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A Supernova Candidate at z = 0.092 in XMM–Newton Archival Data

24 Aug 2020, 16:00 UTC
A Supernova Candidate at z = 0.092 in XMM–Newton Archival Data
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Giovanni Novara et al 2020 ApJ 898 37
Analysis of a rare flare at a redshift of z = 0.092 — captured by chance by the XMM–Newton spacecraft — suggests that it may be interpreted as a supernova shock break-out or an early cocoon.

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