{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:RMWC5C7DTOTOUTPSRD2D242NYP","short_pith_number":"pith:RMWC5C7D","schema_version":"1.0","canonical_sha256":"8b2c2e8be39ba6ea4df288f43d734dc3ddf11dbe106f00cdf5e01c0e095bf4c7","source":{"kind":"arxiv","id":"0912.3107","version":1},"attestation_state":"computed","paper":{"title":"Type II-P supernovae as standardised candles: improvements using near infrared data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) Universidad de Chile, (3) INAF-Osservatorio Astronomico di Padova), Andrea Pastorello (1), Filomena Bufano (3) ((1) Queen's University Belfast, Kate Maguire (1), Mario Hamuy (2), Rubina Kotak (1), Stephen J. Smartt (1)","submitted_at":"2009-12-16T11:56:00Z","abstract_excerpt":"We present the first near infrared Hubble diagram for type II-P supernovae to further explore their value as distance indicators. We use a modified version of the standardised candle method which relies on the tight correlation between the absolute magnitudes of type II-P supernovae and their expansion velocities during the plateau phase. Although our sample contains only 12 II-P supernovae and they are necessarily local (z < 0.02), we demonstrate using near infrared JHK photometry that it may be possible to reduce the scatter in the Hubble diagram to 0.1-0.15 magnitudes. While this is potenti"},"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":"0912.3107","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-12-16T11:56:00Z","cross_cats_sorted":[],"title_canon_sha256":"c9cd42ffa18c2a44bd5ecdf03101e33a5c7387e360b04f0f41198575f8486dca","abstract_canon_sha256":"e03a0f59dfc7f5bd9669fbfa240d6c68adf44ab4c98be998777298cfce9dcbe8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:56.233946Z","signature_b64":"ZDj2guNRxZOiW3GgzDDCvUMek4hQ7dQGcMajrumiLiL9rrl3GrgCP9HIKs4BWQKKDba2YrdYS+9jd+wnqZO9Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b2c2e8be39ba6ea4df288f43d734dc3ddf11dbe106f00cdf5e01c0e095bf4c7","last_reissued_at":"2026-05-18T01:21:56.233270Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:56.233270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Type II-P supernovae as standardised candles: improvements using near infrared data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) Universidad de Chile, (3) INAF-Osservatorio Astronomico di Padova), Andrea Pastorello (1), Filomena Bufano (3) ((1) Queen's University Belfast, Kate Maguire (1), Mario Hamuy (2), Rubina Kotak (1), Stephen J. Smartt (1)","submitted_at":"2009-12-16T11:56:00Z","abstract_excerpt":"We present the first near infrared Hubble diagram for type II-P supernovae to further explore their value as distance indicators. We use a modified version of the standardised candle method which relies on the tight correlation between the absolute magnitudes of type II-P supernovae and their expansion velocities during the plateau phase. Although our sample contains only 12 II-P supernovae and they are necessarily local (z < 0.02), we demonstrate using near infrared JHK photometry that it may be possible to reduce the scatter in the Hubble diagram to 0.1-0.15 magnitudes. While this is potenti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.3107","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"0912.3107","created_at":"2026-05-18T01:21:56.233394+00:00"},{"alias_kind":"arxiv_version","alias_value":"0912.3107v1","created_at":"2026-05-18T01:21:56.233394+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.3107","created_at":"2026-05-18T01:21:56.233394+00:00"},{"alias_kind":"pith_short_12","alias_value":"RMWC5C7DTOTO","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"RMWC5C7DTOTOUTPS","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"RMWC5C7D","created_at":"2026-05-18T12:26:01.383474+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RMWC5C7DTOTOUTPSRD2D242NYP","json":"https://pith.science/pith/RMWC5C7DTOTOUTPSRD2D242NYP.json","graph_json":"https://pith.science/api/pith-number/RMWC5C7DTOTOUTPSRD2D242NYP/graph.json","events_json":"https://pith.science/api/pith-number/RMWC5C7DTOTOUTPSRD2D242NYP/events.json","paper":"https://pith.science/paper/RMWC5C7D"},"agent_actions":{"view_html":"https://pith.science/pith/RMWC5C7DTOTOUTPSRD2D242NYP","download_json":"https://pith.science/pith/RMWC5C7DTOTOUTPSRD2D242NYP.json","view_paper":"https://pith.science/paper/RMWC5C7D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0912.3107&json=true","fetch_graph":"https://pith.science/api/pith-number/RMWC5C7DTOTOUTPSRD2D242NYP/graph.json","fetch_events":"https://pith.science/api/pith-number/RMWC5C7DTOTOUTPSRD2D242NYP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RMWC5C7DTOTOUTPSRD2D242NYP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RMWC5C7DTOTOUTPSRD2D242NYP/action/storage_attestation","attest_author":"https://pith.science/pith/RMWC5C7DTOTOUTPSRD2D242NYP/action/author_attestation","sign_citation":"https://pith.science/pith/RMWC5C7DTOTOUTPSRD2D242NYP/action/citation_signature","submit_replication":"https://pith.science/pith/RMWC5C7DTOTOUTPSRD2D242NYP/action/replication_record"}},"created_at":"2026-05-18T01:21:56.233394+00:00","updated_at":"2026-05-18T01:21:56.233394+00:00"}