#jwst spectroscopy
4 papers · 1 filter
Accretion Burst Crystallizes Silicates in a Planet-Forming Disk
Jeong-Eun Lee, Chul-Hwan Kim, Jaeyeong Kim +13
The paper reports JWST mid‑infrared observations of the bursting protostar EC 53 that reveal crystalline silicate emission appearing only during an accretion burst, providing direc…
Neptune's Inner Moons and Rings Are Exposed Icy Body Interiors
M. Ryleigh Davis, Matthew Belyakov, Ian Wong +2
JWST spectroscopy of Neptune's inner moons (Larissa, Galatea, Proteus) and its rings shows no water ice but a distinctive 2.72 µm magnesium‑rich phyllosilicate band, indicating the…
The JWST weather report: Unravelling the atmospheric variability of isolated worlds using principal component analysis
Merle A. Schrader, Johanna M. Vos, Evert Nasedkin +17
The paper uses principal component analysis on JWST/NIRSpec time‑series spectra of the brown dwarf SIMP‑0136 to identify two dominant patterns of variability, linking them to tempe…
Probing Planet Formation with JWST Spectroscopy of IC348: Sustained Diversity but Limited Chemical Evolution and Pebble Drift
John S. Carr, Joan R. Najita
JWST/MIRI spectroscopy of T Tauri disks in the IC 348 cluster shows a wide range of molecular ratios but little change in the inner disk C/O ratio between 1–5 Myr, indicating limit…