JG
J. Girard
astro-ph.EPastro-ph.SRastro-ph.IMastro-ph.GAphysics.opticsastro-phastro-ph.COastro-ph.HEphysics.ed-phphysics.ins-det
On Valency
published · living versionsW_tgh2tyvm·v1 · currentpublished
Searching for substellar companion candidates with Gaia. V. M dwarfs within 15 pc studied with absolute astrometry, radial velocities, and direct imaging
with F. Destriez, A. -M. Lagrange, G. Hébrard, F. Kiefer +8
1 version
W_7z7b88pt·v1published
W_w4gfrpzf·v1published
Preprints & journals
241 papers in the corpus · 2004–2026A Misaligned Debris Disk relative to the Host Star CPD-72 2713 from JWST/NIRCam Imaging2610.20700v1 · Jingwen Zhang, Maxwell A. Millar-Blanchaer, Kellen Lawson et al.2026 · 0 citationsarXiv
The JWST Sub-Jupiters Survey: Direct Imaging Discovery of a Giant Planet and a Debris Disk Around the Young M-dwarf RX J0534.0-02212609.20748v1 · Rodrigo Ferrer-Chavez, Jason J. Wang, Kevin Wagner et al.2026 · 0 citationsarXiv
The Nancy Grace Roman Space Telescope Coronagraph Community Participation Program2609.18659v1 · Dmitry Savransky, Vanessa P. Bailey, Schuyler G. Wolff et al.2026 · 2 citationsD. Savransky et al. "The Nancy Grace Roman Space Telescope coronagraph community participation program", Proc. SPIE 13092, 2024
JWST/MIRI Imaging Search for Kinematically Detected Protoplanetary Candidates2609.13123v1 · G. Cugno, M. Benisty, R. Teague et al.2026 · 0 citationsarXiv
The Roman Coronagraph Community Participation Program: corgisim - a simulation suite for the Nancy Grace Roman Space Telescope Coronagraph Instrument2608.17257v1 · Jingwen Zhang, Sophie Noiret, Maxwell A. Millar Blanchaer et al.2026 · 0 citationsProc. SPIE 14145, 141454R (2026)
The Roman Coronagraph Community Participation Program: early calibration plan and pilot observation of a companion2608.17348v1 · Julien H. Girard, Eric Cady, Neil T. Zimmerman et al.2026 · 0 citationsarXiv
The Roman Coronagraph Community Participation Program: data reduction pipeline astrometric calibration2608.17985v1 · Amanda Chavez, Jason Wang, Vanessa P. Bailey et al.2026 · 0 citationsarXiv
The Roman Coronagraph Community Participation Program: pre-launch reference star list and impact of reference star properties on post-processing performance2608.17057v1 · Justin Hom, Schuyler G. Wolff, Jessica Gersh-Range et al.2026 · 0 citationsarXiv
The Roman Coronagraph Community Participation Program: trials and triumphs of designing an observing program for a technology demonstration instrument2608.17077v1 · Schuyler G. Wolff, Vanessa P. Bailey, Justin Hom et al.2026 · 0 citationsarXiv
The Roman Coronagraph Community Participation Program: Observation planning and data reduction for polarimetric mode2608.17133v1 · Ramya M Anche, Toshiyuki Mizuki, Justin Hom et al.2026 · 0 citationsarXiv
The James Webb Space Telescope Absolute Flux Calibration. VI. Near-Infrared Camera Imaging and Coronagraphy2608.08717v1 · Martha L. Boyer, Benjamin Sunnquist, Bryan Hilbert et al.2026 · 0 citationsarXiv
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems VIII: patchy forsterite and enstatite clouds in the atmosphere of VHS 1256 b, retrieval lessons learned and outlook to the future2608.06583v1 · Niall Whiteford, Jacqueline K. Faherty, Ben Burningham et al.2026 · 0 citationsarXiv
Breaking the brightness barrier: JWST/NIRCam DHS spectroscopy for high-precision time-series observations2608.04109v1 · Achrene Dyrek, John Stansberry, Louis E. Bergeron et al.2026 · 0 citationsProceedings Volume 14145, 2026
JWST NIRCam Reveals the Largest Known M-dwarf Debris Disk Around TWA 10 and New Scattered-Light Observations of the TWA 25 Debris Disk2607.22426v1 · Katie A. Crotts, Aarynn L. Carter, Beth Biller et al.2026 · 0 citationsarXiv
Photometric Variability and Rotation of Beta Pictoris b from JWST NIRCam Coronagraphic Imaging2607.13133v2 · Yifan Zhou, Beth A. Biller, Aarynn L. Carter et al.2026 · 0 citationsarXiv
Direct Imaging Discovery of Giant Exoplanet Pictoris d: A Decade-Long Game of Hide-and-Seek2606.23801v2 · Ben J. Sutlieff, Markus J. Bonse, Valentin Christiaens et al.2026 · 3 citationsApJL 1006 L10 (2026)
JWST-TST High Contrast: First Direct Spectroscopy of GJ 504 b reveals Clouds and Possible Metal Enrichment2606.19228v1 · Aneesh Baburaj, Jean-Baptiste Ruffio, Marshall Perrin et al.2026 · 1 citationAJ 172 28 (2026)
The SPHERE infrared survey for exoplanets (SHINE) V. Full sample characterization2605.27247v2 · V. Squicciarini, S. Desidera, G. Chauvin et al.2026 · 0 citationsarXiv
Direct Images of CO2 Absorption in the Atmosphere of a Super-Jupiter: Enhanced Metallicity Suggestive of Formation in a Disk2604.09785v1 · William O. Balmer, Laurent Pueyo, Ashley Messier et al.2026 · 1 citationarXiv
JWST interferometric imaging reveals the dusty torus obscuring the supermassive black hole of Circinus galaxy.41530142 · Lopez-Rodriguez, Enrique, Sanchez-Bermudez, Joel, González-Martín, Omaira et al.2026 · 1 citationNature communications. 2026;17(1):42
Characterization of debris disks observed with SPHERE2512.03128v2 · N. Engler, J. Milli, N. Pawellek et al.2025 · 9 citationsarXiv
Exomoon search with VLTI/GRAVITY around the substellar companion HD 206893 B2511.20091v1 · Q. Kral, J. Wang, J. Kammerer et al.2025 · 8 citationsarXiv
CoronaGraph Instrument Reference stars for Exoplanets (CorGI-REx) I. Preliminary Vetting and Implications for the Roman Coronagraph and Habitable Worlds Observatory2511.08862v1 · Justin Hom, Schuyler G. Wolff, Catherine A. Clark et al.2025 · 1 citationAJ 171 36 (2026)
Discovery of a Debris Disk Around TWA 202510.20216v1 · Skyler Palatnick, Maxwell A. Millar-Blanchaer, Jingwen Zhang et al.2025 · 2 citationsarXiv
The ExoGRAVITY survey: A K-band spectral library of giant exoplanet and brown dwarf companions2510.08691v3 · J. Kammerer, T. O. Winterhalder, S. Lacour et al.2025 · 6 citationsA&A 704, A318 (2025)
JWST-TST High Contrast: Medium-resolution spectroscopy reveals a carbon-rich circumplanetary disk around the young accreting exoplanet Delorme 1 AB b2510.07253v2 · Mathilde Malin, Kimberly Ward-Duong, Sierra L. Grant et al.2025 · 6 citationsarXiv
Direct Measurement of Extinction in a Planet-Hosting Gap2509.26617v1 · G. Cugno, S. Facchini, F. Alarcon et al.2025 · 10 citationsarXiv
Constraints on the Orbit of the Young Substellar Companion GQ Lup B from High-Resolution Spectroscopy and VLTI/GRAVITY Astrometry2509.20621v1 · Vidya Venkatesan, S. Blunt, J. J. Wang et al.2025 · 4 citationsarXiv
The mid-infrared spectrum of Pictoris b. First VLTI/MATISSE interferometric observations of an exoplanet2508.18366v2 · M. Houll'e, F. Millour, P. Berio et al.2025 · 3 citationsA&A 704, A182 (2025)
Direct imaging discovery of a young giant planet orbiting on Solar System scales2507.06206v1 · T. Stolker, M. Samland, L. B. F. M. Waters et al.2025 · 5 citationsarXiv
Orbit and atmosphere of HIP 99770 b through the eyes of VLTI/GRAVITY2507.00117v1 · T. O. Winterhalder, J. Kammerer, S. Lacour et al.2025 · 7 citationsarXiv
Follow-Up Exploration of the TWA 7 Planet-Disk System with JWST NIRCam2506.19932v1 · Katie A. Crotts, Aarynn L. Carter, Kellen Lawson et al.2025 · 18 citationsarXiv
JWST Coronagraphic Images of 14 Her c: a Cold Giant Planet in a Dynamically Hot, Multi-planet System2506.09201v1 · Daniella C. Bardalez Gagliuffi, William O. Balmer, Laurent Pueyo et al.2025 · 33 citationsarXiv
Silicate clouds and a circumplanetary disk in the YSES-1 exoplanet system.40494394 · Hoch, K K W, Rowland, M, Petrus, S et al.2025 · 29 citationsNature. 2025;643(8073):938-942
JWST interferometric imaging reveals the dusty disk obscuring the supermassive black hole of the Circinus galaxy2506.08077v1 · Enrique Lopez-Rodriguez, Joel Sanchez-Bermudez, Omaira Gonzalez-Martin et al.2025 · 1 citationarXiv
Probing the Outskirts of M Dwarf Planetary Systems with a Cycle 1 JWST NIRCam Coronagraphy Survey2504.11659v1 · Ellis Bogat, Joshua E. Schlieder, Kellen D. Lawson et al.2025 · 2 citationsarXiv
JWST-TST High Contrast: Living on the Wedge, or, NIRCam Bar Coronagraphy Reveals CO in the HR 8799 and 51 Eri Exoplanets' Atmospheres2503.13608v2 · William O. Balmer, Jens Kammerer, Laurent Pueyo et al.2025 · 24 citationsarXiv
The SPHERE infrared survey for exoplanets (SHINE). V. Complete observations, data reduction and analysis, detection performances, and final results2501.12002v1 · A. Chomez, P. Delorme, A.-M. Lagrange et al.2025 · 8 citationsA&A 697, A99 (2025)
The Roman coronagraph community participation program: observation planning2411.17868v1 · Schuyler G. Wolff, Jason Wang, Karl Stapelfeldt et al.2024 · 6 citationsarXiv
JWST-TST High Contrast: Spectroscopic Characterization of the Benchmark Brown Dwarf HD 19467 B with the NIRSpec Integral Field Spectrograph2408.03830v1 · Kielan K. W. Hoch, Christopher A. Theissen, Travis S. Barman et al.2024 · 11 citationsarXiv
MIRI MRS Observations of Beta Pictoris II. The Spectroscopic Case for a Recent Giant Collision2407.04661v1 · Christine H. Chen, Cicero X. Lu, Kadin Worthen et al.2024 · 18 citationsarXiv
High contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to light2406.04003v1 · N. Pourr'e, T.O. Winterhalder, J.-B. Le Bouquin et al.2024 · 11 citationsarXiv
JWST-TST High Contrast: JWST/NIRCam observations of the young giant planet Pic b2405.18422v2 · Jens Kammerer, Kellen Lawson, Marshall D. Perrin et al.2024 · 19 citationsarXiv
JWST/NIRCam Detection of the Fomalhaut C Debris Disk in Scattered Light2405.00573v1 · Kellen Lawson, Joshua E. Schlieder, Jarron M. Leisenring et al.2024 · 13 citationsarXiv
Prioritizing High-Precision Photometric Monitoring of Exoplanet and Brown Dwarf Companions with JWST -- Strategic Exoplanet Initiatives with HST and JWST White Paper2405.01605v1 · Ben J. Sutlieff, Xueqing Chen, Pengyu Liu et al.2024 · 0 citationsarXiv
SPHERE RefPlanets: Search for epsilon Eridani b and warm dust2404.19504v1 · C. Tschudi, H.M. Schmid, M. Nowak et al.2024 · 5 citationsarXiv
Four-of-a-kind? Comprehensive atmospheric characterisation of the HR 8799 planets with VLTI/GRAVITY2404.03776v2 · E. Nasedkin, P. Molliere, S. Lacour et al.2024 · 58 citationsA&A 687, A298 (2024)
Combining Gaia and GRAVITY: Characterising five new Directly Detected Substellar Companions2403.13055v2 · T. O. Winterhalder, S. Lacour, A. M'erand et al.2024 · 17 citationsA&A 688, A44 (2024)
A catalogue of dual-field interferometric binary calibrators2402.05019v1 · M. Nowak, S. Lacour, R. Abuter et al.2024 · 10 citationsA&A 687, A248 (2024)
MIRI MRS Observations of Beta Pictoris I. The Inner Dust, the Planet, and the Gas2401.16361v1 · Kadin Worthen, Christine H. Chen, David R. Law et al.2024 · 0 citationsarXiv
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