Showing 2022 · astro-ph.GAShow all

122 papers · 2 filters

astro-ph.GA2022★ 11 cited

Physical conditions for dust grain alignment in Class 0 protostellar cores I. Observations of dust polarization and molecular irradiation tracers

Valentin J. M. Le Gouellec, Anaëlle J. Maury, Charles L. H. Hull

High angular resolution observations of Class 0 protostars have produced detailed maps of the polarized dust emission in the envelopes of these young embedded objects. Interestingl…

astro-ph.GA2022★ 24 cited

JCMT BISTRO Observations: Magnetic Field Morphology of Bubbles Associated with NGC 6334

Mehrnoosh Tahani, Pierre Bastien, Ray S. Furuya +142

We study the HII regions associated with the NGC 6334 molecular cloud observed in the sub-millimeter and taken as part of the B-fields In STar-forming Region Observations (BISTRO)…

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★ 7 cited

HyGAL: Characterizing the Galactic ISM with observations of hydrides and other small molecules II. The absorption line survey with the IRAM 30 m telescope

W. -J. Kim, P. Schilke, D. A. Neufeld +11

As a complement to the HyGAL Stratospheric Observatory for Infrared Astronomy Legacy Program, we report the results of a ground-based absorption line survey of simple molecules in…

astro-ph.GA2022★ 26 cited

The JCMT BISTRO-2 Survey: Magnetic Fields of the Massive DR21 Filament

Tao-Chung Ching, Keping Qiu, Di Li +154

We present 850 m dust polarization observations of the massive DR21 filament from the B-fields In STar-forming Region Observations (BISTRO) survey, using the POL-2 polarimeter a…

astro-ph.GA2022★ 177 cited

The Art of Measuring Physical Parameters in Galaxies: A Critical Assessment of Spectral Energy Distribution Fitting Techniques

Camilla Pacifici, Kartheik G. Iyer, Bahram Mobasher +52

The study of galaxy evolution hinges on our ability to interpret multi-wavelength galaxy observations in terms of their physical properties. To do this, we rely on spectral energy…

astro-ph.GA2022★ 20 cited

Massive galaxy formation caught in action at z~5 with JWST

Shuowen Jin, Nikolaj B. Sillassen, Georgios E. Magdis +13

We report the discovery of a compact group of galaxies, CGG-z5, at z~5.2 in the EGS field covered by the JWST/CEERS survey. CGG-z5 was selected as the highest overdensity of galaxi…

astro-ph.GA2022★ 7 cited

Synthetic dust polarization emission maps at 353 GHz for an observer placed inside a Local Bubble-like cavity

E. Maconi, J. D. Soler, S. Reissl +10

We present a study of synthetic observations of polarized dust emission at 353 GHz as seen by an observer within a cavity in the interstellar medium (ISM). The cavity is selected f…

astro-ph.GA2022★ 34 cited

A strong He II 1640 emitter with extremely blue UV spectral slope at : presence of Pop III stars?

Xin Wang, Cheng Cheng, Junqiang Ge +12

Cosmic hydrogen reionization and cosmic production of first metals are major phase transitions of the universe occurring during the first billion years after the Big Bang, however…

astro-ph.GA2022★ 22 cited

The galaxy mass-size relation in CARLA clusters and proto-clusters at 1.4 < z < 2.8: larger cluster galaxy sizes

Anton V. Afanasiev, Simona Mei, Hao Fu +12

(Abridged) We study the galaxy mass-size relation in CARLA spectroscopically confirmed clusters at , which span a total stellar mass $11.3<\mathrm{log}(M^c_*/M_{\odot})<…

astro-ph.GA2022★ 10 cited

Evidence for large-scale excesses associated with low HI column densities in the sky I. Dust excess

Jean-Marc Casandjian, Jean Ballet, Isabelle Grenier +1

Where dust and gas are uniformly mixed, atomic hydrogen can be traced through the detection of far-infrared (FIR) or UV emission of dust. We considered, for the origin of discrepan…

astro-ph.GA2022★ 12 cited

Gas kinematics around filamentary structures in the Orion B cloud

Mathilde Gaudel, Jan H. Orkisz, Maryvonne Gerin +27

Understanding the initial properties of star-forming material and how they affect the star formation process is key. From an observational point of view, the feedback from young hi…

astro-ph.GA2022★ 9 cited

The uncertain interstellar medium of high-redshift quiescent galaxies: Impact of methodology

Raphaël Gobat, Chiara D'Eugenio, Daizhong Liu +3

How much gas and dust is contained in high-redshift quiescent galaxies (QGs) is currently an open question with relatively few and contradictory answers, as well as important impli…

astro-ph.GA2022★ 78 cited

The Star Formation Rate of the Milky Way as seen by Herschel

D. Elia, S. Molinari, E. Schisano +23

We present a new derivation of the Milky Way's current star formation rate (SFR) based on the data of the Hi-GAL Galactic plane survey. We estimate the distribution of the SFR acro…

astro-ph.GA2022★ 20 cited

S-PLUS DR1 galaxy clusters and groups catalogue using PzWav

S. V. Werner, E. S. Cypriano, A. H. Gonzalez +16

We present a catalogue of 4499 groups and clusters of galaxies from the first data release of the multi-filter (5 broad, 7 narrow) Southern Photometric Local Universe Survey (S-PLU…

astro-ph.GA2022★ 21 cited

GOODS-ALMA 2.0: Last gigayear star formation histories of the so-called starbursts within the main sequence

L. Ciesla, C. Gómez-Guijarro, V. Buat +8

Recently, a population of compact main sequence (MS) galaxies exhibiting starburst-like properties have been identified in the GOODS-ALMA blind survey at 1.1mm. Several evolution s…

astro-ph.GA2022★ 52 cited

Protostellar collapse simulations in spherical geometry with dust coagulation and fragmentation

Ugo Lebreuilly, Valentin Vallucci-Goy, Vincent Guillet +2

We model the coagulation and fragmentation of dust grains during the protostellar collapse with our newly developed shark code. It solves the gas-dust hydrodynamics in a spherical…

astro-ph.GA2022★ 25 cited

A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).XIV. The main sequence relation in a rich environment down to M_star ~ 10^6 Mo

A. Boselli, M. Fossati, J. Roediger +15

Using a compilation of Halpha fluxes for 384 star forming galaxies detected during the VESTIGE survey, we study several important scaling relations for a complete sample of galaxie…

astro-ph.GA2022★ 524 cited

CEERS Key Paper I: An Early Look into the First 500 Myr of Galaxy Formation with JWST

Steven L. Finkelstein, Micaela B. Bagley, Henry C. Ferguson +64

We present an investigation into the first 500 Myr of galaxy evolution from the Cosmic Evolution Early Release Science (CEERS) survey. CEERS, one of 13 JWST ERS programs, targets g…

astro-ph.GA2022★ 134 cited

CEERS Key Paper V: A triality on the nature of HST-dark galaxies

Pablo G. Pérez-González, Guillermo Barro, Marianna Annunziatella +52

The new capabilities that JWST offers in the near- and mid-infrared (IR) are used to investigate in unprecedented detail the nature of optical/near-IR faint, mid-IR bright sources,…

astro-ph.GA2022★ 33 cited

The resolved scaling relations in DustPedia: Zooming in on the local Universe

Viviana Casasola, Simone Bianchi, Laura Magrini +18

We perform a homogeneous analysis of an unprecedented set of spatially resolved scaling relations (SRs) between ISM components and other properties in the range of scales 0.3-3.4 k…

astro-ph.GA2022★ 15 cited

A Tale of a Tail: A Tidally-Disrupting Ultra-Diffuse Galaxy in the M81 Group

Rokas Žemaitis, Annette M. N. Ferguson, Sakurako Okamoto +4

We present the discovery of a giant tidal tail of stars associated with F8D1, the closest known example of an ultra-diffuse galaxy (UDG). F8D1 sits in a region of the sky heavily c…

astro-ph.GA2022★ 25 cited

How magnetic field and stellar radiative feedback influences the collapse and the stellar mass spectrum of a massive star forming clump

Patrick Hennebelle, Ugo Lebreuilly, Tine Colman +10

In spite of decades of theoretical efforts, the physical origin of the stellar initial mass function (IMF) is still debated. We aim at understanding the influence of various physic…

astro-ph.GA2022★ 44 cited

On the typical width of Herschel filaments

Ph. André, P. Palmeirim, D. Arzoumanian

Herschel studies suggest that nearby (d < 500 pc) molecular filaments have a typical half-power width ~0.1pc, but this finding has been questioned on the ground that the measured w…