Detection of a 2.85 micrometer Feature on 5 Spinel-rich Asteroids from JWST

Jonathan Gomez Barrientos, Katherine de Kleer, Bethany L. Ehlmann +2

Ground-based observations of `Barbarian' L-type asteroids at 1 to 2.5-$\mu$m indicate that their near-infrared spectra are dominated by the mineral spinel, which has been attributed…