Xuan, J.W., Ruffio, J.-B., Chachan, Y., Ohno, K., et al. (2026) The compositions of the HR 8799 planets reflect accretion of both solids and metal-enriched gas. ApJ, accepted.

Ruffio, J.-B., Xuan, J.W., Chachan, Y., Kesseli, A., et al. (2026) Jupiter-like uniform metal enrichment in a system of multiple giant exoplanets. Nature Astronomy.

Xuan, J.W., Mérand, A., Thompson, W., et al. (2024) The cool brown dwarf Gliese 229 B is a close binary. Nature, 634, 1070-1074.

Xuan, J.W., Perrin, M., Mawet, D., et al. (2024) Atmospheric abundances and bulk properties of the binary brown dwarf Gliese 229 Bab from JWST/MIRI spectroscopy. ApJL, 977, L32.

Xuan, J.W., Hsu, D., Finnerty, L., et al. (2024) Are these planets or brown dwarfs? Broadly solar compositions from high-resolution atmospheric retrievals of 10-30 MJup companions. ApJ, 970, 71.

Xuan, J.W., Wang, J., Finnerty, L., et al. (2024) Validation of elemental and isotopic abundances in late-M spectral types with the benchmark HIP 55507 AB system. ApJ, 962, 10.

Xuan, J.W., Wang, J., Ruffio, J.-B., et al. (2022) A Clear View of a Cloudy Brown Dwarf Companion from High-resolution Spectroscopy. ApJ, 937, 54.

Xuan, J.W., Bryan, M.L., Knutson, H.A., Bowler, B.P., et al. (2020) A Rotation Rate for the Planetary-mass Companion DH Tau b. AJ, 159, 97.

Xuan, J.W. and Wyatt, M.C. (2020) Evidence for a high mutual inclination between the cold Jupiter and transiting super Earth orbiting pi Men. MNRAS, 497, 2096.

Xuan, J.W., Kennedy, G.M., Wyatt, M.C., Yelverton, B. (2020) Mutual inclinations between giant planets and their debris discs in HD 113337 and HD 38529. MNRAS, 499, 5059.

Xuan, J.W., Mawet, D., Ngo, H., Ruane, G., et al. (2018) Characterizing the Performance of the NIRC2 Vortex Coronagraph at W. M. Keck Observatory. AJ, 156, 156.

Wang, G., Xuan, J.W., González Picos, D., Zhang, Z., et al. (2026) Chemical and Isotopic Homogeneity between the L Dwarf CD-35 2722 B and Its Early M Host Star. ApJ, 997, 195.

Sanghi, A., Thompson, W., Mang, J., Xuan, J.W., et al. (2026) Worlds Next Door. IV. Mapping the Late Stages of Giant Planet Evolution with a Precise Dynamical Mass and Luminosity for eps Ind Ab. ApJ, submitted.

Liu, Y., Zhang, Y., Xuan, J.W., Mawet, D. (2025) Chemistry and Isotope Ratios of Substellar Atmospheres in the beta Pictoris Young Moving Group. ApJ, submitted.

Sanghi, A., Xuan, J.W., Wang, J.J., Mawet, D., et al. (2024) Efficiently Searching for Close-in Companions Around Young M Dwarfs Using a Multiyear PSF Library. AJ, 168, 215.

Thompson, W., Blakely, D., Xuan, J.W., Blouin, S., et al. (2026) Detecting and Characterizing Companions with a Calibrated Gaia DR2, DR3, and Hipparcos Catalog (G23H). AJ, submitted.

Finnerty, L., Fitzgerald, M.P., Xuan, J.W., Echeverri, D., et al. (2026) Possible stratospheric emission in the warm Neptune GJ 436 b from high-resolution spectroscopy. AJ, accepted.

Hsu, C.-C., Wang, J.J., Xuan, J.W., Zhang, Y., et al. (2026) Distinct Rotational Evolution of Giant Planets and Brown Dwarf Companions. AJ, accepted.

Uyama, T., Currie, T., Xuan, J.W., De Rosa, R.J., et al. (2026) Discovery of a Low-Mass Companion to the Accelerating Star HIP 53005 with Strongly Conflicting Mass Estimates. AJ, submitted.

Finnerty, L., Xin, Y., Xuan, J.W., Inglis, J., et al. (2025) Water Dissociation and Rotational Broadening in the Atmosphere of KELT-20 b from High-resolution Spectroscopy. AJ, 169, 333.

Thompson, W., Blakely, D., Xuan, J.W., Bouchard-Cote, A., et al. (2025) On the Orbit of the Binary Brown Dwarf Companion GL229 Ba and Bb. AJ, 169, 193.

Finnerty, L., Xin, Y., Xuan, J.W., Inglis, J., et al. (2025) True Mass and Atmospheric Composition of the Nontransiting Hot Jupiter HD 143105 b. AJ, 169, 94.

Zhang, Y., Xuan, J.W., Mawet, D., Wang, J.J., et al. (2024) Atmospheric Characterization of the Super-Jupiter HIP 99770 b with KPIC. AJ, 168, 131.

Hejazi, N., Xuan, J.W., Coria, D.R., Sawczynec, E., et al. (2025) Chemical Links between a Young M-type T Tauri Star and Its Substellar Companion: Spectral Analysis and C/O Measurement of DH Tau A. ApJ, 978, 42.

Hsu, C.-C., Wang, J.J., Xuan, J.W., Ruffio, J.-B., et al. (2024) Rotation and Abundances of the Benchmark Brown Dwarf HD 33632 Ab from Keck/KPIC High-resolution Spectroscopy. ApJ, 971, 9.

Costes, J.C., Xuan, J.W., Vigan, A., Wang, J., et al. (2024) Fresh view of the hot brown dwarf HD 984 B through high-resolution spectroscopy. A&A, 686, A294.

Echeverri, D., Xuan, J.W., Monnier, J.D., Delorme, J.-R., et al. (2024) Vortex Fiber Nulling for Exoplanet Observations: First Direct Detection of M Dwarf Companions around HIP 21543, HIP 94666, and HIP 50319. ApJL, 965, L15.

Inglis, J., Wallack, N.L., Xuan, J.W., Knutson, H.A., et al. (2024) Atmospheric Retrievals of the Young Giant Planet ROXs 42B b from Low- and High-resolution Spectroscopy. AJ, 167, 218.

Finnerty, L., Xuan, J.W., Xin, Y., Liberman, J., et al. (2024) Atmospheric Metallicity and C/O of HD 189733 b from High-resolution Spectroscopy. AJ, 167, 43.

Echeverri, D., Xuan, J.W., Jovanovic, N., Ruane, G., et al. (2023) Vortex fiber nulling for exoplanet observations: implementation and first light. JATIS, 9, 035002.

Xin, Y., Xuan, J.W., Mawet, D., Wang, J., et al. (2023) On-sky speckle nulling through a single-mode fiber with the Keck Planet Imager and Characterizer. JATIS, 9, 035001.

Mawet, D., Ruane, G., Xuan, J.W., Echeverri, D., et al. (2017) Observing Exoplanets with High-dispersion Coronagraphy. II. Demonstration of an Active Single-mode Fiber Injection Unit. ApJ, 838, 92.