activity
20102025
most citedDiscovery of a planetary-mass companion within the gap of the transition disk around PDS 70

700 citations · 11.7k across the 144 of their papers we have counts for

collaborators

142 papers

astro-ph.IM2025★ 33 cited

Advancing European High-Contrast Imaging R&D Towards the Habitable Worlds Observatory

Iva Laginja, Óscar Carrión-González, Romain Laugier +31

The Habitable Worlds Observatory (HWO) will enable a transformative leap in the direct imaging and characterization of Earth-like exoplanets. For this, NASA is focusing on early in…

astro-ph.IM2023★ 490 cited

The James Webb Space Telescope Mission

Jonathan P. Gardner, John C. Mather, Randy Abbott +1004

Twenty-six years ago a small committee report, building on earlier studies, expounded a compelling and poetic vision for the future of astronomy, calling for an infrared-optimized…

astro-ph.SR2023★ 2 cited

Time-resolved Optical Polarization Monitoring of the Most Variable Brown Dwarf

Elena Manjavacas, Paulo A. Miles-Paez, Theodora Karalidi +3

Recent atmospheric models for brown dwarfs suggest that the existence of clouds in substellar objects is not needed to reproduce their spectra, nor their rotationally-induced photo…

astro-ph.IM2022★ 386 cited

NIRCam Performance on JWST In Flight

Marcia J. Rieke, Douglas M. Kelly, Karl Misselt +7

The Near Infrared Camera for the James Webb Space Telescope is delivering the imagery that astronomers have hoped for ever since JWST was proposed back in the 1990s. In the Commiss…

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★ 1 cited

Performance of near-infrared high-contrast imaging methods with JWST from commissioning

Jens Kammerer, Julien Girard, Aarynn L. Carter +12

The James Webb Space Telescope (JWST) will revolutionize the field of high-contrast imaging and enable both the direct detection of Saturn-mass planets and the characterization of…

astro-ph.EP2022★ 176 cited

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems II: A 1 to 20 Micron Spectrum of the Planetary-Mass Companion VHS 1256-1257 b

Brittany E. Miles, Beth A. Biller, Polychronis Patapis +101

We present the highest fidelity spectrum to date of a planetary-mass object. VHS 1256 b is a 20 M widely separated (8\arcsec, a = 150 au), young, planetary-…

astro-ph.IM2022★ 1 cited

JWST/NIRCam Coronagraphy: Commissioning and First On-Sky Results

Julien H. Girard, Jarron Leisenring, Jens Kammerer +53

In a cold and stable space environment, the James Webb Space Telescope (JWST or "Webb") reaches unprecedented sensitivities at wavelengths beyond 2 microns, serving most fields of…

astro-ph.GA2022★ 38 cited

First Peek with JWST/NIRCam Wide-Field Slitless Spectroscopy: Serendipitous Discovery of a Strong [O III]/H Emitter at

Fengwu Sun, Eiichi Egami, Nor Pirzkal +15

We report the serendipitous discovery of an [O III] 4959/5007 and H line emitter in the Epoch of Reionization (EoR) with the JWST commissioning data taken in the NIRCam wide…

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

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems I: High Contrast Imaging of the Exoplanet HIP 65426 b from 2-16 m

Aarynn L. Carter, Sasha Hinkley, Jens Kammerer +108

We present JWST Early Release Science (ERS) coronagraphic observations of the super-Jupiter exoplanet, HIP 65426 b, with the Near-Infrared Camera (NIRCam) from 2-5 m, and with t…

astro-ph.EP2022★ 79 cited

Direct discovery of the inner exoplanet in the HD206893 system. Evidence for deuterium burning in a planetary-mass companion

S. Hinkley, S. Lacour, G. -D. Marleau +110

Long term precise radial velocity (RV) monitoring of the nearby star HD206893, as well as anomalies in the system proper motion, have suggested the presence of an additional, inner…

astro-ph.IM2022★ 440 cited

The Science Performance of JWST as Characterized in Commissioning

Jane Rigby, Marshall Perrin, Michael McElwain +623

This paper characterizes the actual science performance of the James Webb Space Telescope (JWST), as determined from the six month commissioning period. We summarize the performanc…

astro-ph.EP2022

Trends in Silicates in the Pictoris Disk

Cicero X. Lu, Christine H. Chen, B. A. Sargent +14

While beta Pic is known to host silicates in ring-like structures, whether the properties of these silicate dust vary with stellocentric distance remains an open question. We re-an…

astro-ph.IM2022★ 1 cited

Flatfield Calibrations with Astrophysical Sources for the Nancy Grace Roman Space Telescope's Coronagraph Instrument

Erin R. Maier, Robert T. Zellem, M. Mark Colavita +12

The Nancy Grace Roman Space Telescope Coronagraph Instrument is a high-contrast imager, polarimeter, and spectrometer that will enable the study of exoplanets and circumstellar dis…

astro-ph.IM2022

Nancy Grace Roman Space Telescope Coronagraph Instrument Observation Calibration Plan

Robert T. Zellem, Bijan Nemati, Guillermo Gonzalez +20

NASA's next flagship mission, the Nancy Grace Roman Space Telescope, is a 2.4-meter observatory set to launch no later than May 2027. Roman features two instruments: the Wide Field…

astro-ph.EP2021★ 32 cited

Characterizing the protolunar disk of the accreting companion GQ Lupi B

Tomas Stolker, Sebastiaan Y. Haffert, Aurora Y. Kesseli +11

GQ Lup B is a young and accreting, substellar companion that appears to drive a spiral arm in the circumstellar disk of its host star. We report high-contrast imaging observations…

astro-ph.IM2021★ 1 cited

Lessons learned from SPHERE for the astrometric strategy of the next generation of exoplanet imaging instruments

A. -L. Maire, M. Langlois, P. Delorme +14

Measuring the orbits of directly-imaged exoplanets requires precise astrometry at the milliarcsec level over long periods of time due to their wide separation to the stars ($\gtrsi…

astro-ph.SR2021★ 10 cited

A MUSE view of the asymmetric jet from HD 163296

C. Xie, S. Y. Haffert, J. de Boer +5

Jets and outflows are thought to play important roles in regulating star formation and disk evolution. HD 163296 is a well-studied Herbig Ae star that hosts proto-planet candidates…

astro-ph.EP2021★ 1 cited

A Community Exoplanet Imaging Data Challenge for Roman CGI and Starshade Rendezvous

Margaret C. Turnbull, Neil Zimmerman, Julien H. Girard +8

Operating in an unprecedented contrast regime ( to ), the Roman Coronagraph Instrument (CGI) will serve as a pathfinder for key technologies needed for future Ear…

astro-ph.EP2021★ 12 cited

Constraints on the nearby exoplanet Ind Ab from deep near/mid-infrared imaging limits

Gayathri Viswanath, Markus Janson, Carl-Henrik Dahlqvist +16

The past decade has seen increasing efforts in detecting and characterising exoplanets by high contrast imaging in the near/mid-infrared, which is the optimal wavelength domain for…

astro-ph.EP2021★ 16 cited

Direct Imaging of Exoplanets Beyond the Radial Velocity Limit: Application to the HD 134987 System

Zhexing Li, Sergi R. Hildebrandt, Stephen R. Kane +4

Future direct imaging missions will primarily observe planets that have been previously detected, mostly via the radial velocity (RV) technique, to characterize planetary atmospher…

astro-ph.IM2021★ 1 cited

High-precision astrometric studies in direct imaging with SPHERE

A. -L. Maire, G. Chauvin, A. Vigan +15

Orbital monitoring of exoplanetary and stellar systems is fundamental for analysing their architecture, dynamical stability and evolution, and mechanisms of formation. Current high…

astro-ph.SR2021★ 20 cited

New binaries from the SHINE survey

M. Bonavita, R. Gratton, S. Desidera +67

We present the multiple stellar systems observed within the SpHere INfrared survey for Exoplanet (SHINE). SHINE searched for substellar companions to young stars using high contras…