{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:G2RYVEYU3LNETMNV3HEWHARO65","short_pith_number":"pith:G2RYVEYU","schema_version":"1.0","canonical_sha256":"36a38a9314dada49b1b5d9c963822ef74687fd6c664880da64b11a6c06228768","source":{"kind":"arxiv","id":"1109.3736","version":1},"attestation_state":"computed","paper":{"title":"Exploring B4: A Pulsating sdB star, in a Binary, in the Open Cluster NGC 6791","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Elizabeth M. Green, Herbert Pablo, Steven D. Kawaler","submitted_at":"2011-09-16T22:28:19Z","abstract_excerpt":"We report on Kepler photometry of the hot sdB star B4 in the open cluster NGC 6791. We confirm that B4 is a reflection effect binary with an sdB component and a low-mass main sequence companion with a circular 0.3985 d orbit. The sdB star is a g-mode pulsator (a V1093 Her star) with periods ranging from 2384 s to 7643 s. Several of the pulsation modes show symmetric splitting by 0.62 microHz. Attributing this to rotational splitting, we conclude that the sdB component has a rotation period of approximately 9.63 d, indicating that tidal synchronization has not been achieved in this system. Comp"},"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":"1109.3736","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-16T22:28:19Z","cross_cats_sorted":[],"title_canon_sha256":"2b9bb86597f6e500a7aa424db74055e2aad3dbcd0bb8abbebd3fbd68737052f8","abstract_canon_sha256":"d464fa39a7ec5a58ac578ac89421e4af840a7e071d54530d5145709bc011d991"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:31.548673Z","signature_b64":"DkkE7Ivb6vYs60loiBiCgfbsFa3Y0k27zq+8vJlEHftdZkzSjt8cbULn9rGtQQ0yx8ISPgzRjmiAoZEWmaKYBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"36a38a9314dada49b1b5d9c963822ef74687fd6c664880da64b11a6c06228768","last_reissued_at":"2026-05-18T02:00:31.548061Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:31.548061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exploring B4: A Pulsating sdB star, in a Binary, in the Open Cluster NGC 6791","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Elizabeth M. Green, Herbert Pablo, Steven D. Kawaler","submitted_at":"2011-09-16T22:28:19Z","abstract_excerpt":"We report on Kepler photometry of the hot sdB star B4 in the open cluster NGC 6791. We confirm that B4 is a reflection effect binary with an sdB component and a low-mass main sequence companion with a circular 0.3985 d orbit. The sdB star is a g-mode pulsator (a V1093 Her star) with periods ranging from 2384 s to 7643 s. Several of the pulsation modes show symmetric splitting by 0.62 microHz. Attributing this to rotational splitting, we conclude that the sdB component has a rotation period of approximately 9.63 d, indicating that tidal synchronization has not been achieved in this system. Comp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3736","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":"1109.3736","created_at":"2026-05-18T02:00:31.548156+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.3736v1","created_at":"2026-05-18T02:00:31.548156+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.3736","created_at":"2026-05-18T02:00:31.548156+00:00"},{"alias_kind":"pith_short_12","alias_value":"G2RYVEYU3LNE","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_16","alias_value":"G2RYVEYU3LNETMNV","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_8","alias_value":"G2RYVEYU","created_at":"2026-05-18T12:26:28.662955+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/G2RYVEYU3LNETMNV3HEWHARO65","json":"https://pith.science/pith/G2RYVEYU3LNETMNV3HEWHARO65.json","graph_json":"https://pith.science/api/pith-number/G2RYVEYU3LNETMNV3HEWHARO65/graph.json","events_json":"https://pith.science/api/pith-number/G2RYVEYU3LNETMNV3HEWHARO65/events.json","paper":"https://pith.science/paper/G2RYVEYU"},"agent_actions":{"view_html":"https://pith.science/pith/G2RYVEYU3LNETMNV3HEWHARO65","download_json":"https://pith.science/pith/G2RYVEYU3LNETMNV3HEWHARO65.json","view_paper":"https://pith.science/paper/G2RYVEYU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.3736&json=true","fetch_graph":"https://pith.science/api/pith-number/G2RYVEYU3LNETMNV3HEWHARO65/graph.json","fetch_events":"https://pith.science/api/pith-number/G2RYVEYU3LNETMNV3HEWHARO65/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/G2RYVEYU3LNETMNV3HEWHARO65/action/timestamp_anchor","attest_storage":"https://pith.science/pith/G2RYVEYU3LNETMNV3HEWHARO65/action/storage_attestation","attest_author":"https://pith.science/pith/G2RYVEYU3LNETMNV3HEWHARO65/action/author_attestation","sign_citation":"https://pith.science/pith/G2RYVEYU3LNETMNV3HEWHARO65/action/citation_signature","submit_replication":"https://pith.science/pith/G2RYVEYU3LNETMNV3HEWHARO65/action/replication_record"}},"created_at":"2026-05-18T02:00:31.548156+00:00","updated_at":"2026-05-18T02:00:31.548156+00:00"}