150 citations · 570 across the 16 of their papers we have counts for
16 papers
A deep learning approach for focal-plane wavefront sensing using vortex phase diversity
M. Quesnel, G. Orban de Xivry, G. Louppe +1
The performance of high-contrast imaging instruments is limited by wavefront errors, in particular by non-common path aberrations (NCPAs). Focal-plane wavefront sensing (FPWFS) is…
Exoplanets with ELT-METIS I: Estimating the direct imaging exoplanet yield around stars within 6.5 parsecs
Rory Bowens, Michael R. Meyer, C. Delacroix +9
Direct imaging is a powerful exoplanet discovery technique that is complementary to other techniques and offers great promise in the era of 30 meter class telescopes. Space-based t…
Focal Plane Wavefront Sensing using Machine Learning: Performance of Convolutional Neural Networks compared to Fundamental Limits
G. Orban de Xivry, M. Quesnel, P. -O. Vanberg +2
Focal plane wavefront sensing (FPWFS) is appealing for several reasons. Notably, it offers high sensitivity and does not suffer from non-common path aberrations (NCPA). The price t…
LLAMA: Stellar populations in the nuclei of ultra hard X-ray selected AGN and matched inactive galaxies
L. Burtscher, R. I. Davies, T. T. Shimizu +10
The relation between nuclear ( 50 pc) star formation and nuclear galactic activity is still elusive: theoretical models predict a link between the two, but it is unclear…
Imaging low-mass planets within the habitable zone of α Centauri
K. Wagner, A. Boehle, P. Pathak +39
Giant exoplanets on wide orbits have been directly imaged around young stars. If the thermal background in the mid-infrared can be mitigated, then exoplanets with lower masses can…
Design, pointing control, and on-sky performance of the mid-infrared vortex coronagraph for the VLT/NEAR experiment
A. -L. Maire, E. Huby, O. Absil +16
Vortex coronagraphs have been shown to be a promising avenue for high-contrast imaging in the close-in environment of stars at thermal infrared (IR) wavelengths. They are included…
Ionized outflows in local luminous AGN: what are the real densities and outflow rates?
R. Davies, D. Baron, T. Shimizu +23
We report on the determination of electron densities, and their impact on the outflow masses and rates, measured in the central few hundred parsecs of 11 local luminous active gala…
New high-resolution near-infrared observations of the asymmetric jet of the massive young stellar object G192.16-3.82
Paul A. Boley, Hendrik Linz, Nadezhda Dmitrienko +6
The process of massive star formation is tightly connected with the appearance of molecular outflows, which interact with surrounding interstellar medium and can be used as a proxy…
High contrast imaging with ELT/METIS: The wind driven halo, from SPHERE to METIS
Faustine Cantalloube, Olivier Absil, Thomas Bertram +13
METIS is one of the three first-light instruments planned for the ELT, mainly dedicated to high contrast imaging in the mid-infrared. On the SPHERE high-contrast instrument current…
The multiphase gas structure and kinematics in the circumnuclear region of NGC 5728
T. Taro Shimizu, R. I. Davies, D. Lutz +22
We report on our combined analysis of HST, VLT/MUSE, VLT/SINFONI, and ALMA observations of the local Seyfert 2 galaxy, NGC 5728 to investigate in detail the feeding and feedback of…
LBT/ARGOS adaptive optics observations of z lensed galaxies
M. Perna, M. Curti, G. Cresci +24
Gravitationally lensed systems allow a detailed view of galaxies at high redshift. High spatial- and spectral-resolution measurements of arc-like structures can offer unique constr…
ARGOS at the LBT. Binocular laser guided ground layer adaptive optics
S. Rabien, R. Angel, L. Barl +48
Having completed its commissioning phase, the Advanced Rayleigh guided Ground-layer adaptive Optics System (ARGOS) facility is coming online for scientific observations at the Larg…
LLAMA: Normal star formation efficiencies of molecular gas in the centres of luminous Seyfert galaxies
D. J. Rosario, L. Burtscher, R. I. Davies +23
Using new APEX and JCMT spectroscopy of the CO 2-1 line, we undertake a controlled study of cold molecular gas in moderately luminous Active Galactic Nuclei (AGN) and inactive gala…
LLAMA: Nuclear stellar properties of Swift BAT AGN and matched inactive galaxies
Ming-Yi Lin, R. I. Davies, E. K. S. Hicks +20
In a complete sample of local 14-195 keV selected AGNs and inactive galaxies, matched by their host galaxy properties, we study the spatially resolved stellar kinematics and lumino…
Thick Disks, and an Outflow, of Dense Gas in the Nuclei of Nearby Seyfert Galaxies
Ming-Yi Lin, R. I. Davies, L. Burtscher +12
We discuss the dense molecular gas in central regions of nearby Seyfert galaxies, and report new arcsec resolution observations of HCN(1-0) and HCO(1-0) for 3 objects. In NGC 3…
Insights on the Dusty Torus and Neutral Torus from Optical and X-ray Obscuration in a Complete Volume Limited Hard X-ray AGN Sample
R. Davies, L. Burtscher, D. Rosario +21
We describe a complete volume limited sample of nearby active galaxies selected by their 14-195keV luminosity, and outline its rationale for studying the mechanisms regulating gas…