activity
20122026
most citedFirst Light LBT AO Images of HR 8799 bcde at 1.65 and 3.3 Microns: New Discrepancies between Young Planets and Old Brown Dwarfs

153 citations · 745 across the 74 of their papers we have counts for

collaborators

77 papers

astro-ph.GA2026

Dual and lensed AGN at sub-arcsecond separations uncovered by ERIS

M. V. Zanchettin, F. Mannucci, Q. D'Amato +62

We present the first results of the ongoing INAF GTO program focused on the search of sub-arcsecond dual AGN, carried out with the near-infrared integral-field unit SPIFFIER of the…

astro-ph.IM2026

MORFEO control strategy

Guido Agapito, Lorenzo Busoni, Cédric Plantet +7

The ESO Extremely Large Telescope (ELT) will offer unprecedented sensitivity and resolution in the near-infrared, marking a new era for ground-based astronomy. Among its key imagin…

astro-ph.IM2026

Characterization of the MUSE NFM PSF as a function of atmospheric conditions: TipTop calibration

Enrico Congiu, Fuyan Bian, Carlo F. Manara +8

The Multi Unit Spectroscopic Explorer (MUSE) achieves exceptional spatial resolution in narrow-field mode (NFM) thanks to the GALACSI adaptive optics (AO) system. However, limitati…

astro-ph.IM2026

DM/WFS mis-registration tracking: Implementation and on-sky validation of SPRINT at LBT

Ben Buky, Cédric Taïssir Héritier, Fabio Rossi +7

The advent of telescopes with an integrated deformable mirror (DM) presents new challenges for adaptive optics (AO) systems. The alignment between the DM and wavefront sensor (WFS)…

astro-ph.IM2026

ANDES, the high-resolution spectrograph of the ELT: simulated performance of the CORO module and overview of the high-contrast capabilities for exoplanet observations

M. N'Diaye, A. Simonnin, A. Spang +19

We present the simulated performance of the coronagraph (CORO) module for ANDES, the Extremely Large Telescope (ELT) high-resolution spectrograph. ANDES aims to address a broad ran…

astro-ph.IM2026

MORFEO: Advancing Towards Final Design

Lorenzo Busoni, Guido Agapito, Marco Bonaglia +106

The Multiconjugate adaptive Optics Relay For ELT Observations (MORFEO) is a first-generation adaptive optics module for the Extremely Large Telescope (ELT), designed to deliver a d…

astro-ph.EP2026★ 1 cited

Direct Imaging Discovery of Giant Exoplanet Pictoris d: A Decade-Long Game of Hide-and-Seek

Ben J. Sutlieff, Markus J. Bonse, Valentin Christiaens +94

We report the direct imaging discovery of a third exoplanet in the Pictoris system. We detect Pictoris d ( Pic d) in non-coronagraphic observations obtained with VLT/ERI…

astro-ph.IM2026

SynIM: a high-performance GPU-accelerated Python library for synthetic interaction and tomographic reconstruction matrices in next-generation adaptive optics

Guido Agapito, Fabio Rossi, Alfio Puglisi

Next-generation Adaptive Optics (AO) systems for 8-40m class telescopes, such as MORFEO (ELT) and MAVIS (VLT), demand high calibration accuracy. Controlling thousands of actuators…

astro-ph.IM2026

MORFEO wavefront error budget

Guido Agapito, Lorenzo Busoni, Cédric Plantet +2

MORFEO (Multi-conjugate adaptive Optics Relay For ELT Observations, formerly MAORY) is the multi-conjugate adaptive optics module of the ESO Extremely Large Telescope (ELT), design…

astro-ph.GA2026

Milky-Way-like stars in a galaxy core 8 billion years ago revealed by gravitational lensing

Quirino D'Amato, Filippo Mannucci, Alessandro Sonnenfeld +40

The assembly of stellar-dominated cores in elliptical galaxies is key to understanding how cosmic structures evolved. Gravitational lensing offers unique insights into the nature o…

astro-ph.IM2026

Introducing a new generation Adaptive Optics simulation framework: from PASSATA to SPECULA

Fabio Rossi, Alfio Puglisi, Guido Agapito

Numerical end-to-end simulation in Adaptive Optics (AO) is a key tool in the development of complex systems, from the initial design to the commissioning phase. Based on our previo…

astro-ph.IM2025

Super-resolution-enabled atmospheric tomography for astronomical multi-wavefront-sensor adaptive-optics systems

Carlos M. Correia, Pierre Jouve, Jesse Cranney +1

Recent work by Oberti et al, (Astron. Astrophys., 667, 48, 2022) argued and made a compelling case that classical astronomical adaptive optics (AO) tomography performance can be fu…

astro-ph.IM2025★ 1 cited

Interfacing adaptive optics simulations with the optical model: a powerful tool for MORFEO

Giorgio Pariani, Guido Agapito, Demetrio Magrin +5

In the framework of the MORFEO project, the Multi-Conjugated Adaptive Optics (MCAO) module for the European Extremely Large Telescope (ELT), we developed an integrated modeling too…

astro-ph.GA2025★ 1 cited

The gas streamer G1-2-3 in the Galactic Center

S. Gillessen, F. Eisenhauer, J. Cuadra +61

The black hole in the Galactic Center, Sgr A*, is prototypical for ultra-low-fed galactic nuclei. The discovery of a hand-full of gas clumps in the realm of a few Earth masses in i…

astro-ph.SR2025

J1250+0455AB an ultracool binary in a hierarchical triple system

Sayan Baig, R. L. Smart, Hugh R. A. Jones +7

We report the discovery of the ultracool dwarf binary system J1250+0455AB, a low-mass (M 0.2 M) system in which the components straddle the M/L dwa…

astro-ph.GA2025★ 2 cited

INSPIRE: INvestigating Stellar Populations In RElics. IX. KiDS J0842+0059: the first fully confirmed relic beyond the local Universe

C. Tortora, G. Tozzi, G. Agapito +20

Relics are massive, compact and quiescent galaxies that assembled the majority of their stars in the early Universe and lived untouched until today, completely missing any subseque…

astro-ph.EP2025★ 5 cited

High-contrast spectroscopy with the new VLT/ERIS instrument: Molecular maps and radial velocity of the gas giant AF Lep b

Jean Hayoz, Markus Johannes Bonse, Felix Dannert +66

The Enhanced Resolution Imager and Spectrograph (ERIS) is the new Adaptive-Optics (AO) assisted Infrared instrument at the Very Large Telescope (VLT). Its refurbished Integral Fiel…

astro-ph.IM2024

MAVIS: Enabling High-Precision Ground-Based Astrometry in the Visible Spectrum

Mojtaba Taheri, Jesse Cranney, Antonino Marasco +9

MAVIS (the MCAO-Assisted Visible Imager and Spectrograph), planned for the VLT Adaptive Optics Facility, represents an innovative step in Multi-Conjugate Adaptive Optics (MCAO) sys…

astro-ph.IM2024

GPI 2.0: Exploring The Impact of Different Readout Modes on the Wavefront Sensor's EMCCD

Clarissa R. Do Ó, Saavidra Perera, Jérôme Maire +26

The Gemini Planet Imager (GPI) is a high contrast imaging instrument that aims to detect and characterize extrasolar planets. GPI is being upgraded to GPI 2.0, with several subsyst…

astro-ph.IM2024

A numerical simulation study of an astrometry case for MORFEO at the ELT

Carmelo Arcidiacono, Elisa Portaluri, Marco Gullieuszik +7

We report results from numerical simulations assessing astrometry measurements with the Multiconjugate Adaptive Optics Relay for ELT Observations (MORFEO) instrument on the Extreme…

astro-ph.IM2024★ 2 cited

SPRINT for WFAO systems

Guido Agapito, Cédric Plantet, Cédric Taïssir Heritier

The calibration of future wide field adaptive optics (WFAO) systems requires knowledge of the geometry of the system, in particular the alignment parameters between the sub-apertur…

astro-ph.IM2024★ 6 cited

Strategy for sensing petal mode in presence of AO residual turbulence with pyramid wavefront sensor

Nicolas Levraud, Vincent Chambouleyron, Jean François Sauvage +9

With the Extremely Large Telescope-generation telescopes come new challenges. The complexity of these telescopes' pupil creates new problems for Adaptive Optics. In particular, the…

astro-ph.IM2023

CiaoCiao WFS: sensing phase discontinuities at the ELT

G. Carlà, L. Busoni, S. Esposito +2

The upcoming extremely large telescopes will have to deal with the so-called ''pupil fragmentation'' effect: for what concerns the Extremely Large Telescope (ELT), the presence of…

astro-ph.SR2023★ 6 cited

Near-Infrared Observations of Outflows and YSOs in the Massive Star-Forming Region AFGL 5180

S. Crowe, R. Fedriani, J. C. Tan +30

Methods: Broad- and narrow-band imaging of AFGL 5180 was made in the NIR with the LBT, in both seeing-limited ($\sim0.5\arcsec$) and high angular resolution ($\sim0.09\arcsec$) Ada…