output
19932026
most citedThe Gaia mission

7.1k citations

Showing 2021 · astro-ph.GAShow all

90 papers · 2 filters

astro-ph.GA2021★ 33 cited

A High-Resolution Investigation of the Multi-Phase ISM in a Galaxy during the First Two Billion Years

S. Dye, S. A. Eales, H. L. Gomez +20

We have carried out the first spatially-resolved investigation of the multi-phase interstellar medium (ISM) at high redshift, using the z=4.24 strongly-lensed sub-millimetre galaxy…

astro-ph.GA2021★ 10 cited

The detection of a massive chain of dark HI clouds in the GAMA G23 Field

Gyula I. G. Jozsa, T. H. Jarrett, Michelle Cluver +18

We report on the detection of a large, extended HI cloud complex in the GAMA G23 field, located at a redshift of , observed as part of the MeerHOGS campaign (a pilot…

astro-ph.GA2021

The AGN fuelling/feedback cycle in nearby radio galaxies -- IV. Molecular gas conditions and jet-ISM interaction in NGC3100

I. Ruffa, I. Prandoni, T. A. Davis +5

This is the fourth paper of a series investigating the AGN fuelling/feedback processes in a sample of eleven nearby low-excitation radio galaxies (LERGs). In this paper we present…

astro-ph.GA2021★ 90 cited

ATLASGAL -- Evolutionary trends in high-mass star formation

J. S. Urquhart, M. R. A. Wells, T. Pillai +13

ATLASGAL is a 870-mircon dust survey of 420 square degrees of the inner Galactic plane and has been used to identify ~10 000 dense molecular clumps. Dedicated follow-up observation…

astro-ph.GA2021★ 1 cited

Pilot study and early results of the Cosmic Filaments and Magnetism Survey with Nenufar: the Coma cluster field

Bonnassieux Etienne, Evangelia Tremou, Julien N. Girard +9

NenuFAR, the New Extension in Nancay Upgrading LOFAR, is currently in its early science phase. It is in this context that the Cosmic Filaments and Magnetism Pilot Survey is observi…

astro-ph.GA2021

The eMERLIN and EVN view of FR0 radio galaxies

Ranieri D. Baldi, Gabriele Giovannini, Alessandro Capetti

We present the results from high-resolution observations carried out with the eMERLIN UK-array and the European VLBI network (EVN) for a sample of 15 FR0s, i.e. compact core-domina…

astro-ph.GA2021★ 24 cited

The Type II AGN-host galaxy connection: insights from the VVDS and VIPERS surveys

G. Vietri, B. Garilli, M. Polletta +16

We present a study of optically-selected Type II AGN at 0.5 < z < 0.9 from the VIPERS and VVDS surveys, to investigate the connection between AGN activity and physical properties o…

astro-ph.GA2021★ 130 cited

The MeerKAT Galaxy Cluster Legacy Survey I. Survey Overview and Highlights

K. Knowles, W. D. Cotton, L. Rudnick +148

MeerKAT's large number of antennas, spanning 8 km with a densely packed 1 km core, create a powerful instrument for wide-area surveys, with high sensitivity over a wide range of an…

astro-ph.GA2021★ 31 cited

The deepest view of RBS 797: evidence for two pairs of equidistant X-ray cavities

Francesco Ubertosi, Myriam Gitti, Fabrizio Brighenti +14

We present the first results of a deep observation of the galaxy cluster RBS 797, whose previous X-ray studies revealed two pronounced X-ray cavities in the east-west (E-…

astro-ph.GA2021★ 139 cited

Event Horizon Telescope observations of the jet launching and collimation in Centaurus A

Michael Janssen, Heino Falcke, Matthias Kadler +236

Very-long-baseline interferometry (VLBI) observations of active galactic nuclei at millimeter wavelengths have the power to reveal the launching and initial collimation region of e…

astro-ph.GA2021★ 19 cited

OGHReS: Large-scale filaments in the outer Galaxy

D. Colombo, C. König, J. S. Urquhart +9

Filaments are a ubiquitous morphological feature of the molecular interstellar medium and are identified as sites of star formation. In recent years, more than 100 large-scale fila…

astro-ph.GA2021★ 4 cited

The central FR0 in the sloshing cluster Abell 795: Indications of mechanical feedback from Chandra data

Francesco Ubertosi, Myriam Gitti, Eleonora Torresi +2

We present a detailed study of the galaxy cluster Abell 795 and of its central Fanaroff-Riley Type 0 (FR0) radio galaxy. From an archival Chandra observation, we found a dynamicall…

astro-ph.GA2021★ 6 cited

Identification of single spectral lines in large spectroscopic surveys using UMLAUT: an Unsupervised Machine Learning Algorithm based on Unbiased Topology

I. Baronchelli, C. M. Scarlata, L. Rodriguez-Muñoz +19

The identification of an emission line is unambiguous when multiple spectral features are clearly visible in the same spectrum. However, in many cases, only one line is detected, m…

astro-ph.GA2021★ 13 cited

The MURALES survey. V. Jet-induced star formation in 3C 277.3 (Coma A)

A. Capetti, B. Balmaverde, C. Tadhunter +13

We present observations obtained with the VLT/MUSE optical integral field spectrograph of the radio source 3C277.3, located at a redshift of 0.085 and associated with the galaxy Co…

astro-ph.GA2021★ 1 cited

The mm-to-cm SED of spiral galaxies. Synergies between NIKA2 and SRT instruments

S. Bianchi, M. Murgia, A. Melis +9

The mm-to-cm range of the Spectral Energy Distribution of spiral galaxies remains largely unexplored. Its coverage is required to disentangle the contribution of dust emission, fre…

astro-ph.GA2021★ 21 cited

Daily variability at milli-arcsecond scales in the radio quiet NLSy1 Mrk 110

Francesca Panessa, Miguel Perez-Torres, Lorena Hernandez-Garcia +14

The origin of radio emission in the majority of Active Galactic Nuclei (AGN) is still poorly understood. Various competing mechanisms are likely involved in the production of radio…

astro-ph.GA2021★ 80 cited

Euclid preparation: XVIII. Cosmic Dawn Survey. Spitzer observations of the Euclid deep fields and calibration fields

Andrea Moneti, H. J. McCracken, M. Shuntov +194

We present a new infrared survey covering the three Euclid deep fields and four other Euclid calibration fields using Spitzer's Infrared Array Camera (IRAC). We have combined these…

astro-ph.GA2021★ 485 cited

COSMOS2020: A panchromatic view of the Universe to from two complementary catalogs

J. R. Weaver, O. B. Kauffmann, O. Ilbert +54

The Cosmic Evolution Survey (COSMOS) has become a cornerstone of extragalactic astronomy. Since the last public catalog in 2015, a wealth of new imaging and spectroscopic data has…

astro-ph.GA2021★ 36 cited

GASP XXXVIII: The LOFAR-MeerKAT-VLA view on the non-thermal side of a jellyfish galaxy

Alessandro Ignesti, Benedetta Vulcani, Bianca M. Poggianti +18

Ram pressure stripping is a crucial evolutionary driver for cluster galaxies. It is thought to be able to accelerate the evolution of their star formation, trigger the activity of…

astro-ph.GA2021★ 18 cited

A persistent double nuclear structure in 3C 84

Junghwan Oh, Jeffrey A. Hodgson, Sascha Trippe +11

3C 84 (NGC 1275) is the radio source at the center of the Perseus Cluster and exhibits a bright radio jet. We observed the source with the Global Millimeter VLBI Array (GMVA) betwe…

astro-ph.GA2021

Investigating the spectra and physical nature of galaxy scale jets

B. Webster, J. H. Croston, J. J. Harwood +4

Previous studies have shown that physically small, low-luminosity radio galaxies, which we refer to as galaxy scale jets (GSJ), could potentially have a significant effect upon the…

astro-ph.GA2021★ 27 cited

Two striking head-tail galaxies in the galaxy cluster IIZW108: insights into transition to turbulence, magnetic fields and particle re-acceleration

Ancla Müller, Christoph Pfrommer, Alessandro Ignesti +12

We present deep JVLA observations at 1.4 GHz and 2.7 GHz (full polarization), as well as optical OmegaWINGS/WINGS and X-ray observations of two extended radio galaxies in the IIZW1…

astro-ph.GA2021★ 49 cited

The ultra-steep diffuse radio emission observed in the cool-core cluster RX J1720.1+2638 with LOFAR at 54 MHz

N. Biava, F. de Gasperin, A. Bonafede +17

Diffuse radio emission at the centre of galaxy clusters has been observed both in merging clusters on scales of Mpc, called giant radio haloes, and in relaxed systems with a cool-c…

astro-ph.GA2021

MIGHTEE: total intensity radio continuum imaging and the COSMOS / XMM-LSS Early Science fields

I. Heywood, M. J. Jarvis, C. L. Hale +23

MIGHTEE is a galaxy evolution survey using simultaneous radio continuum, spectro-polarimetry, and spectral line observations from the South African MeerKAT telescope. When complete…