{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:6NES4XTU4S4TM6BICSE4ZMOJHI","short_pith_number":"pith:6NES4XTU","schema_version":"1.0","canonical_sha256":"f3492e5e74e4b93678281489ccb1c93a3258b8f0c51b3f43b1d5505b3af98a19","source":{"kind":"arxiv","id":"1712.06381","version":1},"attestation_state":"computed","paper":{"title":"Fast, Collimated Outflow in the Western Nucleus of Arp 220","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Aaron S. Evans, Adam K. Leroy, Amanda Kepley, George C. Privon, Kazushi Sakamoto, Loreto Barcos-Mu\\~noz, Sergio Mart\\'in, Susanne Aalto, Todd A. Thompson","submitted_at":"2017-12-18T13:19:29Z","abstract_excerpt":"We present the first spatially and spectrally resolved image of the molecular outflow in the western nucleus of Arp\\,220. The outflow, seen in HCN~(1--0) by ALMA, is compact and collimated, with extension $\\lesssim$ 120\\,pc. Bipolar morphology emerges along the minor axis of the disk, with redshifted and blueshifted components reaching maximum inclination-corrected velocity of $\\sim\\,\\pm$\\,840\\,km\\,s$^{-1}$. The outflow is also seen in CO and continuum emission, the latter implying that it carries significant dust. We estimate a total mass in the outflow of $\\geqslant$\\,10$^{6}$\\,M$_{\\odot}$, "},"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":"1712.06381","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-12-18T13:19:29Z","cross_cats_sorted":[],"title_canon_sha256":"626b90c882ab66ed19f8f61c9531927945701688d6383b59a31a0227913ae012","abstract_canon_sha256":"bde111d1927eb81e35e5b8ded5320d8f9c95f93dd8d30b904237db17db8098bc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:28.407883Z","signature_b64":"Ar0RZO/Va/CAGH/PiSfv8TBa4H+Lr/o96orajFQPnX37ziYD/P8xLQmmiHlIvmgqDG9b22WySKmN82RG991rAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3492e5e74e4b93678281489ccb1c93a3258b8f0c51b3f43b1d5505b3af98a19","last_reissued_at":"2026-05-18T00:23:28.407148Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:28.407148Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fast, Collimated Outflow in the Western Nucleus of Arp 220","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Aaron S. Evans, Adam K. Leroy, Amanda Kepley, George C. Privon, Kazushi Sakamoto, Loreto Barcos-Mu\\~noz, Sergio Mart\\'in, Susanne Aalto, Todd A. Thompson","submitted_at":"2017-12-18T13:19:29Z","abstract_excerpt":"We present the first spatially and spectrally resolved image of the molecular outflow in the western nucleus of Arp\\,220. The outflow, seen in HCN~(1--0) by ALMA, is compact and collimated, with extension $\\lesssim$ 120\\,pc. Bipolar morphology emerges along the minor axis of the disk, with redshifted and blueshifted components reaching maximum inclination-corrected velocity of $\\sim\\,\\pm$\\,840\\,km\\,s$^{-1}$. The outflow is also seen in CO and continuum emission, the latter implying that it carries significant dust. We estimate a total mass in the outflow of $\\geqslant$\\,10$^{6}$\\,M$_{\\odot}$, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.06381","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":"1712.06381","created_at":"2026-05-18T00:23:28.407266+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.06381v1","created_at":"2026-05-18T00:23:28.407266+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.06381","created_at":"2026-05-18T00:23:28.407266+00:00"},{"alias_kind":"pith_short_12","alias_value":"6NES4XTU4S4T","created_at":"2026-05-18T12:31:03.183658+00:00"},{"alias_kind":"pith_short_16","alias_value":"6NES4XTU4S4TM6BI","created_at":"2026-05-18T12:31:03.183658+00:00"},{"alias_kind":"pith_short_8","alias_value":"6NES4XTU","created_at":"2026-05-18T12:31:03.183658+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/6NES4XTU4S4TM6BICSE4ZMOJHI","json":"https://pith.science/pith/6NES4XTU4S4TM6BICSE4ZMOJHI.json","graph_json":"https://pith.science/api/pith-number/6NES4XTU4S4TM6BICSE4ZMOJHI/graph.json","events_json":"https://pith.science/api/pith-number/6NES4XTU4S4TM6BICSE4ZMOJHI/events.json","paper":"https://pith.science/paper/6NES4XTU"},"agent_actions":{"view_html":"https://pith.science/pith/6NES4XTU4S4TM6BICSE4ZMOJHI","download_json":"https://pith.science/pith/6NES4XTU4S4TM6BICSE4ZMOJHI.json","view_paper":"https://pith.science/paper/6NES4XTU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.06381&json=true","fetch_graph":"https://pith.science/api/pith-number/6NES4XTU4S4TM6BICSE4ZMOJHI/graph.json","fetch_events":"https://pith.science/api/pith-number/6NES4XTU4S4TM6BICSE4ZMOJHI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6NES4XTU4S4TM6BICSE4ZMOJHI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6NES4XTU4S4TM6BICSE4ZMOJHI/action/storage_attestation","attest_author":"https://pith.science/pith/6NES4XTU4S4TM6BICSE4ZMOJHI/action/author_attestation","sign_citation":"https://pith.science/pith/6NES4XTU4S4TM6BICSE4ZMOJHI/action/citation_signature","submit_replication":"https://pith.science/pith/6NES4XTU4S4TM6BICSE4ZMOJHI/action/replication_record"}},"created_at":"2026-05-18T00:23:28.407266+00:00","updated_at":"2026-05-18T00:23:28.407266+00:00"}