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Preprint Oct 2026

A Misaligned Debris Disk relative to the Host Star CPD-72 2713 from JWST/NIRCam Imaging

Observations of debris disks provide a valuable window to investigate the formation and evolution of planetary systems. We present high-contrast JWST/NIRCam observations of CPD-72 2713, a 24 Myr-old star that belongs to the $\beta$ Pic moving group. We obtained the first scattered-light images of the disk in both F210M...

Jing-Wen Zhang, Maxwell A. Millar-Blanchaer, K. Lawson et al. · 0 citations
Review Nov 2026

The cold substellar frontier in JWST Extragalactic surveys: a robust parallax measurement yields the most distant known ultra-cold Y dwarf

We present an analysis of JADES-GS-BD-5, an extremely cold Y dwarf identified in the JADES/GOODS-South field. Using multi-epoch JWST/NIRCam imaging spanning a $\simeq2$-yr baseline, we calibrate the JWST astrometry and obtain the first robust parallax measurement for a brown dwarf discovered in a JWST extragalactic dee...

F. Liu, D. Mcleod, Xue-Qing Chen et al. · 0 citations
Review Open access Sep 2026

The JWST Sub-Jupiters Survey: Direct-imaging Discovery of a Giant Planet and a Debris Disk around the Young M Dwarf RX J0534.0-0221

We present the discovery of RX J0534.0-0221 b, a giant planet orbiting an M dwarf star in the β Pictoris moving group. RX J0534 was originally observed with JWST/NIRCam in the F444W and F200W filters. Observations in F444W reveal a point source at signal-to-noise ratio ∼17.5 at ∼0.″41 (∼14 au) from the host star, with...

Rodrigo Ferrer-Chávez, Jason J. Wang, K. Wagner et al. · 0 citations
Open access Sep 2026

A Binary Flux Calibrator Reveals the Scientific Potential of Short-integration JWST MIRI Imaging to Directly Detect Sub-Jupiter Exoplanets

We report the direct imaging detection of a stellar companion to HD 101452 (HIP 56925; Gaia DR3 5384905720847544192), an A star historically used as an infrared flux calibrator. The companion was identified from an asymmetry in the stellar point-spread function (PSF) using short-integration (<1 minute), noncoronagraphi...

R. Bowens-Rubin, M. Limbach, Alexander Venner et al. · 0 citations

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