JWST photometry detects CO, H2O, and CO2 ices in Galactic Center clouds, with >25% of carbon frozen in CO ice implying Z_GC ≳2.5 Z_⊙ under equal freezeout assumption.
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The Colors of Ices: Measuring ice column density through photometry
JWST photometry detects CO, H2O, and CO2 ices in Galactic Center clouds, with >25% of carbon frozen in CO ice implying Z_GC ≳2.5 Z_⊙ under equal freezeout assumption.