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astro-ph.GA2026

HI rotation curves and mass-size relation for 568 galaxies from the Apertif Wide-area Extragalactic Survey

Konstantin Haubner, Federico Lelli, Enrico Di Teodoro +13

The extended HI rotation curves of galaxies are one of the most powerful tools for studying galaxy evolution and for testing different dark matter and modified gravity models. Howe…

astro-ph.GA2026

A Single Line-Emitter Identified in an Unbiased Search with JWST/NIRSpec: Multi-Object Coronagraphy for Slitless Spectroscopy

Mason S. Huberty, Claudia Scarlata, Matthew J. Hayes +13

We report the detection of a previously unknown object with a single emission line within the Hubble Ultra Deep Field, using a new JWST NIRSpec technique called Multi-Object Corona…

astro-ph.GA2026

ACES VII. Compact Continuum Source Catalog of the Central Molecular Zone

Jennifer Wallace, Cara Battersby, Nazar Budaiev +58

The Central Molecular Zone (CMZ) resides in the inner few hundred parsecs of our Galaxy, and despite being the largest reservoir of dense molecular gas in the Milky Way, it has a r…

astro-ph.GA2026

The Total and Polarized Radio Emission from the Innermost Jets of a High-Redshift Quasar and a Candidate at Parsec-Scale Resolution

Bence Husvéth, Krisztina É. Gabányi, Tao An +4

High-frequency very long baseline interferometry (VLBI) polarimetry probes synchrotron-emitting plasma closer to the central engines of radio-loud active galactic nuclei (AGNs), bu…

astro-ph.GA2026

Far-infrared observations of dust in Ly emitters at z=2-6

Rahul Rana, Julie L. Wardlow, Thomas M. Cornish +3

The bright Ly line is regularly used to identify high-redshift star-forming galaxies known as Ly emitters (LAEs). However, Ly is affected by resonant scattering and dust a…

astro-ph.GA2026

Detection of C Combination Bands in the Near-IR Spectrum of Tc 1

Morgan M. Giese, Vincent J. Esposito, Simon Van Schuylenbergh +26

We report the detection of a set of new near-infrared emission features between 3.5 and 5.2 m in JWST/NIRSpec observations of Tc 1, the planetary nebula known for displaying the…

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

The PARADIGM Project II: Characterising Nuclear and Diffuse Radio Components in Local U/LIRGs

Geferson Lucatelli, Rob Beswick, Javier Moldón +14

Disentangling SF and AGN emission is essential for understanding galaxy evolution, yet remains challenging in merging systems where both processes are enhanced and spatially intert…

astro-ph.GA2026

A Dual-Band Centimetre Continuum Monitoring Survey of Young Stellar Objects in the Coronet Cluster

Johanan Ramírez-Arellano, Carlos Carrasco-González, Roberto Galván-Madrid +5

We present sensitive (9 Jy), sub-arcsecond resolution radio continuum observations at 9.0 GHz (3.3 cm) and 14.0 GHz (2.1 cm) obtained with the Karl G. Jansky Very Large Ar…

astro-ph.GA2026

Compact near infrared sources in the center of the extraordinary galaxy IC 860

J. S. Gallagher, L. Schisgal, G. C. Privon +7

Hubble Space Telescope (HST) images are used to study the structure of the central regions of the luminous infrared galaxy (LIRG) IC 860. IC 860 is of special interest as a system…

astro-ph.GA2026

A search for the first galaxies across deg of JWST imaging: new evidence for a rapid decline in star-formation activity at

D. J. McLeod, J. S. Dunlop, R. J. McLure +20

We present a new determination of the evolving galaxy UV luminosity function (LF) over the extreme redshift range , based on a wide-area search of 0.6 deg of JW…

astro-ph.GA2026

Full-polarization millimeter wavelength variability of Sagittarius A* during the 2018 EHT campaign

Ezequiel Albentosa-Ruiz, Jasmin E. Washington, Nicola Marchili +272

Sagittarius A* (Srg A*), the supermassive black hole at the center of the Milky Way, provides a unique laboratory to study accretion dynamics and plasma processes near the event ho…

astro-ph.GA2026

Detection of CO ice in the planetary nebula NGC 6302

Charmi Bhatt, Simon W. Cao, Jan Cami +20

Using JWST/MIRI observations, we report the detection of CO ice in the dusty torus of the planetary nebula NGC 6302, an environment generally considered hostile to fragile mole…

astro-ph.GA2026

MEDUSA I. Tracing magnetic field structures in tidal arms of the dwarf-dwarf merger NGC 1487

Sam Taziaux, Aritra Basu, Samata Das +11

Dwarf galaxies are important laboratories for studying cosmic magnetism because they can maintain strong magnetic fields via the action of turbulent dynamo despite their low mass a…

astro-ph.GA2026★ 1 cited

Linear filament and nested cluster evolution tomography (LANCET) I. Capture the evolution of dense gas in 14-parsec filament G316.8

Fengwei Xu, Ke Wang, Nicola Schneider +12

A dynamic view of mass assembly is essential for understanding the formation of massive stars and clusters. Interpreting evolutionary diagnostics from Galactic-wide surveys, howeve…

astro-ph.GA2026★ 17 cited

The LOFAR Two-metre Sky Survey: VII. Third Data Release

T. W. Shimwell, M. J. Hardcastle, C. Tasse +99

We present the third data release of the LOFAR Two-metre Sky Survey (LoTSS-DR3). The survey images cover 88% of the northern sky and were created from 12,950 hrs of data (18.6 PB)…

astro-ph.GA2026★ 3 cited

Not so-dark: High resolution HI imaging of J0139+4328 and identification of an optical counterpart

Barbara Šiljeg, Elizabeth A. K. Adams, Tom A. Oosterloo +4

Dark galaxies - systems rich in neutral hydrogen (HI) gas but with no stars - are a common prediction of numerous theoretical models and cosmological simulations. However, the uneq…

astro-ph.GA2026★ 1 cited

The impact of attenuation on cosmic-ray chemistry: I. Abundances and chemical calibrators in molecular clouds

Arghyadeb Roy, Brandt A. L. Gaches, Jonathan C. Tan

The chemistry of shielded molecular gas is primarily driven by energetic, charged particles dubbed cosmic rays (CRs), in particular those with energies under 1 GeV. CRs ionize mole…

astro-ph.GA2025

SiO emission in the filamentary Infrared Dark Cloud G035.39-00.33: An ALMA view

Rong Liu, Izaskun Jiménez-Serra, Giuliana Cosentino +8

Filamentary infrared dark clouds (IRDCs) are believed to represent the initial conditions for massive star and cluster formation. We investigate the IRDC G035.39-00.33 using SiO, H…

astro-ph.GA2025★ 1 cited

Chemical complexity in star formation induced by stellar feedback: cores shock-formed by the supernova remnant W44

G. Cosentino, I. Jiménez-Serra, F. Fontani +8

Low-velocity shocks from Supernova Remnants (SNRs) may set the physical and chemical conditions of star formation in molecular clouds. Recent evidence suggests that the Sun might h…

astro-ph.GA2025

Resolving the molecular gas emission of the z~2.5-2.8 starburst galaxies SPT0125-47 and SPT 2134-50

K. Kade, M. Bredberg, K. Knudsen +4

The comoving cosmic star formation rate density peaks at z~2-3, with dusty star-forming galaxies being significant contributors to this peak. These galaxies are characterized by th…

astro-ph.GA2025★ 2 cited

VENUS: When Red meets Blue -- A multiply imaged Little Red Dot with an apparent blue companion behind the galaxy cluster Abell 383

Miriam Golubchik, Lukas J. Furtak, Joseph F. V. Allingham +50

We report the discovery of a doubly-imaged Little Red Dot (LRD) candidate behind the galaxy cluster Abell 383, which we dub A383-LRD1. Initially classified as a dropout galaxy in H…

astro-ph.GA2025★ 1 cited

Effects of Varied Cosmic Ray Feedback from AGN on Massive Galaxy Properties

Charvi Goyal, Sam B. Ponnada, Philip F. Hopkins +3

Active galactic nuclei (AGN) provide energetic feedback necessary to `turn off' star formation in high-mass galaxies (M 10 M, $10.4 \leq \log(…

astro-ph.GA2025

Galaxy and Mass Assembly (GAMA): The Properties of Quasar Host Galaxies: Star Formation Histories and Stellar Populations

Maria B. Stone, Roberto De Propris, Clare Wethers +5

We investigated the star formation history and stellar populations of a sample of 205 Type I quasar host galaxies (0.1z0.35) and compared with normal (non-active) galaxies of…