New [CII] mapping reveals a 23 km/s expanding PDR shell in Sgr C with dynamical age 0.13 Myr, likely powered by a buried supernova rather than known stellar winds, and spatially linked to a non-thermal radio filament that may have triggered high-mass star formation.
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CII fine-structure line observations of the Sagittarius C Region in the Galaxy's Central Molecular Zone
New [CII] mapping reveals a 23 km/s expanding PDR shell in Sgr C with dynamical age 0.13 Myr, likely powered by a buried supernova rather than known stellar winds, and spatially linked to a non-thermal radio filament that may have triggered high-mass star formation.