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Surviving the Heat: multi-wavelength analysis of V883 Ori reveals that dust aggregates survive the sublimation of their ice mantles
Adrien Houge, Enrique Macías, Sebastiaan Krijt
Investigating the response of icy dust aggregates to water ice sublimation is essential for understanding the formation and properties of planetesimals in protoplanetary discs. How…
Water-Rich Disks around Late M-stars Unveiled: Exploring the Remarkable Case of Sz114
Chengyan Xie, Ilaria Pascucci, Feng Long +18
We present an analysis of the JDISC JWST/MIRI-MRS spectrum of Sz~114, an accreting M5 star surrounded by a large dust disk with a shallow gap at au. The spectrum is molec…
High-contrast JWST-MIRI spectroscopy of planet-forming disks for the JDISC Survey
Klaus M. Pontoppidan, Colette Salyk, Andrea Banzatti +26
The JWST Disk Infrared Spectral Chemistry Survey (JDISCS) aims to understand the evolution of the chemistry of inner protoplanetary disks using the Mid-InfraRed Instrument (MIRI) o…
Chemical footprints of giant planet formation. Role of planet accretion in shaping the C/O ratio of protoplanetary disks
Haochang Jiang, Yu Wang, Chris W. Ormel +2
Protoplanetary disks, the birthplaces of planets, commonly feature bright rings and dark gaps in both continuum and line emission maps. Accreting planets are interacting with the d…
The Effect of Dust Evolution and Traps on Inner Disk Water Enrichment
Anusha Kalyaan, Paola Pinilla, Sebastiaan Krijt +6
Substructures in protoplanetary disks can act as dust traps that shape the radial distribution of pebbles. By blocking the passage of pebbles, the presence of gaps in disks may hav…
JWST reveals excess cool water near the snowline in compact disks, consistent with pebble drift
Andrea Banzatti, Klaus M. Pontoppidan, John Carr +19
Previous analyses of mid-infrared water spectra from young protoplanetary disks observed with the Spitzer-IRS found an anti-correlation between water luminosity and the millimeter…
Collisional evolution of dust and water ice in protoplanetary discs during and after an accretion outburst
Adrien Houge, Sebastiaan Krijt
Most protoplanetary discs are thought to undergo violent and frequent accretion outbursts, during which the accretion rate and central luminosity are elevated for several decades.…