activity
20112025
most citedDiscovery of a planetary-mass companion within the gap of the transition disk around PDS 70

700 citations · 5k across the 95 of their papers we have counts for

collaborators

94 papers

astro-ph.EP2025★ 6 cited

The ExoGRAVITY survey: A K-band spectral library of giant exoplanet and brown dwarf companions

J. Kammerer, T. O. Winterhalder, S. Lacour +106

Direct observations of exoplanet and brown dwarf companions with near-infrared interferometry, first enabled by the dual-field mode of VLTI/GRAVITY, provide unique measurements of…

astro-ph.EP2025★ 2 cited

Spectral analysis of two directly imaged benchmark L dwarf companions at the stellar-substellar boundary

William Ceva, Elisabeth C. Matthews, Emily L. Rickman +7

We used multiple epochs of high-contrast imaging spectrophotometric observations to determine the atmospheric characteristics and thermal evolution of two previously detected bench…

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.IM2024★ 13 cited

The PLATO Mission

Heike Rauer, Conny Aerts, Juan Cabrera +842

PLATO (PLAnetary Transits and Oscillations of stars) is ESA's M3 mission designed to detect and characterise extrasolar planets and perform asteroseismic monitoring of a large numb…

astro-ph.EP2024★ 1 cited

TOI-2447 b / NGTS-29 b: a 69-day Saturn around a Solar analogue

Samuel Gill, Daniel Bayliss, Solène Ulmer-Moll +63

Discovering transiting exoplanets with relatively long orbital periods (10 days) is crucial to facilitate the study of cool exoplanet atmospheres () and to u…

astro-ph.GA2024

The SPHERE view of the Taurus star-forming region

A. Garufi, C. Ginski, R. G. van Holstein +31

The sample of planet-forming disks observed by high-contrast imaging campaigns over the last decade is mature enough to enable the demographical analysis of individual star-forming…

astro-ph.GA2024★ 1 cited

The SPHERE view of the Chamaeleon I star-forming region

C. Ginski, A. Garufi, M. Benisty +32

We used VLT/SPHERE to observe 20 systems in the Cha I cloud in polarized scattered light in the near-infrared. We combined the scattered light observations with existing literature…

astro-ph.EP2024

Discovery of two warm mini-Neptunes with contrasting densities orbiting the young K3V star TOI-815

Angelica Psaridi, Hugh Osborn, François Bouchy +130

We present the discovery and characterization of two warm mini-Neptunes transiting the K3V star TOI-815 in a K-M binary system. Analysis of the spectra and rotation period reveal i…

astro-ph.SR2024

The discovery of two new benchmark brown dwarfs with precise dynamical masses at the stellar-substellar boundary

Emily L. Rickman, Will Ceva, Elisabeth C. Matthews +7

Aims. Measuring dynamical masses of substellar companions is a powerful tool to test models of mass-luminosity-age relations, as well as determining observational features that con…

astro-ph.EP2023★ 6 cited

TOI-858 B b: A hot Jupiter on a polar orbit in a loose binary

J. Hagelberg, L. D. Nielsen, O. Attia +30

We report the discovery of a hot Jupiter on a 3.28-day orbit around a 1.08 M G0 star that is the secondary component in a loose binary system. Based on follow-up radial vel…

astro-ph.EP2023★ 18 cited

The GAPS program at TNG XLVII: The unusual formation history of V1298 Tau

D. Turrini, F. Marzari, D. Polychroni +33

Observational data from space and ground-based campaigns reveal that the 10-30 Ma old V1298 Tau star hosts a compact and massive system of four planets. Mass estimates for the two…

astro-ph.EP2023★ 25 cited

TOI-5678 b: A 48-day transiting Neptune-mass planet characterized with CHEOPS and HARPS

S. Ulmer-Moll, H. P. Osborn, A. Tuson +92

A large sample of long-period giant planets has been discovered thanks to long-term radial velocity surveys, but only a few dozen of these planets have a precise radius measurement…

astro-ph.EP2023★ 7 cited

BEAST detection of a brown dwarf and a low-mass stellar companion around the young bright B star HIP 81208

Gayathri Viswanath, Markus Janson, Raffaele Gratton +15

Recent observations from B-star Exoplanet Abundance Study (BEAST) have illustrated the existence of sub-stellar companions around very massive stars. In this paper, we present the…

astro-ph.EP2023★ 10 cited

Three Saturn-mass planets transiting F-type stars revealed with TESS and HARPS

Angelica Psaridi, François Bouchy, Monika Lendl +62

While the sample of confirmed exoplanets continues to increase, the population of transiting exoplanets around early-type stars is still limited. These planets allow us to investig…

astro-ph.EP2022★ 33 cited

Revisiting the atmosphere of the exoplanet 51 Eridani b with VLT/SPHERE

S. B. Brown-Sevilla, A. -L. Maire, P. Mollière +27

[Full abstract in the paper] We aim to better constrain the atmospheric properties of the directly imaged exoplanet 51~Eri~b by using a retrieval approach on higher signal-to-noise…

astro-ph.EP2022★ 10 cited

Chasing extreme planetary architectures: I- HD196885Ab, a super-Jupiter dancing with two stars?

G. Chauvin, M. Videla, H. Beust +21

Planet(s) in binaries are unique architectures for testing predictions of planetary formation and evolution theories in very hostile environments. We used the IRDIS dual-band image…

astro-ph.EP2022★ 14 cited

The high-albedo, low polarization disk around HD 114082 harbouring a Jupiter-sized transiting planet

N. Engler, J. Milli, R. Gratton +36

We present new optical and near-IR images of debris disk around the F-type star HD 114082. We obtained direct imaging observations and analysed the TESS photometric time series dat…

astro-ph.EP2022★ 17 cited

TOI-179: a young system with a transiting compact Neptune-mass planet and a low-mass companion in outer orbit

S. Desidera, M. Damasso, R. Gratton +29

Transiting planets around young stars are key benchmarks for our understanding of planetary systems. One of such candidates was identified around the K dwarf HD 18599 by TESS, labe…

astro-ph.EP2022★ 19 cited

Precise dynamical masses of new directly imaged companions from combining relative astrometry, radial velocities, and Hipparcos-Gaia eDR3 accelerations

E. L. Rickman, E. Matthews, W. Ceva +7

Aims. With an observing time span of more than 20 years, the CORALIE radial-velocity survey is able to detect long-term trends in data corresponding to companions with masses and s…

astro-ph.SR2022★ 9 cited

Updated orbital monitoring and dynamical masses for nearby M-dwarf binaries

Per Calissendorff, Markus Janson, Laetitia Rodet +26

Young M-type binaries are particularly useful for precise isochronal dating by taking advantage of their extended pre-main sequence evolution. Orbital monitoring of these low-mass…

astro-ph.EP2022★ 42 cited

Reference-star differential imaging on SPHERE/IRDIS

Chen Xie, Elodie Choquet, Arthur Vigan +14

Reference-star differential imaging (RDI) is a promising technique in high-contrast imaging that is thought to be more sensitive to exoplanets and disks than angular differential i…

astro-ph.EP2022★ 39 cited

Orbital and dynamical analysis of the system around HR 8799. New astrometric epochs from VLT/SPHERE and LBT/LUCI

A. Zurlo, K. Gozdziewski, C. Lazzoni D. Mesa +44

HR\,8799 is a young planetary system composed of 4 planets and a double debris belt. Being the first multi-planetary system discovered with the direct imaging technique, it has bee…

astro-ph.EP2022★ 11 cited

Constraining masses and separations of unseen companions to five accelerating nearby stars

D. Mesa, M. Bonavita, S. Benatti +39

Aims. This work aims at constraining the masses and separations of potential substellar companions to five accelerating stars (HIP 1481, HIP 88399, HIP 96334, HIP 30314 and HIP 116…

astro-ph.EP2022★ 15 cited

In-depth direct imaging and spectroscopic characterization of the young Solar System analog HD 95086

C. Desgrange, G. Chauvin, V. Christiaens +48

Context. HD 95086 is a young nearby Solar System analog hosting a giant exoplanet orbiting at 57 au from the star between an inner and outer debris belt. The existence of additiona…