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72 papers · 2 filters
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…
Finding binary black holes in the Milky Way with LISA
Alberto Sesana, Astrid Lamberts, Antoine Petiteau
We determine the main properties of the Galactic binary black hole (BBH) population detectable by LISA and strategies to distinguish them from the much more numerous white dwarf bi…
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…
An image of the dust sublimation region in the nucleus of NGC 1068
GRAVITY Collaboration, O. Pfuhl, R. Davies +40
We present near-infrared interferometric data on the Seyfert 2 galaxy NGC 1068, obtained with the GRAVITY instrument on the European Southern Observatory Very Large Telescope Inter…
The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra
Romina Ahumada, Carlos Allende Prieto, Andres Almeida +310
This paper documents the sixteenth data release (DR16) from the Sloan Digital Sky Surveys; the fourth and penultimate from the fourth phase (SDSS-IV). This is the first release of…
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…
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…
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…
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…
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…
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…
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…
Simulating MOS science on the ELT: Ly forest tomography
J. Japelj, C. Laigle, M. Puech +14
Mapping of the large-scale structure through cosmic time has numerous applications in the studies of cosmology and galaxy evolution. At , the structure can be traced by the…
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…
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…
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…
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…
ALMA images the many faces of the NGC1068 torus and its surroundings
S. Garcia-Burillo, F. Combes, C. Ramos Almeida +18
We investigate the fueling and the feedback of nuclear activity in the Seyfert 2 galaxy NGC1068, by studying the distribution and kinematics of molecular gas in the torus and its c…
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…
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…
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…
Investigation of the Origin of the Anomalous Microwave Emission in Lambda Orionis
Aaron C. Bell, Takashi Onaka, Frédéric Galliano +5
The anomalous microwave emission (AME) still lacks a conclusive explanation. This excess of emission, roughly between 10 and 50 GHz, tends to defy attempts to explain it as synchro…
Newly discovered dwarf galaxies in the MATLAS low density fields
Rebecca Habas, Francine R. Marleau, Pierre-Alain Duc +16
We present the photometric properties of 2210 newly identified dwarf galaxy candidates in the MATLAS fields. The Mass Assembly of early Type gaLAxies with their fine Structures (MA…
Dust emissivity and absorption cross section in DustPedia late-type galaxies
S. Bianchi, V. Casasola, M. Baes +16
Aims: We compare the far-infrared to sub-millimetre dust emission properties measured in high Galactic latitude cirrus with those determined in a sample of 204 late-type DustPedia…