activity
20112026
most citedThe lesser role of starbursts for star formation at z=2

867 citations · 5.9k across the 104 of their papers we have counts for

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22 papers · 1 filter

astro-ph.GA2025

MIRACLE III. JWST/MIRI expose the hidden role of the AGN outflow in NGC 1068

C. Marconcini, A. Marconi, M. Ceci +27

We present new JWST IFS observations of the active galaxy NGC 1068, combining Mid-IR and optical IFS data from MIRI and MUSE to characterize the multi-phase circumnuclear gas prope…

astro-ph.GA2025★ 3 cited

Cosmic Duets I. High-spatial resolution spectroscopy of dual and lensed AGN with MUSE-NFM

M. Scialpi, F. Mannucci, Q. D'Amato +34

We present the first-year results of the MUSE Large Program "Cosmic Duets", whose goal is to obtain adaptive-optics assisted MUSE observations with an angular resolution of 0.1"-0.…

astro-ph.GA2025

Euclid Quick Data Release (Q1): Euclid spectroscopy of quasars. 1. Identification and redshift determination of 3500 bright quasars

Euclid Collaboration, Y. Fu, R. Bouwens +354

The slitless spectroscopy mode of the NISP onboard Euclid has enabled efficient spectroscopy of objects within a large FoV. We present a large and homogeneous sample of bright quas…

astro-ph.GA2025★ 1 cited

Tracing nitrogen enrichment across cosmic time with JWST

E. Cataldi, F. Belfiore, M. Curti +22

We present a comprehensive analysis of the nitrogen-to-oxygen (N/O) abundance ratio in a sample of ~ 660 star-forming galaxies at redshift z ~ 1-6, with a median redshift of z = 3.…

astro-ph.GA2025

The observed total star formation rate function up to z \sim 6: complementary UV and IR contributions and comparison with state-of-the-art galaxy formation models

A. Traina, C. Gruppioni, I. Delvecchio +21

We investigate how the obscured IR-derived and the dust-corrected UV star formation rate functions (SFRFs) compare with each other, and with predictions from state-of-the-art theor…

astro-ph.GA2025

Euclid Quick Data Release (Q1). Spectroscopic unveiling of highly ionised lines at z = 2.48-3.88

Euclid Collaboration, D. Vergani, S. Quai +316

This study explores a rare population of sources in a currently uncharted region of spectroscopic redshift space in the Euclid Quick Data Release (Q1), and is intended potentially…

astro-ph.GA2025★ 1 cited

Significant Evidence of an AGN Contribution in GHZ2 at z = 12.34

Oscar A. Chavez Ortiz, Steven L. Finkelstein, Adele Plat +18

GHZ2 is among the highest-redshift galaxies discovered to date, exhibiting a spectrum rich with prominent emission lines in the rest-frame ultraviolet (UV) and optical. These featu…

astro-ph.GA2025★ 1 cited

Euclid: A machine-learning search for dual and lensed AGN at sub-arcsec separations

L. Ulivi, F. Mannucci, M. Scialpi +189

Cosmological models of hierarchical structure formation predict the existence of a widespread population of dual accreting supermassive black holes (SMBHs) on kpc-scale separations…

astro-ph.GA2025★ 2 cited

JADES: the chemical enrichment pattern of distant galaxies -- enhancement, silicon depletion, and iron enhancement

Yuki Isobe, Roberto Maiolino, Xihan Ji +26

We present gas-phase abundances of carbon (C), -elements (O, Ne, Si, and Ar) and iron (Fe) obtained from stacked spectra of high- star-forming galaxies with the deep Near Inf…

astro-ph.GA2025

M^3D: Mosaicking M33 with MUSE datacubes I. Unveiling the diversity of HII regions in M33 with MUSE

A. Feltre, F. Belfiore, G. Cresci +23

We present new VLT/MUSE observations of a 3 8 arcmin mosaic along the southern major axis of the Local Group galaxy M33. These data provide an unprecedented view of th…

astro-ph.GA2025★ 2 cited

MARTA: The connection between chemical enrichment, feedback, and dust in a Wolf-Rayet galaxy at z2

Mirko Curti, Elisa Cataldi, Francesco Belfiore +17

We present the analysis of the stellar and interstellar medium (ISM) properties of MARTA-4327, a star-forming galaxy at z=2.224 observed by means of deep JWST/NIRSpec spectroscopy…

astro-ph.GA2025★ 2 cited

An ALMA Band 7 survey of SDSS/Herschel quasars in Stripe 82: I. The properties of the 870 micron counterparts

E. Hatziminaoglou, H. Messias, R. Souza +6

(Abridged) Quasar studies with Herschel/SPIRE often report host luminosities ranging from 10^{12} to 10^{14} Lsun, suggestive of star formation rates (SFRs) of up to several thousa…

astro-ph.GA2025★ 2 cited

MIRACLE II: Unveiling the multi-phase gas interplay in the circumnuclear region of NGC 1365 via multi-cloud modeling

M. Ceci, C. Marconcini, A. Marconi +25

We present a multi-phase study of the gas in the circumnuclear region (~1.1x1.0 kpc^2) of the nearby Seyfert 1.8 galaxy NGC 1365, observed in the context of the Mid-IR Activity of…

astro-ph.GA2025★ 5 cited

Euclid: The potential of slitless infrared spectroscopy: A z=5.4 quasar and new ultracool dwarfs

E. Bañados, V. Le Brun, S. Belladitta +226

We demonstrate the potential of Euclid's slitless spectroscopy to discover high-redshift (z>5) quasars and their main photometric contaminant, ultracool dwarfs. Sensitive infrared…

astro-ph.GA2025★ 2 cited

JWST/NIRSpec Observations of High Ionization Emission Lines in Galaxies at High Redshift

Mengtao Tang, Daniel P. Stark, Adèle Plat +7

JWST spectroscopy has built large emission line samples at , but it has yet to confidently reveal many galaxies with the hard radiation fields commonly associated with A…

astro-ph.GA2025★ 3 cited

Classifying spectra of emission-line regions with neural networks -- An application to integral field spectroscopic data of M33

Caterina Bracci, Francesco Belfiore, Michele Ginolfi +13

Emission-line regions are key to understanding the properties of galaxies, as they trace the exchange of matter and energy between stars and the interstellar medium (ISM). In nearb…

astro-ph.GA2025★ 5 cited

MARTA: Temperature-temperature relationships and strong-line metallicity calibrations from multiple auroral-line detections at cosmic noon

E. Cataldi, F. Belfiore, M. Curti +22

We present the first results from MARTA (Measuring Abundances at high Redshift with the T Approach), a programme leveraging ultra-deep, medium-resolution JWST/NIRSpec spectrosc…

astro-ph.GA2025★ 18 cited

Unveiling the Fast Acceleration of AGN-Driven Winds at Kiloparsec Scales

Cosimo Marconcini, Alessandro Marconi, Giovanni Cresci +18

Supermassive black holes at the centre of galaxies gain mass through accretion disks. Models predict that quasi-spherical winds, expelled by the black hole during active accretion…

astro-ph.GA2025★ 8 cited

MIRACLE I.: Unveiling the Multi-Phase, Multi-Scale physical properties of the Active Galaxy NGC 424 with MIRI, MUSE, and ALMA

C. Marconcini, A. Feltre, I. Lamperti +26

We present the analysis of the multi-phase gas properties in the Seyfert II galaxy NGC 424, using spatially resolved spectroscopic data from JWST/MIRI, part of the Mid-InfraRed Act…

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★ 4 cited

JADES: Nitrogen Enhancement in High-Redshift Broad-Line Active Galactic Nuclei

Yuki Isobe, Roberto Maiolino, Francesco D'Eugenio +16

The unexpectedly high nitrogen-to-oxygen (N/O) ratios observed in high-redshift (z) galaxies have challenged our understanding of early star formation. Notably, many of these nitro…