{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:ZHPQXWK7C6KPRUYJRZ353SWFP2","short_pith_number":"pith:ZHPQXWK7","schema_version":"1.0","canonical_sha256":"c9df0bd95f1794f8d3098e77ddcac57eb85df04d376391b6cc5b7661e5e0cd29","source":{"kind":"arxiv","id":"astro-ph/0611336","version":1},"attestation_state":"computed","paper":{"title":"A direct and differential imaging search for sub-stellar companions to epsilon Indi A","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"E. Masciadri, K. Geissler, L. Close, M. Endl, M. Hartung, M. Kuerster, R. Lenzen, S. Kellner, T. Henning, W. Brandner","submitted_at":"2006-11-10T14:31:13Z","abstract_excerpt":"We have carried out a direct and differential imaging search for sub-stellar companions to eps Indi A using the adaptive optics system NACO at the ESO VLT. The observations were carried out in September 2004 with NACO/SDI as well as with NACO's S27 camera in the H and Ks filters. The SDI data cover an area of \\~2.8\" around eps Indi A. No detection was achieved in the inner neighbourhood down to 53 Mj (5 sigma confidence level) at a separation > 0.4\" (1.45 AU) and down to 21 Mj for separations > 1.3\" (4.7 AU). To cover a wider field of view, observations with the S27 camera and a coronagraphic "},"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":"astro-ph/0611336","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-10T14:31:13Z","cross_cats_sorted":[],"title_canon_sha256":"aac39e5cbe7c6c68c143b1cec96d2c71b90b6e81cfa1140e720072c219fbf27c","abstract_canon_sha256":"e37f837167c70f6a07aaf322ec00933fe1bdd960b261d4322ce258c01e95626a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:59:38.227321Z","signature_b64":"sB6ZOx6Fr2ZLXBynQzy7DL05xtKqWMj5YMEB5Nb955MjLptQqE3oLOCOUfzR4QHJAVGPcRFjZVsT5ZWq3OyRBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9df0bd95f1794f8d3098e77ddcac57eb85df04d376391b6cc5b7661e5e0cd29","last_reissued_at":"2026-07-04T16:59:38.226937Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:59:38.226937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A direct and differential imaging search for sub-stellar companions to epsilon Indi A","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"E. Masciadri, K. Geissler, L. Close, M. Endl, M. Hartung, M. Kuerster, R. Lenzen, S. Kellner, T. Henning, W. Brandner","submitted_at":"2006-11-10T14:31:13Z","abstract_excerpt":"We have carried out a direct and differential imaging search for sub-stellar companions to eps Indi A using the adaptive optics system NACO at the ESO VLT. The observations were carried out in September 2004 with NACO/SDI as well as with NACO's S27 camera in the H and Ks filters. The SDI data cover an area of \\~2.8\" around eps Indi A. No detection was achieved in the inner neighbourhood down to 53 Mj (5 sigma confidence level) at a separation > 0.4\" (1.45 AU) and down to 21 Mj for separations > 1.3\" (4.7 AU). To cover a wider field of view, observations with the S27 camera and a coronagraphic "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0611336","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0611336/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":"astro-ph/0611336","created_at":"2026-07-04T16:59:38.227002+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0611336v1","created_at":"2026-07-04T16:59:38.227002+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0611336","created_at":"2026-07-04T16:59:38.227002+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZHPQXWK7C6KP","created_at":"2026-07-04T16:59:38.227002+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZHPQXWK7C6KPRUYJ","created_at":"2026-07-04T16:59:38.227002+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZHPQXWK7","created_at":"2026-07-04T16:59:38.227002+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/ZHPQXWK7C6KPRUYJRZ353SWFP2","json":"https://pith.science/pith/ZHPQXWK7C6KPRUYJRZ353SWFP2.json","graph_json":"https://pith.science/api/pith-number/ZHPQXWK7C6KPRUYJRZ353SWFP2/graph.json","events_json":"https://pith.science/api/pith-number/ZHPQXWK7C6KPRUYJRZ353SWFP2/events.json","paper":"https://pith.science/paper/ZHPQXWK7"},"agent_actions":{"view_html":"https://pith.science/pith/ZHPQXWK7C6KPRUYJRZ353SWFP2","download_json":"https://pith.science/pith/ZHPQXWK7C6KPRUYJRZ353SWFP2.json","view_paper":"https://pith.science/paper/ZHPQXWK7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0611336&json=true","fetch_graph":"https://pith.science/api/pith-number/ZHPQXWK7C6KPRUYJRZ353SWFP2/graph.json","fetch_events":"https://pith.science/api/pith-number/ZHPQXWK7C6KPRUYJRZ353SWFP2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZHPQXWK7C6KPRUYJRZ353SWFP2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZHPQXWK7C6KPRUYJRZ353SWFP2/action/storage_attestation","attest_author":"https://pith.science/pith/ZHPQXWK7C6KPRUYJRZ353SWFP2/action/author_attestation","sign_citation":"https://pith.science/pith/ZHPQXWK7C6KPRUYJRZ353SWFP2/action/citation_signature","submit_replication":"https://pith.science/pith/ZHPQXWK7C6KPRUYJRZ353SWFP2/action/replication_record"}},"created_at":"2026-07-04T16:59:38.227002+00:00","updated_at":"2026-07-04T16:59:38.227002+00:00"}