activity
20202026
most citedThe baryonic specific angular momentum of disc galaxies

62 citations · 264 across the 21 of their papers we have counts for

collaborators

23 papers

astro-ph.GA2026

Impact of the large scale environment on the baryonic scaling relations of disc galaxies: Insights from the GASP survey

C. Bacchini, A. Marasco, B. Vulcani +7

The Tully--Fisher relation (TFR) and the specific angular momentum--mass relation (SAMR) link the baryonic content of a disc to its kinematics and dynamics. Hence, these scaling re…

astro-ph.GA2026

Jeans Dynamical Constraints on the IMF in Massive Quiescent Galaxies at from JWST/NIRSpec

Martje Slob, Mariska Kriek, Chloe M. Cheng +19

We present dynamical masses for nine massive quiescent galaxies at from the JWST-IMFERNO program, measured from ultra-deep (hr), spatially resolved NIRSpec/MSA s…

astro-ph.GA2026

Dark matter haloes from dwarf to massive galaxies: no systematic inner-density tension with ΛCDM hydrodynamical simulations

Pavel E. Mancera Piña, Justin I. Read, Jorge Sarrato-Alós +1

Two of the most prominent small-scale challenges to the cold dark matter (CDM) paradigm are the cusp-core and diversity-of-rotation-curves problems. The former concerns the shallow…

astro-ph.GA2026

Testing dark matter models and modified gravity theories with spatially resolved HI observations

Federico Lelli, Antonino Marasco, Timothy A. Davis +8

Understanding the nature of dark matter (DM) is one of the most pressing questions of modern physics. The flat rotation curves of galaxies, especially the extended HI rotation curv…

astro-ph.GA2026★ 1 cited

Direct detection of cool molecular gas in a star-forming galaxy at

Karin Cescon, Jacqueline A. Hodge, Leindert A. Boogaard +21

We investigate the molecular gas content and interstellar medium (ISM) conditions of REBELS-25, a massive, star-forming galaxy at . Deep VLA Q-band and ALMA Band 3 observat…

astro-ph.GA2026★ 1 cited

Investigating the role of turbulence in the interstellar medium in dusty star-forming galaxies using kpc-resolution ALMA dust and gas maps

B. A. Westoby, J. A. Hodge, P. Sharda +28

We present ALMA high-resolution (0.25/2 kpc) CO(5-4) and CO(4-3) observations of three submillimetre-selected dusty galaxies from the ALESS survey.…

astro-ph.GA2026

Hidden mass in early galaxies revealed by bottom-heavy initial mass functions

Chloe M. Cheng, Martje Slob, Mariska Kriek +21

James Webb Space Telescope (JWST) observations have revealed that massive galaxies formed and evolved faster than predicted by galaxy formation models, with many having already ass…

astro-ph.IM2025

Why the Northern Hemisphere Needs a 30-40m Telescope and the Science at Stake: Ultra-Low-Mass Dwarf Galaxies Across the Boreal Cosmic Web

J. Alfonso L. Aguerri, Jesús Falcón-Barroso, María Argudo-Fernández +22

Dwarf galaxies dominate the galaxy population in the nearby Universe and occupy the regime where feedback, reionization, and environment exert their strongest influence on galaxy f…

astro-ph.GA2024★ 11 cited

Age and metal gradients in massive quiescent galaxies at : implications for quenching and assembly histories

Chloe M. Cheng, Mariska Kriek, Aliza G. Beverage +12

We present spatially resolved, simple stellar population equivalent ages, stellar metallicities, and abundance ratios for 456 massive ($10.3\lesssim\log(\mathrm{M}_*/\mathrm{M}_\od…

astro-ph.GA2024★ 1 cited

Carbon and Iron Deficiencies in Quiescent Galaxies at z=1-3 from JWST-SUSPENSE: Implications for the Formation Histories of Massive Galaxies

Aliza G. Beverage, Martje Slob, Mariska Kriek +20

We present the stellar metallicities and multi-element abundances (C, Mg, Si, Ca, Ti, Cr, and Fe) of 15 massive (log ) quiescent galaxies at z=1-3, derived fro…

astro-ph.GA2024★ 13 cited

MHONGOOSE discovery of a gas-rich low-surface brightness galaxy in the Dorado Group

F. M. Maccagni, W. J. G. de Blok, P. E. Mancera Piña +28

We present the discovery of a low-mass gas-rich low-surface brightness galaxy in the Dorado Group, at a distance of 17.7 Mpc. Combining deep MeerKAT 21-cm observations from the Mee…

astro-ph.GA2024★ 28 cited

Exploring the nature of dark matter with the extreme galaxy AGC 114905

Pavel E. Mancera Piña, Giulia Golini, Ignacio Trujillo +1

AGC 114905 is a dwarf gas-rich ultra-diffuse galaxy seemingly in tension with the cold dark matter (CDM) model. Specifically, the galaxy appears to have an extremely low-density ha…

astro-ph.GA2024★ 2 cited

REBELS-25: Discovery of a dynamically cold disc galaxy at z = 7.31

Lucie E. Rowland, Jacqueline Hodge, Rychard Bouwens +21

We present high resolution (" = 710 pc) ALMA [CII] 158m and dust continuum follow-up observations of REBELS-25, a [CII]-luminous ($L_{\mathrm{[CII]}}=(1.7\pm0.2)\times…

astro-ph.GA2024★ 1 cited

The JWST-SUSPENSE Ultradeep Spectroscopic Program: Survey Overview and Star-Formation Histories of Quiescent Galaxies at 1 < z < 3

Martje Slob, Mariska Kriek, Aliza G. Beverage +19

We present an overview and first results from the Spectroscopic Ultradeep Survey Probing Extragalactic Near-infrared Stellar Emission (SUSPENSE), executed with NIRSpec on JWST. The…

astro-ph.GA2024★ 1 cited

From gas to stars: MUSEings on the internal evolution of IC 1613

S. Taibi, G. Battaglia, M. M. Roth +9

The kinematics and chemical composition of stellar populations of different ages provide crucial information about the evolution of a galaxy. We aim to provide such information for…

astro-ph.GA2024

WALLABY Pilot Survey: An 'Almost' Dark Cloud near the Hydra Cluster

T. O'Beirne, L. Staveley-Smith, O. I. Wong +20

We explore the properties of an 'almost' dark cloud of neutral hydrogen (HI) using data from the Widefield ASKAP L-band Legacy All-sky Survey (WALLABY). Until recently, WALLABY J10…

astro-ph.GA2023★ 13 cited

Catching Tidal Dwarf Galaxies at a Later Evolutionary Stage with ALFALFA

Laurin M. Gray, Katherine L. Rhode, Lukas Leisman +11

We present deep optical imaging and photometry of four objects classified as "Almost-Dark" galaxies in the ALFALFA survey because of their gas-rich nature and extremely faint or mi…

astro-ph.GA2023★ 19 cited

Fountain-driven gas accretion feeding star formation over the disc of NGC 2403

Anqi Li, Filippo Fraternali, Antonino Marasco +4

We use a dynamical model of galactic fountain to study the neutral extraplanar gas (EPG) in the nearby spiral galaxy NGC 2403. We have modelled the EPG as a combination of material…

astro-ph.GA2022★ 19 cited

MIGHTEE-HI: The HI mass-stellar mass relation over the last billion years

Hengxing Pan, Matt J. Jarvis, Mario G. Santos +19

We study the relation over the last billion years using the MIGHTEE-HI sample. We first model the upper envelope of the relation with…

astro-ph.GA2022★ 33 cited

MIGHTEE-HI: Evolution of HI scaling relations of star-forming galaxies at

Francesco Sinigaglia, Giulia Rodighiero, Ed Elson +33

We present the first measurements of HI galaxy scaling relations from a blind survey at . We perform spectral stacking of 9023 spectra of star-forming galaxies undetected i…

astro-ph.GA2022★ 54 cited

The impact of gas disc flaring on rotation curve decomposition and revisiting baryonic and dark-matter relations for nearby galaxies

Pavel E. Mancera Piña, Filippo Fraternali, Tom Oosterloo +4

Gas discs of late-type galaxies are flared, with scale heights increasing with the distance from the galaxy centres and often reaching kpc scales. We study the effects of gas disc…

astro-ph.GA2021★ 5 cited

No need for dark matter: resolved kinematics of the ultra-diffuse galaxy AGC 114905

Pavel E. Mancera Piña, Filippo Fraternali, Tom Oosterloo +3

We present new HI interferometric observations of the gas-rich ultra-diffuse galaxy AGC 114905, which previous work, based on low-resolution data, identified as an outlier of the b…

astro-ph.GA2020★ 62 cited

The baryonic specific angular momentum of disc galaxies

Pavel E. Mancera Piña, Lorenzo Posti, Filippo Fraternali +2

(Abridged) Specific angular momentum is one of the key parameters that control the evolution of galaxies. We derive the baryonic specific angular momentum of disc galaxies and stud…