Showing 2022 · astro-ph.GAShow all

245 papers · 2 filters

astro-ph.GA2022★ 39 cited

V-LoTSS: The Circularly-Polarised LOFAR Two-metre Sky Survey

J. R. Callingham, T. W. Shimwell, H. K. Vedantham +44

We present the detection of 68 sources from the most sensitive radio survey in circular polarisation conducted to date. We use the second data release of the 144 MHz LOFAR Two-metr…

astro-ph.GA2022★ 3 cited

Using Molecular Gas Observations to Guide Initial Conditions for Star Cluster Simulations

Alison Sills, Steven Rieder, Anne S. M. Buckner +3

The earliest evolution of star clusters involves a phase of co-existence of both newly-formed stars, and the gas from which they are forming. Observations of the gas in such region…

astro-ph.GA2022★ 16 cited

A 15 kpc outflow cone piercing through the halo of the blue compact metal-poor galaxy SBS0335-052

E. C. Herenz, J. Inoue, H. Salas +11

Context: Outflows from low-mass star-forming galaxies are a fundamental ingredient for models of galaxy evolution and cosmology. Aims: The onset of kpc-scale ionised filaments in t…

astro-ph.GA2022★ 28 cited

[CII] halos in ALPINE galaxies: smoking-gun of galactic outflows?

E. Pizzati, A. Ferrara, A. Pallottini +3

ALMA observations have revealed that many high redshift galaxies are surrounded by extended (10-15 kpc) [CII]-emitting halos which are not predicted by even the most advanced zoom-…

astro-ph.GA2022★ 6 cited

Clustered Formation of Massive Stars within an Ionized Rotating Disk

Roberto Galván-Madrid, Qizhou Zhang, Andrés Izquierdo +7

We present ALMA observations with a 800 au resolution and radiative-transfer modelling of the inner part ( au) of the ionized accretion flow around a compact star clu…

astro-ph.GA2022★ 52 cited

The Pan-STARRS1 z>5.6 quasar survey II: Discovery of 55 Quasars at 5.6<z<6.5

Eduardo Banados, Jan-Torge Schindler, Bram P. Venemans +20

The identification of bright quasars at z>6 enables detailed studies of supermassive black holes, massive galaxies, structure formation, and the state of the intergalactic medium w…

astro-ph.GA2022★ 73 cited

Gas phase Elemental abundances in Molecular cloudS (GEMS) VII. Sulfur elemental abundance

A. Fuente, P. Rivière-Marichalar, L. Beitia-Antero +18

Gas phase Elemental abundances in molecular CloudS (GEMS) is an IRAM 30m large program aimed at determining the elemental abundances of carbon (C), oxygen (O), nitrogen (N), and su…

astro-ph.GA2022★ 11 cited

A high resolution study of near-IR diffuse interstellar bands, search for small scale structure, time variability and stellar features

J. V. Smoker, A. Müller, A. Monreal Ibero +13

Diffuse interstellar bands comprise hundreds of absorption features in the ISM. Most DIBs are observed in the optical, but some are in the IR. We observed 76 early-type stars at R=…

astro-ph.GA2022★ 118 cited

The MUSE Hubble Ultra Deep Field surveys: Data release II

Roland Bacon, Jarle Brinchmann, Simon Conseil +30

We present the second data release of the MUSE Hubble UDF surveys, which includes the deepest spectroscopic survey ever performed. The MUSE data, with their 3D content, amazing dep…

astro-ph.GA2022★ 123 cited

JWST UNCOVER: Extremely red and compact object at triply imaged by Abell 2744

Lukas J. Furtak, Adi Zitrin, Adèle Plat +29

Recent JWST/NIRCam imaging taken for the ultra-deep UNCOVER program reveals a very red dropout object at , triply imaged by the galaxy cluster Abell 274…

astro-ph.GA2022★ 21 cited

JWST's PEARLS: TN J1338-1942 -- I. Extreme jet triggered star-formation in a luminous radio galaxy

Kenneth J. Duncan, Rogier A. Windhorst, Anton M. Koekemoer +25

We present the first JWST observations of the luminous radio galaxy TN J1338-1942, obtained as part of the ``Prime Extragalactic Areas for Reionization and Lensing Science…

astro-ph.GA2022★ 17 cited

Molecular Outflows in z > 6 QSO Hosts Driven by Star Formation

Kirsty M. Butler, Paul P. van der Werf, Theodoros Topkaras +4

Feedback and outflows in galaxies that are associated with a quasar phase are expected to be pivotal in quenching the most massive galaxies. However, observations targeting the mol…

astro-ph.GA2022★ 110 cited

UNCOVERing the extended strong lensing structures of Abell 2744 with the deepest JWST imaging

Lukas J. Furtak, Adi Zitrin, John R. Weaver +18

We present a new parametric lens model for the massive galaxy cluster Abell~2744 based on the new ultra-deep JWST imaging taken in the framework of the UNCOVER program. These obser…

astro-ph.GA2022★ 40 cited

The Pan-STARRS1 Quasar Survey: III. The Quasar Luminosity Function

Jan-Torge Schindler, Eduardo Bañados, Thomas Connor +9

We present the type-1 quasar luminosity function (QLF) based on the Pan-STARRS1 (PS1) quasar survey. The PS1 sample includes 125 quasars at with $…

astro-ph.GA2022★ 24 cited

Early-Forming Massive Stars Suppress Star Formation and Hierarchical Cluster Assembly

Sean C. Lewis, Stephen L. W. McMillan, Mordecai-Mark Mac Low +8

Feedback from massive stars plays an important role in the formation of star clusters. Whether a very massive star is born early or late in the cluster formation timeline has profo…

astro-ph.GA2022★ 12 cited

Central molecular zones in galaxies: multitransition survey of dense gas tracers HCN, HNC, and HCO+

F. P. Israel

New HCN, HNC, and HCO+ measurements of 46 normal galaxies in transitions up to J=4-3 are included in a multitransition database covering HCN and HCO+ (130 galaxies) and HNC (94 gal…

astro-ph.GA2022★ 16 cited

Morphology & Environment's Role on the Star Formation Rate -- Stellar Mass Relation in COSMOS from 0 < z < 3.5

Kevin C. Cooke, Jeyhan S. Kartaltepe, Caitlin Rose +6

We investigate the relationship between environment, morphology, and the star formation rate -- stellar mass relation derived from a sample of star-forming galaxies (commonly refer…

astro-ph.GA2022★ 25 cited

VERTICO III: The Kennicutt-Schmidt relation in Virgo cluster galaxies

M. J. Jiménez-Donaire, T. Brown, C. D. Wilson +19

In this VERTICO science paper we aim to study how the star formation process depends on galactic environment and gravitational interactions in the context of galaxy evolution. We e…

astro-ph.GA2022★ 29 cited

PDFchem: A new fast method to determine ISM properties and infer environmental parameters using probability distributions

Thomas G. Bisbas, Ewine F. van Dishoeck, Chia-Yu Hu +1

Determining the atomic and molecular content of the interstellar medium (ISM) as a function of environmental parameters is of fundamental importance to understand the star-formatio…

astro-ph.GA2022★ 13 cited

How to Interpret Measurements of Diffuse Light in Stacked Observations of Groups and Clusters of Galaxies

Syeda Lammim Ahad, Yannick M. Bahé, Henk Hoekstra

The diffuse light within galaxy groups and clusters provides valuable insight into the growth of massive cosmic structures. Groups are particularly interesting in this context, bec…

astro-ph.GA2022★ 9 cited

The environments and hosts of metal absorption at z>5

Caitlin C. Doughty, Kristian M. Finlator

A growing population of metal absorbers are observed at z>5, many showing strong evolution in incidence approaching the epoch of hydrogen reionization. Follow-up surveys examining…

astro-ph.GA2022★ 13 cited

The impact of carbon and oxygen abundances on the metal-poor initial mass function

Piyush Sharda, Anish M. Amarsi, Kathryn Grasha +5

Star formation models predict that the metal-poor initial mass function (IMF) can be substantially different from that observed in the metal-rich Milky Way. This changeover occurs…

astro-ph.GA2022★ 5 cited

Ionising feedback from an O star formed in a shock-compressed layer

Anthony Whitworth, Felix Priestley, Samuel Geen

We develop a simple analytic model for what happens when an O star (or compact cluster of OB stars) forms in a shock compressed layer and carves out an approximately circular hole…

astro-ph.GA2022★ 7 cited

The survival of stellar discs in Fornax-like environments, from TNG50 to real galaxies

Pablo M. Galán-de Anta, M. Sarzi, A. Pillepich +14

We study the evolution of kinematically-defined stellar discs in 10 Fornax-like clusters identified in the TNG50 run from the IllustrisTNG suite of cosmological simulations. We con…