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Clubb, Kevin Apps, Matthew Giguere, Sebastien Lepine","submitted_at":"2011-09-13T21:02:17Z","abstract_excerpt":"Doppler observations from Keck Observatory have revealed a triple planet system orbiting the nearby mid-type K dwarf, HIP 57274. The inner planet, HIP 57274b, is a super-Earth with \\msini\\ = 11.6 \\mearth (0.036 \\mjup), an orbital period of 8.135 $\\pm$ 0.004 d, and slightly eccentric orbit $e=0.19 \\pm 0.1$. We calculate a transit probability of 6.5% for the inner planet. The second planet has \\msini\\ = 0.4 \\mjup\\ with an orbital period of 32.0 $\\pm 0.02$ d in a nearly circular orbit, and $e = 0.05 \\pm 0.03$. The third planet has \\msini\\ = 0.53 \\mjup\\ with an orbital period of 432 $\\pm 8$ d (1.1"},"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":"1109.2926","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-09-13T21:02:17Z","cross_cats_sorted":[],"title_canon_sha256":"75027452d0e4da34afe35eeed39f9f3e88c6f734a121b19d89dcc823d803a2f9","abstract_canon_sha256":"1673d368c6f7a339a1d52ebcd07edd65c5672930fd3675c636088f218bc51b8b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:33.317222Z","signature_b64":"wIHRAIY5mvRDXiz9FjbP2RhORKr1CXnWRuNiwlz/UphCYFVTW3YZ7owa23lQdxHZk6724uZKT09gqqKxdKURCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6dbdb26079ae16b412bdd578ad0c63ce6769ddbe700b393bea88b6c537fe5dc5","last_reissued_at":"2026-05-18T02:00:33.316661Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:33.316661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"M2K: II. 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The second planet has \\msini\\ = 0.4 \\mjup\\ with an orbital period of 32.0 $\\pm 0.02$ d in a nearly circular orbit, and $e = 0.05 \\pm 0.03$. The third planet has \\msini\\ = 0.53 \\mjup\\ with an orbital period of 432 $\\pm 8$ d (1.1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2926","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":"1109.2926","created_at":"2026-05-18T02:00:33.316757+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.2926v1","created_at":"2026-05-18T02:00:33.316757+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2926","created_at":"2026-05-18T02:00:33.316757+00:00"},{"alias_kind":"pith_short_12","alias_value":"NW63EYDZVYLL","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_16","alias_value":"NW63EYDZVYLLIEV5","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_8","alias_value":"NW63EYDZ","created_at":"2026-05-18T12:26:37.096874+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/NW63EYDZVYLLIEV52V4K2DDDZZ","json":"https://pith.science/pith/NW63EYDZVYLLIEV52V4K2DDDZZ.json","graph_json":"https://pith.science/api/pith-number/NW63EYDZVYLLIEV52V4K2DDDZZ/graph.json","events_json":"https://pith.science/api/pith-number/NW63EYDZVYLLIEV52V4K2DDDZZ/events.json","paper":"https://pith.science/paper/NW63EYDZ"},"agent_actions":{"view_html":"https://pith.science/pith/NW63EYDZVYLLIEV52V4K2DDDZZ","download_json":"https://pith.science/pith/NW63EYDZVYLLIEV52V4K2DDDZZ.json","view_paper":"https://pith.science/paper/NW63EYDZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.2926&json=true","fetch_graph":"https://pith.science/api/pith-number/NW63EYDZVYLLIEV52V4K2DDDZZ/graph.json","fetch_events":"https://pith.science/api/pith-number/NW63EYDZVYLLIEV52V4K2DDDZZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NW63EYDZVYLLIEV52V4K2DDDZZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NW63EYDZVYLLIEV52V4K2DDDZZ/action/storage_attestation","attest_author":"https://pith.science/pith/NW63EYDZVYLLIEV52V4K2DDDZZ/action/author_attestation","sign_citation":"https://pith.science/pith/NW63EYDZVYLLIEV52V4K2DDDZZ/action/citation_signature","submit_replication":"https://pith.science/pith/NW63EYDZVYLLIEV52V4K2DDDZZ/action/replication_record"}},"created_at":"2026-05-18T02:00:33.316757+00:00","updated_at":"2026-05-18T02:00:33.316757+00:00"}