{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:JQ44E36AB55D7SPLKDDIS4QCJR","short_pith_number":"pith:JQ44E36A","schema_version":"1.0","canonical_sha256":"4c39c26fc00f7a3fc9eb50c68972024c7c1096e9072796ac03d462225ffee911","source":{"kind":"arxiv","id":"1107.4864","version":1},"attestation_state":"computed","paper":{"title":"Deriving the radial-velocity variations induced by stellar activity from high-precision photometry - Test on HD189733 with simultaneous MOST/SOPHIE data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"A. F. Lanza, A. S. Bonomo, C. Moutou, F. Bouchy, I. Boisse","submitted_at":"2011-07-25T08:19:43Z","abstract_excerpt":"Stellar activity induces apparent radial velocity (RV) variations in late-type main-sequence stars that may hamper the detection of low-mass planets and the measurement of their mass. We use simultaneous measurements of the active planet host star HD189733 with high-precision optical photometry by the MOST satellite and high-resolution spectra by SOPHIE. We apply on this unique dataset a spot model to predict the activity-induced RV variations and compare them with the observed ones. The model is based on the rotational modulation of the stellar flux. A maximum entropy regularization is applie"},"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":"1107.4864","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-25T08:19:43Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"5590591b54bf2bcd6401a89584369356462ae552268ed0876eeed1384264861e","abstract_canon_sha256":"fef774a3da28a9bd006e30ff433bc1c534cba2abdd23edca1e13c23f9502471c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:10.740463Z","signature_b64":"vEOfwrJuqwhiWXt6ZrM7Z4OqBADd7KFIml32K+rKwAozvvYAGZ8ltkeyFPgJr38EJ1B7MRFYgA6M0KuBqzc9AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c39c26fc00f7a3fc9eb50c68972024c7c1096e9072796ac03d462225ffee911","last_reissued_at":"2026-05-18T02:01:10.739681Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:10.739681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Deriving the radial-velocity variations induced by stellar activity from high-precision photometry - Test on HD189733 with simultaneous MOST/SOPHIE data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"A. F. Lanza, A. S. Bonomo, C. Moutou, F. Bouchy, I. Boisse","submitted_at":"2011-07-25T08:19:43Z","abstract_excerpt":"Stellar activity induces apparent radial velocity (RV) variations in late-type main-sequence stars that may hamper the detection of low-mass planets and the measurement of their mass. We use simultaneous measurements of the active planet host star HD189733 with high-precision optical photometry by the MOST satellite and high-resolution spectra by SOPHIE. We apply on this unique dataset a spot model to predict the activity-induced RV variations and compare them with the observed ones. The model is based on the rotational modulation of the stellar flux. A maximum entropy regularization is applie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.4864","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":"1107.4864","created_at":"2026-05-18T02:01:10.739815+00:00"},{"alias_kind":"arxiv_version","alias_value":"1107.4864v1","created_at":"2026-05-18T02:01:10.739815+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.4864","created_at":"2026-05-18T02:01:10.739815+00:00"},{"alias_kind":"pith_short_12","alias_value":"JQ44E36AB55D","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_16","alias_value":"JQ44E36AB55D7SPL","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_8","alias_value":"JQ44E36A","created_at":"2026-05-18T12:26:32.869790+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/JQ44E36AB55D7SPLKDDIS4QCJR","json":"https://pith.science/pith/JQ44E36AB55D7SPLKDDIS4QCJR.json","graph_json":"https://pith.science/api/pith-number/JQ44E36AB55D7SPLKDDIS4QCJR/graph.json","events_json":"https://pith.science/api/pith-number/JQ44E36AB55D7SPLKDDIS4QCJR/events.json","paper":"https://pith.science/paper/JQ44E36A"},"agent_actions":{"view_html":"https://pith.science/pith/JQ44E36AB55D7SPLKDDIS4QCJR","download_json":"https://pith.science/pith/JQ44E36AB55D7SPLKDDIS4QCJR.json","view_paper":"https://pith.science/paper/JQ44E36A","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1107.4864&json=true","fetch_graph":"https://pith.science/api/pith-number/JQ44E36AB55D7SPLKDDIS4QCJR/graph.json","fetch_events":"https://pith.science/api/pith-number/JQ44E36AB55D7SPLKDDIS4QCJR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JQ44E36AB55D7SPLKDDIS4QCJR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JQ44E36AB55D7SPLKDDIS4QCJR/action/storage_attestation","attest_author":"https://pith.science/pith/JQ44E36AB55D7SPLKDDIS4QCJR/action/author_attestation","sign_citation":"https://pith.science/pith/JQ44E36AB55D7SPLKDDIS4QCJR/action/citation_signature","submit_replication":"https://pith.science/pith/JQ44E36AB55D7SPLKDDIS4QCJR/action/replication_record"}},"created_at":"2026-05-18T02:01:10.739815+00:00","updated_at":"2026-05-18T02:01:10.739815+00:00"}