output
19932026
Showing 2024 · astro-ph.GAShow all

113 papers · 2 filters

astro-ph.GA2024★ 22 cited

MICONIC: Dual active galactic nuclei, star formation, and ionised gas outflows in NGC 6240 seen with MIRI/JWST

L. Hermosa Muñoz, A. Alonso-Herrero, A. Labiano +19

As part of the guaranteed time observations program Mid-Infrared Characterization Of Nearby Iconic galaxy Centers (MICONIC), we used the medium-resolution spectrometer (MRS) of the…

astro-ph.GA2024★ 5 cited

Behind the dust veil: A panchromatic view of an optically dark galaxy at z=4.82

Nikolaj B. Sillassen, Shuowen Jin, Georgios E. Magdis +30

Optically dark dusty star-forming galaxies (DSFGs) play an essential role in massive galaxy formation at early cosmic time, however their nature remains elusive. Here we present a…

astro-ph.GA2024★ 9 cited

MusE GAs FLOw and Wind (MEGAFLOW) XIII. Cool gas traced by MgII around isolated galaxies

Maxime Cherrey, Nicolas F. Bouché, Johannes Zabl +7

The circumgalactic medium (CGM) is a key component needed to understand the physical processes governing the flows of gas around galaxies. Quantifying its evolution and its depende…

astro-ph.GA2024★ 7 cited

Estimating Photometric Redshifts for Galaxies from the DESI Legacy Imaging Surveys with Bayesian Neural Networks Trained by DESI EDR

Xingchen Zhou, Nan Li, Hu Zou +6

We present a catalogue of photometric redshifts for galaxies from DESI Legacy Imaging Surveys, which includes billion sources covering 14,000 . The photomet…

astro-ph.GA2024★ 2 cited

The Jet Paths of Radio AGN and their Cluster Weather

E. Vardoulaki, V. Backöfer, A. Finoguenov +21

We studied bent radio sources within X-ray galaxy groups in the COSMOS and XMM-LSS fields, using radio data from the MeerKAT International GHz Tiered Extragalactic Explorations dat…

astro-ph.GA2024★ 16 cited

PANORAMIC: Discovery of an Ultra-Massive Grand-Design Spiral Galaxy at

Mengyuan Xiao, Christina C. Williams, Pascal A. Oesch +26

We report the discovery of an ultra-massive grand-design red spiral galaxy, named Zhúlóng (Torch Dragon), at in the JWST PANORAMIC survey, identi…

astro-ph.GA2024★ 2 cited

LOFAR Deep Fields: Probing the sub-mJy regime of polarized extragalactic sources in ELAIS-N1. II. Analysis

S. Piras, C. Horellou, J. Conway +7

Deep polarization surveys at low radio frequencies are key to cosmic magnetism studies: Larger catalogs of polarized extragalactic sources and increased precision on Faraday rotati…

astro-ph.GA2024

A Survey of Magnetic Field Properties in Bok Globules

Tamojeet Roychowdhury, Thushara G. S. Pillai, Claudia Vilega-Rodrigues +4

Bok globules are small, dense clouds that act as isolated precursors for the formation of single or binary stars. Although recent dust polarization surveys, primarily with Planck,…

astro-ph.GA2024

First detection of a deuterated molecule in a starburst environment within NGC 253

J. Butterworth, S. Martín, V. M. Rivilla +7

Deuterium was primarily created during the Big Bang Nucleosynthesis (BBN). This fact, alongside its fractionation reactions resulting in enhanced abundances of deuterated molecules…

astro-ph.GA2024★ 40 cited

Ammonium hydrosulfide (NH4SH) as a potentially significant sulfur sink in interstellar ices

Katerina Slavicinska, Adwin Boogert, Łukasz Tychoniec +6

Sulfur is depleted with respect to its cosmic standard abundance in dense star-forming regions. It has been suggested that this depletion is caused by the freeze-out of sulfur on i…

astro-ph.GA2024★ 5 cited

Interaction between the Supernova Remnant W44 and the Infrared Dark Cloud G034.77-00.55: shock induced star formation?

G. Cosentino, I. Jiménez-Serra, A. T. Barnes +11

How Supernova Remnant (SNR) shocks impact nearby molecular clouds is still poorly observationally constrained. It is unclear if SNRs can positively or negatively affect clouds star…

astro-ph.GA2024★ 3 cited

Large-Scale Stellar Age-Velocity Spiral Pattern in NGC 4030

Iris Breda, Glenn van de Ven, Sabine Thater +11

The processes driving the formation and evolution of late-type galaxies (LTGs) continue to be a debated subject in extragalactic astronomy. Investigating stellar kinematics, especi…

astro-ph.GA2024★ 7 cited

The MUSE Extremely Deep Field: Classifying the Spectral Shapes of Lya Emitting Galaxies

E. Vitte, A. Verhamme, P. Hibon +14

The Hydrogen Lyman-alpha (Lya) line shows a large variety of shapes which is caused by factors at different scales, from the interstellar medium to the intergalactic medium. This w…

astro-ph.GA2024★ 9 cited

WEAVE First Light Observations: Origin and Dynamics of the Shock Front in Stephan's Quintet

M. I. Arnaudova, S. Das, D. J. B. Smith +62

We present a detailed study of the large-scale shock front in Stephan's Quintet, a byproduct of past and ongoing interactions. Using integral-field spectroscopy from the new Willia…

astro-ph.GA2024★ 8 cited

The host galaxies of radio-loud quasars at z>5 with ALMA

C. Mazzucchelli, R. Decarli, S. Belladitta +13

The interaction between radio-jets and quasar host galaxies plays a paramount role in quasar/galaxy co-evolution. However, very little has been known so far about this interaction…

astro-ph.GA2024★ 7 cited

WALLABY Pilot Survey: Gas-Rich Galaxy Scaling Relations from Marginally-Resolved Kinematic Models

N. Deg, N. Arora, K. Spekkens +21

We present the first set of galaxy scaling relations derived from kinematic models of the Widefield ASKAP L-band Legacy All-sky Blind surveY (WALLABY) pilot phase observations. Com…

astro-ph.GA2024

A GMRT 610 MHz radio survey of the North Ecliptic Pole (NEP, ADF-N) / Euclid Deep Field North

Glenn J. White, L. Barrufet, S. Serjeant +17

This paper presents a 610 MHz radio survey covering 1.94 square degrees around the North Ecliptic Pole (NEP), which includes parts of the AKARI (ADF-N) and Euclid, Deep Fields Nort…

astro-ph.GA2024★ 3 cited

Supernova Shocks in Molecular Clouds: Shocks Driven into Dense Cores in IC 443 and 3C 391

William T. Reach, Ngoc Le Tram, Curtis DeWitt +3

Supernova shocks into dense molecular cores in IC 443 (clumps B, C, and G) and 3C 391 were observed using the Stratospheric Observatory for Infrared Astronomy and complemented by a…

astro-ph.GA2024★ 12 cited

A Little Red Dot at within a Large Galaxy Overdensity

Jan-Torge Schindler, Joseph F. Hennawi, Frederick B. Davies +11

The nature of "Little Red Dots" and their relation to other forms of accreting supermassive black holes remain an open question. Here we report the discovery of a Little Red Dot at…

astro-ph.GA2024★ 15 cited

Proposed importance of HOCO chemistry: Inefficient formation of CO from CO and OH reactions on ice dust

Atsuki Ishibashi, Germán Molpeceres, Hiroshi Hidaka +3

With the advent of JWST ice observations, dedicated studies on the formation reactions of detected molecules are becoming increasingly important. One of the most interesting molecu…

astro-ph.GA2024★ 3 cited

AGN -- host galaxy photometric decomposition using a fast, accurate and precise deep learning approach

Berta Margalef-Bentabol, Lingyu Wang, Antonio La Marca +1

Identifying active galactic nuclei (AGN) is extremely important for understanding galaxy evolution and its connection with the assembly of supermassive black holes (SMBH). With the…

astro-ph.GA2024★ 2 cited

Does the HCN/CO ratio trace the star-forming fraction of gas? II. Variations in CO and HCN Emissivity

Ashley R. Bemis, Christine D. Wilson, Piyush Sharda +2

We model emissivities of the HCN and CO transitions using measured properties of clouds found in normal star forming galaxies and more extreme systems. These models are com…

astro-ph.GA2024

CHEMOUT: CHEMical complexity in star-forming regions of the OUTer Galaxy. IV. ALMA observations of organic species at Galactocentric radius ~23 kpc

F. Fontani, G. Vermariën, S. Viti +7

Single-dish observations suggest that the abundances of organic species in star-forming regions of the outer Galaxy, characterised by sub-Solar metallicities, are comparable to tho…

astro-ph.GA2024★ 15 cited

ALMA observations of super-early galaxies: attenuation-free model predictions

A. Ferrara, S. Carniani, F. di Mascia +3

The abundance and blue color of super-early (redshift ), luminous galaxies discovered by JWST can be explained if radiation-driven outflows have ejected their dust on kpc-sca…