Astronomers report discovery of the closest ultrastripped supernova: SN 2021agco in UGC 3855 - Phys.org
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Astronomers report the discovery of a new ultrastripped supernova in the galaxy UGC 3855. The supernova was detected using the Half Meter Telescope (HMT) at the Xingming Observatory in China. The finding was detailed in a paper published October 7 on the pre-…