JWST/NIRCam resolves stellar populations in the interacting dwarf pair NGC 4485/NGC 4490, revealing star formation bursts roughly 30 and 200 Myr ago and a metallicity gradient across the tidal bridge.
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FEAST: JWST/NIRCam view of the Resolved Stellar Populations of the Interacting Dwarf Galaxies NGC~4485/NGC~4490
JWST/NIRCam resolves stellar populations in the interacting dwarf pair NGC 4485/NGC 4490, revealing star formation bursts roughly 30 and 200 Myr ago and a metallicity gradient across the tidal bridge.