A JWST candidate z~14 galaxy is reclassified as a Type Ia supernova at z~4.3, implying SN Ia minimum delay times shorter than 1 Gyr.
C., Pettini, M., & Hamilton, D
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A Type Ia Supernova Candidate at $z\sim4.3$: A Transient Interloper in the Search for $z\sim14$ Galaxies
A JWST candidate z~14 galaxy is reclassified as a Type Ia supernova at z~4.3, implying SN Ia minimum delay times shorter than 1 Gyr.