7.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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31 papers · 2 filters
The impact of spiral density waves on the star formation distribution: a view from core-collapse supernovae
A. G. Karapetyan, A. A. Hakobyan, L. V. Barkhudaryan +4
We present an analysis of the impact of spiral density waves (DWs) on the radial and surface density distributions of core-collapse (CC) supernovae (SNe) in host galaxies with diff…
Spatially resolved rotation of the broad-line region of a quasar at sub-parsec scale
GRAVITY Collaboration, E. Sturm, J. Dexter +32
The broadening of atomic emission lines by high-velocity motion of gas near accreting supermassive black holes is an observational hallmark of quasars. Observations of broad emissi…
Global Correlations Between the Radio Continuum, Infrared and CO Emission in Dwarf Galaxies
Mercedes E. Filho, Fatemeh S. Tabatabaei, Jorge Sanchez Almeida +2
Correlations between the radio continuum, infrared and CO emission are known to exist for several types of galaxies and across several orders of magnitude. However, the low-mass, l…
Probing accretion of ambient cloud material into the Taurus B211/B213 filament
Y. Shimajiri, Ph. Andre, P. Palmeirim +5
Herschel observations have emphasized the role of molecular filaments in star formation. However, the origin and evolution of these filaments are not yet well understood, partly be…
The MUSE-Wide Survey: Survey Description and First Data Release
T. Urrutia, L. Wisotzki, J. Kerutt +17
We present the MUSE-Wide survey, a blind, 3D spectroscopic survey in the CANDELS/GOODS-S and CANDELS/COSMOS regions. Each MUSE-Wide pointing has a depth of 1 hour and hence targets…
Detection of orbital motions near the last stable circular orbit of the massive black hole SgrA*
GRAVITY Collaboration, R. Abuter, A. Amorim +57
We report the detection of continuous positional and polarization changes of the compact source SgrA* in high states ('flares') of its variable near- infrared emission with the nea…
A headless tadpole galaxy: the high gas-phase metallicity of the ultra-diffuse galaxy UGC 2162
J. Sanchez Almeida, A. Olmo-Garcia, B. G. Elmegreen +5
The cosmological numerical simulations tell us that accretion of external metal-poor gas drives star-formation (SF) in galaxy disks. One the best pieces of observational evidence s…
Photoionization models for extreme Ly 1216 and HeII 1640 ratios in quasar halos, and PopIII vs AGN diagnostics
A. Humphrey, M. Villar-Martín, L. Binette +1
We explore mechanisms to produce extremely high Ly-alpha/HeII flux ratios, or to enhance the observed number of Ly-alpha photons per incident ionizing photon, in extended AGN-photo…
Nearly all the sky is covered by Lyman-alpha emission around high redshift galaxies
L. Wisotzki, R. Bacon, J. Brinchmann +22
Galaxies are surrounded by large reservoirs of gas, mostly hydrogen, fed by inflows from the intergalactic medium and by outflows due to galactic winds. Absorption-line measurement…
Gaia DR2 unravels incompleteness of nearby cluster population: New open clusters in the direction of Perseus
T. Cantat-Gaudin, A. Krone-Martins, N. Sedaghat +13
Open clusters (OCs) are popular tracers of the structure and evolutionary history of the Galactic disk. The OC population is often considered to be complete within 1.8 kpc of the S…
Characterizing the properties of nearby molecular filaments observed with Herschel
D. Arzoumanian, Ph. André, V. Könyves +8
[Abridged] Molecular filaments have received special attention recently, thanks to new observational results on their properties. In particular, our early analysis of filament prop…
A catalogue of dense cores and young stellar objects in the Lupus complex based on Herschel Gould Belt Survey observations
M. Benedettini, S. Pezzuto, E. Schisano +13
The Herschel Gould Belt Survey key project mapped the bulk of nearby star-forming molecular clouds in five far-infrared bands with the aim of compiling complete census of prestella…
Detection of large scale Ly absorbers at large angles to the radio axis of high-redshift radio galaxies using SOAR
M. Silva, A. Humphrey, P. Lagos +4
We present an investigation of the properties of the extended Ly halo and the large-scale \ion{H}{I} absorbing structures associated with 5 high-redshift radio galaxies at z …
MUSE Spectroscopic Identifications of Ultra-Faint Emission Line Galaxies with M -15
Michael V. Maseda, Roland Bacon, Marijn Franx +16
Using an ultra-deep blind survey with the MUSE integral field spectrograph on the ESO Very Large Telescope, we obtain spectroscopic redshifts to a depth never explored before: gala…
3D shape of Orion A from Gaia DR2
Josefa E. Grossschedl, Joao Alves, Stefan Meingast +16
We use the DR2 distances of about 700 mid-infrared selected young stellar objects in the benchmark giant molecular cloud Orion A to infer its 3D shape and orientati…
The MUSE Hubble Ultra Deep Field Survey XI. Constraining the low-mass end of the stellar mass - star formation rate relation at
Leindert A. Boogaard, Jarle Brinchmann, Nicolas Bouché +16
Star-forming galaxies have been found to follow a relatively tight relation between stellar mass () and star formation rate (SFR), dubbed the `star formation sequence'. A tu…
The impact of spiral density waves on the distribution of Supernovae
A. G. Karapetyan, A. A. Hakobyan, L. V. Barkhudaryan +4
We present an analysis of the impact of spiral density waves (DWs) on the radial and surface density distributions of supernovae (SNe) in host galaxies with different arm classes.…
Detection of the gravitational redshift in the orbit of the star S2 near the Galactic centre massive black hole
GRAVITY Collaboration, R. Abuter, A. Amorim +95
The highly elliptical, 16-year-period orbit of the star S2 around the massive black hole candidate Sgr A* is a sensitive probe of the gravitational field in the Galactic centre. Ne…
AzTEC 1.1 mm observations of high-z protocluster environments: SMG overdensities and misalignment between AGN jets and SMG distribution
M. Zeballos, I. Aretxaga, D. H. Hughes +20
We present observations at 1.1 mm towards 16 powerful radio galaxies and a radio-quiet quasar at 0.5<z<6.3 acquired with the AzTEC camera mounted at the JCMT and ASTE to study the…
The Gaia-ESO Survey: the origin and evolution of s-process elements
L. Magrini, L. Spina, S. Randich +45
Several works have found an increase of the abundances of the s-process neutron-capture elements in the youngest Galactic stellar populations, giving important constraints to stell…
The MUSE Hubble Ultra Deep Field Survey: XII. MgII emission and absorption in star-forming galaxies
Anna Feltre, Roland Bacon, Laurence Tresse +18
The physical origin of the near-ultraviolet MgII emission remains an under-explored domain, contrary to more typical emission lines detected in the spectra of star-forming galaxies…
A distance of 13 Mpc resolves the claimed anomalies of the galaxy lacking dark matter
Ignacio Trujillo, Michael A. Beasley, Alejandro Borlaff +10
The claimed detection of a diffuse galaxy lacking dark matter represents a possible challenge to our understanding of the properties of these galaxies and galaxy formation in gener…
First gas-phase metallicity gradients of galaxies with MUSE
David Carton, Jarle Brinchmann, Thierry Contini +8
Galaxies at low-redshift typically possess negative gas-phase metallicity gradients (centres more metal-rich than their outskirts). Whereas, it is not uncommon to observe positive…
An Unusual Transient in the Extremely Metal-Poor Galaxy SDSS J094332.35+332657.6 (Leoncino Dwarf)
Mercedes E. Filho, J. Sánchez Almeida
We have serendipitously discovered that Leoncino Dwarf, an ultra-faint, low-metallicity record-holder dwarf galaxy, may have hosted a transient source, and possibly exhibited a cha…