavelength approach is essential to tracing the…

astro-ph.GA2026

Painting a full radio sky -- Empirical mock catalogues with multiple source populations for future radio surveys

Tommaso Ronconi, Anna Bonaldi, Marta Spinelli +7

Upcoming radio surveys will probe the sky with unprecedented depth and sky coverage, enabling a broad range of cosmological and astrophysical applications, as well as powerful syne…

astro-ph.GA2025★ 1 cited

HELM's deep: Highly Extincted Low-Mass galaxies seen by JWST

L. Bisigello, G. Gandolfi, A. Grazian +25

The dust content of star-forming galaxies is generally positively correlated with their stellar mass. However, some recent JWST studies have shown the existence of a population of…

astro-ph.GA2025

SHORES II: Multi-frequency Characterisation of the Sub-mJy Radio Population in FIR-selected Fields

Meriem Behiri, Marcella Massardi, Vincenzo Galluzzi +4

We present a new deep multi-frequency radio survey of two extragalactic fields observed with the Australia Telescope Compact Array (ATCA) as part of the SHORES project (Serendipito…

astro-ph.GA2025★ 5 cited

Mysteries of Capotauro: investigating the puzzling nature of an extreme F356W-dropout

Giovanni Gandolfi, Giulia Rodighiero, Marco Castellano +38

JWST has uncovered a diverse population of extreme near-infrared dropouts, including ultra high-redshift () galaxy candidates, dust-obscured galaxies challenging dust product…

astro-ph.GA2025★ 2 cited

Host galaxy identification of LOFAR sources in the Euclid Deep Field North

Bisigello L., Giulietti M., Prandoni I. +6

We present a catalogue of optical and near-infrared counterparts to radio sources detected in the Euclid Deep Field North (EDF-N) using observations from the LOw-Frequency ARray (L…

astro-ph.GA2025

Sub-arcsecond-resolution LOFAR observations of bright sub-millimetre galaxies in the North Ecliptic Pole field

M. Bondi, I. Prandoni, M. Magliocchetti +6

Bright SMGs contribute significantly to the star formation rate (SFR) density (20-50\%) and stellar mass density ( 30-50\%) at 2-4 with SFRs M,yr$^{-1}…

astro-ph.GA2025

An Updated Repository of Sub-mJy Extragalactic Source-Count Measurements in the Radio Domain

Vincenzo Galluzzi, Meriem Behiri, Marika Giulietti +1

We present an updated repository of sub-mJy extragalactic radio source counts between MHz and GHz, incorporating recent advances in radio surveys and observational techn…

astro-ph.GA2025

StAGE: Stellar Archaeology-driven Galaxy Evolution

Michele Bosi, Andrea Lapi, Lumen Boco +10

We build a semi-empirical framework of galaxy evolution (dubbed StAGE) firmly grounded on stellar archaeology. The latter provides data-driven prescriptions that, on a population s…

astro-ph.GA2025★ 2 cited

SEMPER I. Radio Predictions for Star-Forming Galaxies at

M. Giulietti, I. Prandoni, M. Bonato +7

[Abridged] SFGs are the dominant population in the faint radio sky, corresponding to flux densities at 1.4 GHz mJy. A panchromatic approach is essential for selecting SFGs…

astro-ph.HE2025

Euclid Quick Data Release (Q1). The active galaxies of Euclid

Euclid Collaboration, T. Matamoro Zatarain, S. Fotopoulou +355

We present a catalogue of candidate active galactic nuclei (AGN) in the Quick Release (Q1) fields. For each source we collect multi-wavelength photometry and spec…

astro-ph.GA2025★ 9 cited

Euclid Quick Data Release (Q1). Extending the quest for little red dots to z<4

Euclid Collaboration, L. Bisigello, G. Rodighiero +348

Recent James Webb Space Telescope (JWST) observations have revealed a population of sources with a compact morphology and a characteristic `v-shaped' continuum, namely blue at rest…

astro-ph.GA2025★ 6 cited

Going deeper into the dark with COSMOS-Web: JWST unveils the total contribution of Radio-Selected NIRfaint galaxies to the cosmic Star Formation Rate Density

Fabrizio Gentile, Margherita Talia, Andrea Enia +34

We present the first follow-up with JWST of radio-selected NIRfaint galaxies as part of the COSMOS-Web survey. By selecting galaxies detected at radio frequencies ($S_{\rm 3 GHz}>1…

astro-ph.GA2025★ 2 cited

Ultra High-Redshift or Closer-by, Dust-Obscured Galaxies? Deciphering the Nature of Faint, Previously Missed F200W-Dropouts in CEERS

G. Gandolfi, G. Rodighiero, L. Bisigello +42

The James Webb Space Telescope (JWST) is revolutionizing our understanding of the Universe by unveiling faint, near-infrared dropouts previously beyond our reach, ranging from exce…

astro-ph.GA2025

SHORES: Serendipitous H-ATLAS-fields Observations of Radio Extragalactic Sources with the ATCA. I: catalog generation and analysis

Marcella Massardi, Meriem Behiri, Vincenzo Galluzzi +4

We introduce the Serendipitous H-ATLAS-fields Observations of Radio Extragalactic Sources (SHORES) multiple pencil beam survey that observed at 2.1 GHz with the Australia Telescope…

astro-ph.GA2024★ 7 cited

Spectroscopic confirmation of a dust-obscured, metal-rich dwarf galaxy at z~5

L. Bisigello, G. Gandolfi, A. Feltre +24

We present the first spectroscopic confirmation of a dust-obscured dwarf galaxy, CEERS-14821. The analysis is performed combining JWST NIRCam broad-band photometry and NIRSpec/PRIS…

astro-ph.GA2024

Galaxy populations and redshift dependence of the correlation between infrared and radio luminosity

G. De Zotti, M. Bonato, M. Giulietti +4

We argue that the difference in infrared-to-radio luminosity ratio between local and high-redshift star-forming galaxies reflects {the alternative physical conditions} -- including…

astro-ph.GA2024

Astrochemistry of the molecular gas in Dusty Star-Forming Galaxies at the Cosmic Noon

Francesca Perrotta, Martina Torsello, Marika Giulietti +1

FIR and submm observations have established the fundamental role of dust-obscured star formation in the assembly of stellar mass over the past 12 billion years. At z between 2 and…

astro-ph.GA2024

Teaming-up radio and submm-FIR observations to probe dusty star-forming galaxies

Meriem Behiri, Marika Giulietti, Vincenzo Galluzzi +3

In this paper, we investigate the benefits of teaming up data from the radio to the far- 1 infrared (FIR) regime for the characterization of Dusty Star-Forming Galaxies (DSFGs). Th…

astro-ph.GA2024

Observing Dusty Star-Forming Galaxies at the Cosmic Noon through Gravitational Lensing: Perspectives from New Generation Telescopes

Marika Giulietti, Giovanni Gandolfi, Marcella Massardi +2

Gravitational lensing, a compelling physical phenomenon, offers a unique avenue to investigate the morphology and physical properties of distant and faint celestial objects. This p…

astro-ph.GA2024

Dark progenitors and massive descendants: A first ALMA perspective on Radio-Selected NIRdark galaxies in the COSMOS field

Fabrizio Gentile, Margherita Talia, Emanuele Daddi +19

We present the first spectroscopic ALMA follow-up for a pilot sample of nine Radio-Selected NIRdark galaxies in the COSMOS field. These sources were initially selected as radio-det…

astro-ph.GA2023★ 17 cited

Illuminating the Dark Side of Cosmic Star Formation III: Building the largest homogeneous sample of Radio-Selected Dusty Star-Forming Galaxies in COSMOS with PhoEBO

Fabrizio Gentile, Margherita Talia, Meriem Behiri +14

In the last decades, an increasing scientific interest has been growing in the elusive population of "dark" (i.e. lacking an optical/NIR counterpart) Dusty Star-Forming Galaxies (D…

astro-ph.GA2023

Illuminating the Dark Side of Cosmic Star Formation II. A second date with RS-NIRdark galaxies in COSMOS

Meriem Behiri, Margherita Talia, Andrea Cimatti +12

About 12 billion years ago, the Universe was first experiencing light again after the dark ages, and galaxies filled the environment with stars, metals and dust. How efficient was…