{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:2Z6FIKN3GMGVZT62XBDLDBCQ33","short_pith_number":"pith:2Z6FIKN3","schema_version":"1.0","canonical_sha256":"d67c5429bb330d5ccfdab846b18450deda9202453d72ee1ea3f8dc74d5dfbc33","source":{"kind":"arxiv","id":"1101.4934","version":2},"attestation_state":"computed","paper":{"title":"A Keck LGS AO Search for Brown Dwarf and Planetary Mass Companions to Upper Scorpius Brown Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Beth Biller, Katelyn Allers, Laird Close, Michael Liu, Trent Dupuy","submitted_at":"2011-01-25T21:00:00Z","abstract_excerpt":"We searched for binary companions to 20 young brown dwarfs in the Upper Scorpius association (145 pc, 5 Myr, nearest OB association) with the the Laser Guide Star adaptive optics system and the facility infrared camera NIRC2 on the 10 m Keck II telescope. We discovered a 0.14\" companion (20.9+-0.4 AU) to the <0.1 MSun object SCH J16091837-20073523. From spectral deconvolution of integrated-light near-IR spectroscopy of SCH1609 using the SpeX spectrograph (Rayner et al. 2003), we estimate primary and secondary spectral types of M6+-0.5 and M7+-1.0, corresponding to masses of 79+-17 MJup and 55+"},"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":"1101.4934","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-01-25T21:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"56604f3177e0f4e57d3df908f80945b60403a8e9d5dc4eb2060da3d06c6e2cb9","abstract_canon_sha256":"c0b21481d49cff839840a88bf3a1eb752684644cb2276eacd3ccdbb481dcc6b2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:22.263381Z","signature_b64":"K2wXeTMcuwBLUr3jvb8GYACasJq/gCq75aUDDO1wjg3mL2KtjYJFwvYhnoPQM1Y6s+kz3dFvDhvkrKJT8MnACA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d67c5429bb330d5ccfdab846b18450deda9202453d72ee1ea3f8dc74d5dfbc33","last_reissued_at":"2026-05-18T02:03:22.262682Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:22.262682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Keck LGS AO Search for Brown Dwarf and Planetary Mass Companions to Upper Scorpius Brown Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Beth Biller, Katelyn Allers, Laird Close, Michael Liu, Trent Dupuy","submitted_at":"2011-01-25T21:00:00Z","abstract_excerpt":"We searched for binary companions to 20 young brown dwarfs in the Upper Scorpius association (145 pc, 5 Myr, nearest OB association) with the the Laser Guide Star adaptive optics system and the facility infrared camera NIRC2 on the 10 m Keck II telescope. We discovered a 0.14\" companion (20.9+-0.4 AU) to the <0.1 MSun object SCH J16091837-20073523. From spectral deconvolution of integrated-light near-IR spectroscopy of SCH1609 using the SpeX spectrograph (Rayner et al. 2003), we estimate primary and secondary spectral types of M6+-0.5 and M7+-1.0, corresponding to masses of 79+-17 MJup and 55+"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.4934","kind":"arxiv","version":2},"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":"1101.4934","created_at":"2026-05-18T02:03:22.262772+00:00"},{"alias_kind":"arxiv_version","alias_value":"1101.4934v2","created_at":"2026-05-18T02:03:22.262772+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.4934","created_at":"2026-05-18T02:03:22.262772+00:00"},{"alias_kind":"pith_short_12","alias_value":"2Z6FIKN3GMGV","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"2Z6FIKN3GMGVZT62","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"2Z6FIKN3","created_at":"2026-05-18T12:26:18.847500+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/2Z6FIKN3GMGVZT62XBDLDBCQ33","json":"https://pith.science/pith/2Z6FIKN3GMGVZT62XBDLDBCQ33.json","graph_json":"https://pith.science/api/pith-number/2Z6FIKN3GMGVZT62XBDLDBCQ33/graph.json","events_json":"https://pith.science/api/pith-number/2Z6FIKN3GMGVZT62XBDLDBCQ33/events.json","paper":"https://pith.science/paper/2Z6FIKN3"},"agent_actions":{"view_html":"https://pith.science/pith/2Z6FIKN3GMGVZT62XBDLDBCQ33","download_json":"https://pith.science/pith/2Z6FIKN3GMGVZT62XBDLDBCQ33.json","view_paper":"https://pith.science/paper/2Z6FIKN3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1101.4934&json=true","fetch_graph":"https://pith.science/api/pith-number/2Z6FIKN3GMGVZT62XBDLDBCQ33/graph.json","fetch_events":"https://pith.science/api/pith-number/2Z6FIKN3GMGVZT62XBDLDBCQ33/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2Z6FIKN3GMGVZT62XBDLDBCQ33/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2Z6FIKN3GMGVZT62XBDLDBCQ33/action/storage_attestation","attest_author":"https://pith.science/pith/2Z6FIKN3GMGVZT62XBDLDBCQ33/action/author_attestation","sign_citation":"https://pith.science/pith/2Z6FIKN3GMGVZT62XBDLDBCQ33/action/citation_signature","submit_replication":"https://pith.science/pith/2Z6FIKN3GMGVZT62XBDLDBCQ33/action/replication_record"}},"created_at":"2026-05-18T02:03:22.262772+00:00","updated_at":"2026-05-18T02:03:22.262772+00:00"}