Last Updated
：2025/11/30
supernova impostor
Noun
Japanese Meaning
(天文学) 極めてエネルギッシュな恒星フレアイベントで、非常に明るいために超新星と誤認されるが、後のスペクトル解析により真の超新星ではないと判明する現象
（ plural ）
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(astronomy) An extremely energetic stellar flare event that is bright enough to be mistaken for a supernova, but through later spectral analysis is revealed to not be one.
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supernova impostor
When the distant star erupted, astronomers initially catalogued the event as a supernova impostor until later spectral analysis proved it was not a true supernova.
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When the distant star erupted, astronomers initially catalogued the event as a supernova impostor until later spectral analysis proved it was not a true supernova.
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