{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"247376c6c13578cb8acff1d48b46be53a75d27a19fd99e9ca1b4be6aaed03e72","created":"2026-10-15T23:43:22Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["01b73121c103031cb7d03f30f25858e193687645dd8af1a0d0de8f528a380a2a","ce59fb6cd812fc05906d0c60a71c75ea22bc686bcf38e7c3ef7010834d98ee7b"],"salt":"a5d65c967bf2683e34e946f51b39a777a2798b54ce3d4b9bf8dc789355291698","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"identification","assisted_by":[],"external_id":"astro.core-collapse-supernovae.slsn-power","kind":"phenomenon","literature_status":"contested","n":"2","parents":[],"plain":"A rare kind of supernova shines 10 to 100 times brighter than usual, more than its radioactive nickel can supply, perhaps powered by a newborn spinning magnetar or by crashing into gas shed earlier.","posed_since":"2011","precise":"Type I superluminous supernovae peak at $L \\sim 10^{44}\\,\\mathrm{erg}/\\mathrm{s}$ and radiate $\\sim 10^{51}\\,\\mathrm{erg}$. Decide among spin-down of a millisecond magnetar $(P \\sim 1\\ \\text{to}\\ 5\\,\\mathrm{ms}, B \\sim 10^{14}\\,\\mathrm{G})$, interaction with hydrogen-poor circumstellar shells, and pair-instability explosions, using late-time light-curve slopes, light-curve bumps, nebular spectra and late radio or X-ray emission from a central nebula. Answer: the power source for each subclass with the evidence.","problem_ref":"01b73121c103031cb7d03f30f25858e193687645dd8af1a0d0de8f528a380a2a","references":"","settled_by":"Detection or exclusion of late-time radio and X-ray emission from an embedded magnetar nebula in nearby events, together with nebular spectra that fix the ejecta mass.","status_note":"","title":"What powers hydrogen-poor superluminous supernovae?","topic_ref":null},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"c119fb667662832c532dac8e13a0d30b0b65b934152895ce9b5de2848bb5476e","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"0d383bf238510f24643291ed120c8eb6ac7589f3d5998429a96bde0f827322a0","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"LdefGufNlAklUB5SJQGIwIGg_difu71DYRldJ_mNqqQr0nFjxvJYca98LGkYwpH_LOUgKIx9nnFCtpx1muHIDA"},"schema":"pubphys.envelope/1"},"record_hash":"c119fb667662832c532dac8e13a0d30b0b65b934152895ce9b5de2848bb5476e","leaf_index":2326}