{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:MY4SWTFBOWZIKDDLOPZYXTDDJ7","short_pith_number":"pith:MY4SWTFB","schema_version":"1.0","canonical_sha256":"66392b4ca175b2850c6b73f38bcc634fefcd329ddaeaf8cf07261fed4e8b821b","source":{"kind":"arxiv","id":"2107.13566","version":1},"attestation_state":"computed","paper":{"title":"Circumbinary and circumstellar discs around the eccentric binary IRAS 04158+2805 -- a testbed for binary-disc interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Christophe Pinte, Claudia Toci, Daniele Fasano, Daniel J. Price, Enrico Ragusa, Fran\\c{c}ois M\\'enard, Gaspard Duch\\^ene, Gerrit van der Plas, Giuseppe Lodato, Karl Stapelfeldt, Marion Villenave, Nicol\\'as Cuello, Schuyler Wolff","submitted_at":"2021-07-28T18:00:02Z","abstract_excerpt":"IRAS~04158+2805 has long been thought to be a very low mass T-Tauri star (VLMS) surrounded by a nearly edge-on, extremely large disc. Recent observations revealed that this source hosts a binary surrounded by an extended circumbinary disc with a central dust cavity. In this paper, we combine ALMA multi-wavelength observations of continuum and $^{12}$CO line emission, with H$\\alpha$ imaging and Keck astrometric measures of the binary to develop a coherent dynamical model of this system. The system features an azimuthal asymmetry detected at the western edge of the cavity in Band~7 observations "},"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":"2107.13566","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-07-28T18:00:02Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"bf222ef7ecc16ca4e1349a36497af4f153a66509995ab16b9dad8b936b051e05","abstract_canon_sha256":"9491b9b352dead63c252305e46bf0a821147c9fdd07d4b0827a6deffcb20b249"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:04:56.323871Z","signature_b64":"LE4ZUlHanKzIYo/PQ3tH5/LOeEBi6RGcyGZAYO4zbKnRwBPSCusBc37FzP/fFwKzkg1OQWDtNNsMSYiCb+ivDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66392b4ca175b2850c6b73f38bcc634fefcd329ddaeaf8cf07261fed4e8b821b","last_reissued_at":"2026-07-05T03:04:56.323402Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:04:56.323402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Circumbinary and circumstellar discs around the eccentric binary IRAS 04158+2805 -- a testbed for binary-disc interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Christophe Pinte, Claudia Toci, Daniele Fasano, Daniel J. Price, Enrico Ragusa, Fran\\c{c}ois M\\'enard, Gaspard Duch\\^ene, Gerrit van der Plas, Giuseppe Lodato, Karl Stapelfeldt, Marion Villenave, Nicol\\'as Cuello, Schuyler Wolff","submitted_at":"2021-07-28T18:00:02Z","abstract_excerpt":"IRAS~04158+2805 has long been thought to be a very low mass T-Tauri star (VLMS) surrounded by a nearly edge-on, extremely large disc. Recent observations revealed that this source hosts a binary surrounded by an extended circumbinary disc with a central dust cavity. In this paper, we combine ALMA multi-wavelength observations of continuum and $^{12}$CO line emission, with H$\\alpha$ imaging and Keck astrometric measures of the binary to develop a coherent dynamical model of this system. The system features an azimuthal asymmetry detected at the western edge of the cavity in Band~7 observations "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.13566","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/2107.13566/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":"2107.13566","created_at":"2026-07-05T03:04:56.323466+00:00"},{"alias_kind":"arxiv_version","alias_value":"2107.13566v1","created_at":"2026-07-05T03:04:56.323466+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.13566","created_at":"2026-07-05T03:04:56.323466+00:00"},{"alias_kind":"pith_short_12","alias_value":"MY4SWTFBOWZI","created_at":"2026-07-05T03:04:56.323466+00:00"},{"alias_kind":"pith_short_16","alias_value":"MY4SWTFBOWZIKDDL","created_at":"2026-07-05T03:04:56.323466+00:00"},{"alias_kind":"pith_short_8","alias_value":"MY4SWTFB","created_at":"2026-07-05T03:04:56.323466+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/MY4SWTFBOWZIKDDLOPZYXTDDJ7","json":"https://pith.science/pith/MY4SWTFBOWZIKDDLOPZYXTDDJ7.json","graph_json":"https://pith.science/api/pith-number/MY4SWTFBOWZIKDDLOPZYXTDDJ7/graph.json","events_json":"https://pith.science/api/pith-number/MY4SWTFBOWZIKDDLOPZYXTDDJ7/events.json","paper":"https://pith.science/paper/MY4SWTFB"},"agent_actions":{"view_html":"https://pith.science/pith/MY4SWTFBOWZIKDDLOPZYXTDDJ7","download_json":"https://pith.science/pith/MY4SWTFBOWZIKDDLOPZYXTDDJ7.json","view_paper":"https://pith.science/paper/MY4SWTFB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2107.13566&json=true","fetch_graph":"https://pith.science/api/pith-number/MY4SWTFBOWZIKDDLOPZYXTDDJ7/graph.json","fetch_events":"https://pith.science/api/pith-number/MY4SWTFBOWZIKDDLOPZYXTDDJ7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MY4SWTFBOWZIKDDLOPZYXTDDJ7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MY4SWTFBOWZIKDDLOPZYXTDDJ7/action/storage_attestation","attest_author":"https://pith.science/pith/MY4SWTFBOWZIKDDLOPZYXTDDJ7/action/author_attestation","sign_citation":"https://pith.science/pith/MY4SWTFBOWZIKDDLOPZYXTDDJ7/action/citation_signature","submit_replication":"https://pith.science/pith/MY4SWTFBOWZIKDDLOPZYXTDDJ7/action/replication_record"}},"created_at":"2026-07-05T03:04:56.323466+00:00","updated_at":"2026-07-05T03:04:56.323466+00:00"}