3 papers
astro-ph.EP2026
From Young to Older Disks: JWST/MIRI Evidence for Fading Molecular Emission and Hints for Elevated C/O in Upper Scorpius
Chengyan Xie, Ilaria Pascucci, Feng Long +23
We present JWST/MIRI spectroscopy of 14 disks in the older (~5-10 Myr) Upper Scorpius (USco) association and use slab of gas in local thermal equilibrium to infer basic gas propert…
astro-ph.SR2026
Gaia24ccy: An outburst followed the footsteps of its predecessor
Koshvendra Singh, Joe P. Ninan, Zhen Guo +25
Accretion-driven outbursts in young stellar objects remain poorly understood, largely limited by a statistically small sample of closely followed-up events. This underscores the im…
astro-ph.GA2026
The Structure of an 80 pc Long Massive Filament
Qian-Ru He, Won-Ju Kim, Gary A. Fuller +11
Using new Institut de Radioastronomie Millimétrique (IRAM) 30m telescope , =1-0 and Atacama Pathfinder Experiment (APEX) telescope and $…