Image Credit: Russell Kightley; Inset: P. Marenfeld/NOAO/AURA/NSF and E. Acosta/LSST/AURA/NSF

Supernova Survivor Flung Far from Home

Although most supernovae completely obliterate the exploding white dwarf, one unusual white dwarf appears to be a fragment of a ‘failed’ explosion. Ejected by the explosion with a speed high enough to escape the Galaxy, the star’s atmosphere is tainted by supernova explosion products. Forensic spectra taken with the KPNO Mayall telescope helped astronomers reconstruct the star's perilous past.

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