Showing 2019 · astro-ph.GAShow all

93 papers · 2 filters

astro-ph.GA2019★ 19 cited

Structural and Dynamical Analysis of 0.1pc Cores and Filaments in the 30~Doradus-10 Giant Molecular Cloud

Remy Indebetouw, Tony Wong, C. -H. Rosie Chen +4

High-resolution (0.1pc) ALMA observations of the 30Dor-10 molecular cloud 15pc north of R136 are presented. The CO 2-1 emission morphology contains clumps near the locati…

astro-ph.GA2019★ 72 cited

The ISM scaling relations in DustPedia late-type galaxies: A benchmark study for the Local Universe

Viviana Casasola, Simone Bianchi, Pieter De Vis +18

The purpose of this work is the characterization of the main scaling relations between all the ISM components (dust, atomic/molecular/total gas), gas-phase metallicity, and other g…

astro-ph.GA2019★ 3 cited

Spatial segregation of massive clusters in dwarf galaxies

Bruce G. Elmegreen, A. Adamo, M. Boquien +14

The relative average minimum projected separations of star clusters in the Legacy ExtraGalactic UV Survey (LEGUS) and in tidal dwarfs around the interacting galaxy NGC 5291 are det…

astro-ph.GA2019★ 46 cited

Probing black hole accretion tracks, scaling relations and radiative efficiencies from stacked X-ray active galactic nuclei

Francesco Shankar, David H. Weinberg, Christopher Marsden +25

The masses of supermassive black holes at the centres of local galaxies appear to be tightly correlated with the mass and velocity dispersions of their galactic hosts. However, the…

astro-ph.GA2019★ 92 cited

Modeling Dust and Starlight in Galaxies Observed by Spitzer and Herschel: The KINGFISH Sample

G. Aniano, B. T. Draine, L. K. Hunt +30

Dust and starlight are modeled for the KINGFISH project galaxies. With data from 3.6 micron to 500 micron, models are strongly constrained. For each pixel in each galaxy we estimat…

astro-ph.GA2019★ 12 cited

The dynamically young outflow of the Class 0 protostar Cha-MMS1

L. A. Busch, A. Belloche, S. Cabrit +2

On the basis of its low luminosity, its chemical composition, and the absence of a large-scale outflow, the dense core Cha-MMS1 located in the Chamaeleon I molecular cloud was prop…

astro-ph.GA2019★ 13 cited

Unveiling Sizes of Compact AGN Hosts with ALMA

Yu-Yen Chang, Emeric Le Floc'h, Stéphanie Juneau +7

We present rest-frame far-infrared (FIR) and optical size measurements of AGN hosts and star-forming galaxies in the COSMOS field, enabled by high-resolution ALMA/1 mm (0.1 arcsec…

astro-ph.GA2019★ 3 cited

The NIKA polarimeter on science targets. Crab nebula observations at 150 GHz and dual-band polarization images of Orion Molecular Cloud OMC-1

A. Ritacco, R. Adam, P. Ade +39

We present here the polarization system of the NIKA camera and give a summary of the main results obtained and performed studies on Orion and the Crab nebula. The polarization syst…

astro-ph.GA2019★ 92 cited

Low dust emissivities and radial variations in the envelopes of Class 0 protostars: a signature of early grain growth?

Maud Galametz, Anaelle J. Maury, Valeska Valdivia +3

Analyzing the properties of dust and its evolution in the early phases of star formation is crucial to put constraints on the collapse and accretion processes as well as on the pri…

astro-ph.GA2019★ 53 cited

Probing fragmentation and velocity sub-structure in the massive NGC 6334 filament with ALMA

Y. Shimajiri, Ph. Andre, E. Ntormousi +3

Herschel surveys of Galactic clouds support a paradigm for low-mass star formation in which dense filaments play a crucial role. The detailed fragmentation properties of star-formi…

astro-ph.GA2019★ 6 cited

The XXL Survey: XXXIX. Polarised radio sources in the XXL-South field

R. A. J. Eyles, M. Birkinshaw, V. Smolcic +6

Aims: We investigate the properties of the polarised radio population in the central 6.5 deg of the XXL-South field observed at 2.1 GHz using the Australia Telescope Compact…

astro-ph.GA2019★ 1 cited

GASTON: Galactic Star Formation with NIKA2: A new population of cold massive sources discovered

N. Peretto, A. Rigby, R. Adam +43

Understanding where and when the mass of stars is determined is one of the fundamental, mostly unsolved, questions in astronomy. Here, we present the first results of GASTON, the G…

astro-ph.GA2019★ 74 cited

The Canada-France Imaging Survey: Reconstructing the Milky Way Star Formation History from its White Dwarf Population

Nicholas J. Fantin, Patrick Côté, Alan W. McConnachie +15

As the remnants of stars with initial masses 8 M, white dwarfs contain valuable information on the formation histories of stellar populations. In this paper, w…

astro-ph.GA2019★ 40 cited

The headlight cloud in NGC 628: An extreme giant molecular cloud in a typical galaxy disk

Cinthya N. Herrera, Jérôme Pety, Annie Hughes +25

Cloud-scale surveys of molecular gas reveal the link between molecular clouds properties and star formation (SF) across a range of galactic environments. Cloud populations in galax…

astro-ph.GA2019★ 52 cited

A Census of Sub-kiloparsec Resolution Metallicity Gradients in Star-forming Galaxies at Cosmic Noon from HST Slitless Spectroscopy

Xin Wang, Tucker A. Jones, Tommaso Treu +12

We present hitherto the largest sample of gas-phase metallicity radial gradients measured at sub-kiloparsec resolution in star-forming galaxies in the redshift range of $z\in[1.2,…

astro-ph.GA2019★ 135 cited

Automated Mining of the ALMA Archive in the COSMOS Field (A3COSMOS): II. Cold Molecular Gas Evolution out to Redshift 6

Daizhong Liu, E. Schinnerer, B. Groves +13

We present new measurements of the cosmic cold molecular gas evolution out to redshift 6 based on systematic mining of the ALMA public archive in the COSMOS deep field (A3COSMOS).…

astro-ph.GA2019★ 15 cited

Jellyfish: Resolving the kinematics of extreme ram-pressure stripping at

Boris S. Kalita, Harald Ebeling

We present and discuss results from the first spatially resolved kinematic study of ram-pressure stripping of a massive late-type galaxy at intermediate redshifts. Our target, the…

astro-ph.GA2019★ 86 cited

Probing the merger history of red early-type galaxies with their faint stellar substructures

B. Mancillas, P. -A. Duc, F. Combes +4

Several deep observations such as those carried out at the Canada-France-Hawaii Telescope (CFHT) have revealed prominent Low Surface Brightness (LSB) fine structures that change th…

astro-ph.GA2019★ 22 cited

Resolving the Interstellar Medium in Ultraluminous Infrared QSO Hosts with ALMA

Qing-Hua Tan, Yu Gao, Kotaro Kohno +8

We present ALMA observations of the CO(1-0) line and 3-mm continuum emission in eight ultraluminous infrared (IR) quasi-stellar objects (QSOs) at z = 0.06-0.19. All eight IR QSO ho…

astro-ph.GA2019★ 8 cited

Discovery of a large HI ring around the quiescent galaxy AGC 203001

Omkar Bait, Sushma Kurapati, Pierre-Alain Duc +4

Here we report the discovery with the Giant Metrewave Radio Telescope of an extremely large (115 kpc in diameter) HI ring off-centered from a massive quenched galaxy, AGC 203…

astro-ph.GA2019★ 15 cited

The galaxy's gas content regulated by the dark matter halo mass results in a super-linear M-M relation

I. Delvecchio, E. Daddi, F. Shankar +8

Supermassive black holes (SMBHs) are tightly correlated with their hosts but the origin of such connection remains elusive. To explore the cosmic build-up of this scaling relation,…

astro-ph.GA2019★ 18 cited

Predicting the global far-infrared SED of galaxies via machine learning techniques

W. Dobbels, M. Baes, S. Viaene +10

Dust plays an important role in shaping a galaxy's spectral energy distribution (SED). It absorbs ultraviolet (UV) to near-infrared (NIR) radiation and re-emits this energy in the…

astro-ph.GA2019

Dwarfs or giants? Stellar metallicities and distances in the Canada-France-Imaging-Survey from multi-band photometry

Guillaume F. Thomas, Nicholaas Annau, Alan McConnachie +19

We present a new fully data-driven algorithm that uses photometric data from the Canada-France-Imaging-Survey (CFIS; ), Pan-STARRS 1 (PS1; ), and Gaia () to discriminat…

astro-ph.GA2019★ 35 cited

Merger induced clump formation in distant infrared luminous starburst galaxies

Antonello Calabrò, Emanuele Daddi, Jérémy Fensch +6

While the formation of stellar clumps in distant galaxies is usually attributed to gravitational violent disk instabilities, we show here that major mergers also represent a compet…