{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:4MTRK4DUA7FYAIBQDZN3ZAZUBD","short_pith_number":"pith:4MTRK4DU","schema_version":"1.0","canonical_sha256":"e32715707407cb8020301e5bbc833408d60c95dee7d6e6ca73959b78e736d925","source":{"kind":"arxiv","id":"2008.01731","version":2},"attestation_state":"computed","paper":{"title":"The nature of CR7 revealed with MUSE: a young starburst powering extended Lyman-$\\alpha$ emission at z=6.6","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"David Sobral, Floriane Leclercq, Gabriele Pezzulli, Haruka Kusakabe, Johan Richard, Jorryt Matthee, Leindert Boogaard, Lutz Wisotzki, Michael Maseda, Raffaella Marino, Ruari Mackenzie, Sebastiano Cantalupo, Simon Lilly, Themiya Nanayakkara","submitted_at":"2020-08-04T18:00:01Z","abstract_excerpt":"CR7 is among the most luminous Lyman-$\\alpha$ emitters (LAEs) known at $z = 6.6$ and consists of at least three UV components that are surrounded by Lyman-$\\alpha$ (Ly$\\alpha$) emission. Previous studies have suggested that it may host an extreme ionising source. Here, we present deep integral field spectroscopy of CR7 with VLT/MUSE. We measure extended emission with a similar halo scale length as typical LAEs at $z\\approx5$. CR7's Ly$\\alpha$ halo is clearly elongated along the direction connecting the multiple components, likely tracing the underlying gas distribution. The Ly$\\alpha$ emission"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2008.01731","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-08-04T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"7635a4ed9ba845bd4f2cfb684a84a37bdd4294e98d6b864e578789eab80a9a2a","abstract_canon_sha256":"eb5913d37e88d90eab7e299189028aac16d500d0d931aa9d400a604a28681519"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:32:12.185462Z","signature_b64":"cSHMFYdSf9FZEI8yO6iRdJ9fn2Hw6IE0FcvQ+yw1Y+Tq6zDIgEfrApmADMuKEQiWRUVXXKISvm8TQaseU9VmCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e32715707407cb8020301e5bbc833408d60c95dee7d6e6ca73959b78e736d925","last_reissued_at":"2026-07-05T01:32:12.185081Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:32:12.185081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The nature of CR7 revealed with MUSE: a young starburst powering extended Lyman-$\\alpha$ emission at z=6.6","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"David Sobral, Floriane Leclercq, Gabriele Pezzulli, Haruka Kusakabe, Johan Richard, Jorryt Matthee, Leindert Boogaard, Lutz Wisotzki, Michael Maseda, Raffaella Marino, Ruari Mackenzie, Sebastiano Cantalupo, Simon Lilly, Themiya Nanayakkara","submitted_at":"2020-08-04T18:00:01Z","abstract_excerpt":"CR7 is among the most luminous Lyman-$\\alpha$ emitters (LAEs) known at $z = 6.6$ and consists of at least three UV components that are surrounded by Lyman-$\\alpha$ (Ly$\\alpha$) emission. Previous studies have suggested that it may host an extreme ionising source. Here, we present deep integral field spectroscopy of CR7 with VLT/MUSE. We measure extended emission with a similar halo scale length as typical LAEs at $z\\approx5$. CR7's Ly$\\alpha$ halo is clearly elongated along the direction connecting the multiple components, likely tracing the underlying gas distribution. The Ly$\\alpha$ emission"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.01731","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2008.01731/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2008.01731","created_at":"2026-07-05T01:32:12.185140+00:00"},{"alias_kind":"arxiv_version","alias_value":"2008.01731v2","created_at":"2026-07-05T01:32:12.185140+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.01731","created_at":"2026-07-05T01:32:12.185140+00:00"},{"alias_kind":"pith_short_12","alias_value":"4MTRK4DUA7FY","created_at":"2026-07-05T01:32:12.185140+00:00"},{"alias_kind":"pith_short_16","alias_value":"4MTRK4DUA7FYAIBQ","created_at":"2026-07-05T01:32:12.185140+00:00"},{"alias_kind":"pith_short_8","alias_value":"4MTRK4DU","created_at":"2026-07-05T01:32:12.185140+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.05087","citing_title":"Lyman-alpha haloes in the aftermath of reionisation","ref_index":30,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4MTRK4DUA7FYAIBQDZN3ZAZUBD","json":"https://pith.science/pith/4MTRK4DUA7FYAIBQDZN3ZAZUBD.json","graph_json":"https://pith.science/api/pith-number/4MTRK4DUA7FYAIBQDZN3ZAZUBD/graph.json","events_json":"https://pith.science/api/pith-number/4MTRK4DUA7FYAIBQDZN3ZAZUBD/events.json","paper":"https://pith.science/paper/4MTRK4DU"},"agent_actions":{"view_html":"https://pith.science/pith/4MTRK4DUA7FYAIBQDZN3ZAZUBD","download_json":"https://pith.science/pith/4MTRK4DUA7FYAIBQDZN3ZAZUBD.json","view_paper":"https://pith.science/paper/4MTRK4DU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2008.01731&json=true","fetch_graph":"https://pith.science/api/pith-number/4MTRK4DUA7FYAIBQDZN3ZAZUBD/graph.json","fetch_events":"https://pith.science/api/pith-number/4MTRK4DUA7FYAIBQDZN3ZAZUBD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4MTRK4DUA7FYAIBQDZN3ZAZUBD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4MTRK4DUA7FYAIBQDZN3ZAZUBD/action/storage_attestation","attest_author":"https://pith.science/pith/4MTRK4DUA7FYAIBQDZN3ZAZUBD/action/author_attestation","sign_citation":"https://pith.science/pith/4MTRK4DUA7FYAIBQDZN3ZAZUBD/action/citation_signature","submit_replication":"https://pith.science/pith/4MTRK4DUA7FYAIBQDZN3ZAZUBD/action/replication_record"}},"created_at":"2026-07-05T01:32:12.185140+00:00","updated_at":"2026-07-05T01:32:12.185140+00:00"}