Born in brightness, leading to darkness (IMAGE)
Caption
The image of the supernova SN 2022esa (marked by the cross) with its host galaxy, 2MFGC 13525, taken by the Subaru telescope on 2023 June 13. At this late phase (about a year after the discovery), the SN became fainter than its initial brightness by more than a factor of 100. The spectral identity of SNe Ic-CSM can be extracted only in such a late phase in most cases, requiring dedicated observations with 8 meter-class telescope such as the Subaru telescope.
Credit
KyotoU / Keiichi Maeda
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