activity
20022025
most citedDiscovery of a planetary-mass companion within the gap of the transition disk around PDS 70

700 citations · 3.3k across the 33 of their papers we have counts for

collaborators

33 papers

astro-ph.EP2025★ 7 cited

The SPHERE infrared survey for exoplanets (SHINE). V. Complete observations, data reduction and analysis, detection performances, and final results

A. Chomez, P. Delorme, A. -M. Lagrange +117

During the past decade, state-of-the-art planet-finder instruments like SPHERE@VLT, coupling coronagraphic devices and extreme adaptive optics systems, unveiled, thanks to large su…

astro-ph.IM2023★ 1 cited

First light of VLT/HiRISE: High-resolution spectroscopy of young giant exoplanets

A. Vigan, M. El Morsy, M. Lopez +46

A major endeavor of this decade is the direct characterization of young giant exoplanets at high spectral resolution to determine the composition of their atmosphere and infer thei…

astro-ph.IM2022★ 4 cited

Euclid Near Infrared Spectrometer and Photometer instrument flight model presentation, performance and ground calibration results summary

T. Maciaszek, A. Ealet, W. Gillard +95

The NISP (Near Infrared Spectrometer and Photometer) is one of the two Euclid instruments. It operates in the near-IR spectral region (950-2020nm) as a photometer and spectrometer.…

astro-ph.IM2022★ 1 cited

Connecting SPHERE and CRIRES+ for the characterisation of young exoplanets at high spectral resolution: status update of VLT/HiRISE

A. Vigan, M. Lopez, M. El Morsy +32

New generation exoplanet imagers on large ground-based telescopes are highly optimised for the detection of young giant exoplanets in the near-infrared, but they are intrinsically…

astro-ph.EP2021★ 15 cited

Revealing asymmetrical dust distribution in the inner regions of HD 141569

Garima Singh, Trisha Bhowmik, Anthony Boccaletti +42

We obtained polarimetric differential imaging of a gas-rich debris disk around HD 141569A with SPHERE in the H-band to compare the scattering properties of the innermost ring at 44…

astro-ph.EP2021★ 63 cited

The SPHERE infrared survey for exoplanets (SHINE)- I Sample definition and target characterization

S. Desidera, G. Chauvin, M. Bonavita +105

Large surveys with new-generation high-contrast imaging instruments are needed to derive the frequency and properties of exoplanet populations with separations from 5 to 300…

astro-ph.EP2021★ 70 cited

The SPHERE infrared survey for exoplanets (SHINE) -- II. Observations, Data reduction and analysis Detection performances and early-results

M. Langlois, R. Gratton, A. -M. Lagrange +118

Over the past decades, direct imaging has confirmed the existence of substellar companions (exoplanets or brown dwarfs) on wide orbits (>10 au) from their host stars. To understand…

astro-ph.EP2020★ 29 cited

A single-armed spiral in the protoplanetary disk around HD34282 ?

J. de Boer, C. Ginski, G. Chauvin +17

During the evolution of protoplanetary disks into planetary systems we expect to detect signatures that trace mechanisms such as planet-disk interaction. Protoplanetary disks displ…

astro-ph.EP2020★ 230 cited

The SPHERE infrared survey for exoplanets (SHINE). III. The demographics of young giant exoplanets below 300 au with SPHERE

A. Vigan, C. Fontanive, M. Meyer +108

The SHINE project is a 500-star survey performed with SPHERE on the VLT for the purpose of directly detecting new substellar companions and understanding their formation and early…

astro-ph.EP2019★ 62 cited

Blobs, spiral arms, and a possible planet around HD 169142

R. Gratton, R. Ligi, E. Sissa +24

Young planets are expected to cause perturbations in protostellar disks that may be used to infer their presence. Clear detection of still-forming planets embedded within gas-rich…

astro-ph.EP2018★ 700 cited

Discovery of a planetary-mass companion within the gap of the transition disk around PDS 70

M. Keppler, M. Benisty, A. Müller +123

Young circumstellar disks are of prime interest to understand the physical and chemical conditions under which planet formation takes place. Only very few detections of planet cand…

astro-ph.IM2018★ 126 cited

Astrometric and photometric accuracies in high contrast imaging: The SPHERE speckle calibration tool (SpeCal)

R. Galicher, A. Boccaletti, D. Mesa +21

The consortium of the Spectro-Polarimetric High-contrast Exoplanet REsearch installed at the Very Large Telescope (SPHERE/VLT) has been operating its guaranteed observation time (2…

astro-ph.EP2018★ 36 cited

Discovery of a brown dwarf companion to the star HIP 64892

A. Cheetham, M. Bonnefoy, S. Desidera +89

We report the discovery of a bright, brown dwarf companion to the star HIP 64892, imaged with VLT/SPHERE during the SHINE exoplanet survey. The host is a B9.5V member of the Lower-…

astro-ph.EP2017★ 76 cited

Investigation of the inner structures around HD169142 with VLT/SPHERE

R. Ligi, A. Vigan, R. Gratton +47

We present observations of the Herbig Ae star HD169142 with VLT/SPHERE instruments InfraRed Dual-band Imager and Spectrograph (IRDIS) ( and bands) and the Integral Fie…

astro-ph.EP2017★ 19 cited

Orbiting a binary: SPHERE characterisation of the HD 284149 system

Mariangela Bonavita, V. D'Orazi, D. Mesa +52

In this paper we present the results of the SPHERE observation of the HD 284149 system, aimed at a more detailed characterisation of both the primary and its brown dwarf companion.…

astro-ph.EP2017★ 205 cited

Discovery of a warm, dusty giant planet around HIP65426

G. Chauvin, S. Desidera, A. -M. Lagrange +120

The SHINE program is a large high-contrast near-infrared survey of 600 young, nearby stars. It is aimed at searching for and characterizing new planetary systems using VLT/SPHERE's…

astro-ph.IM2016★ 3 cited

SUBARU prime focus spectrograph: integration, testing and performance for the first spectrograph

F. Madec, A. Le Fur, D. Le Mignant +22

The Prime Focus Spectrograph (PFS) of the Subaru Measurement of Images and Redshifts (SuMIRe) project for Subaru telescope consists in four identical spectrographs fed by 600 fiber…

astro-ph.IM2016★ 149 cited

Prime Focus Spectrograph (PFS) for the Subaru Telescope: Overview, recent progress, and future perspectives

Naoyuki Tamura, Naruhisa Takato, Atsushi Shimono +97

PFS (Prime Focus Spectrograph), a next generation facility instrument on the 8.2-meter Subaru Telescope, is a very wide-field, massively multiplexed, optical and near-infrared spec…

astro-ph.IM2015★ 15 cited

Apodization in high-contrast long-slit spectroscopy. II. Concept validation and first on-sky results with VLT/SPHERE

A. Vigan, M. N'Diaye, K. Dohlen +20

Spectral characterization of young, giant exoplanets detected by direct imaging is one of the tasks of the new generation of high-contrast imagers. For this purpose, the VLT/SPHERE…

astro-ph.EP2015★ 136 cited

First light of the VLT planet finder SPHERE. II. The physical properties and the architecture of the young systems PZ Tel and HD 1160 revisited

A. -L. Maire, M. Bonnefoy, C. Ginski +68

[Abridged] Context. The young systems PZ Tel and HD 1160, hosting known low-mass companions, were observed during the commissioning of the new planet finder SPHERE with several ima…

astro-ph.IM2015★ 49 cited

Prime Focus Spectrograph for the Subaru telescope: massively multiplexed optical and near-infrared fiber spectrograph

Hajime Sugai, Naoyuki Tamura, Hiroshi Karoji +81

The Prime Focus Spectrograph (PFS) is an optical/near-infrared multifiber spectrograph with 2394 science fibers distributed across a 1.3-deg diameter field of view at the Subaru 8.…

astro-ph.IM2014★ 14 cited

Fiber Optical Cable and Connector System (FOCCoS) for PFS/Subaru

Antonio Cesar de Oliveira, Lígia Souza de Oliveira, Márcio V. de Arruda +29

FOCCoS, Fiber Optical Cable and Connector System, has the main function of capturing the direct light from the focal plane of Subaru Telescope using optical fibers, each one with a…

astro-ph.IM2014★ 3 cited

Current status of the Spectrograph System for the SuMIRe/PFS

S. Vives, D. Le Mignant, J. E. Gunn +17

The Prime Focus Spectrograph (PFS) is a new facility instrument for Subaru Telescope which will be installed in around 2017. It is a multi-object spectrograph fed by about 2400 fib…

astro-ph.IM2014★ 4 cited

Progress with the Prime Focus Spectrograph for the Subaru Telescope: a massively multiplexed optical and near-infrared fiber spectrograph

Hajime Sugai, Naoyuki Tamura, Hiroshi Karoji +81

The Prime Focus Spectrograph (PFS) is an optical/near-infrared multi-fiber spectrograph with 2394 science fibers, which are distributed in 1.3 degree diameter field of view at Suba…