3 papers
astro-ph.EP2025
The Extent of Solar Energetic Particle Irradiation in the Sun's Protoplanetary Disk
Steven J. Desch, Ashley K. Herbst, Richard L. Hervig +1
Solar flares emit X rays and high-energy (MeV-GeV) ions (Solar Energetic Particles, or SEPs). Astronomical observations show solar mass-protostellar fluxes are a factor $Φ\approx 3…
astro-ph.EP2025
A Disintegrating Rocky World Shrouded in Dust and Gas: Mid-IR Observations of K2-22b using JWST
Nick Tusay, Jason T. Wright, Thomas G. Beatty +12
The disintegrating ultra-short period rocky exoplanet K2-22b periodically emits dusty clouds in a dynamically chaotic process resulting in a variable transit depth from 0-1.3%. The…
astro-ph.EP2023
Origin of Low- Corundum/Hibonite Inclusions in Meteorites
Steven J. Desch, Emilie T. Dunham, Ashley K. Herbst +5
Most meteoritic calcium-rich, aluminum-rich inclusions (CAIs) formed from a reservoir with , but some record lower $({}^{2…