{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:DCFDAR6ZIG2D3TRO7AV3ULXPZZ","short_pith_number":"pith:DCFDAR6Z","schema_version":"1.0","canonical_sha256":"188a3047d941b43dce2ef82bba2eefce5c41b8b83729f83600810f01ca6b8e87","source":{"kind":"arxiv","id":"1309.0854","version":1},"attestation_state":"computed","paper":{"title":"Extended envelopes around Galactic Cepheids IV. T Monocerotis and X Sagittarii from mid-infrared interferometry with VLTI/MIDI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Gallenne, A. Merand, J. Breitfelder, O. Chesneau, P. Kervella, W. Gieren","submitted_at":"2013-09-03T22:29:07Z","abstract_excerpt":"Aims. We study the close environment of nearby Cepheids using high spatial resolution observations in the mid-infrared with the VLTI/MIDI instrument, a two-beam interferometric recombiner. Methods. We obtained spectra and visibilities for the classical Cepheids X Sgr and T Mon. We fitted the MIDI measurements, supplemented by B, V, J, H, K literature photometry, with the numerical transfer code DUSTY to determine the dust shell parameters. We used a typical dust composition for circumstellar environments. Results. We detect an extended dusty environment in the spectra and visibilities for both"},"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":"1309.0854","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-09-03T22:29:07Z","cross_cats_sorted":[],"title_canon_sha256":"782c5247649294ff62e12d756264ccc909bae8fbcc63cbd0f8b74a0143a0fbf4","abstract_canon_sha256":"a79df6596639c49a6c52558262500bb8dda71386b79f3c31d5e9a21734df79f4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:50.098674Z","signature_b64":"pyZHh2F+8tJ6UGZ/rxidDcSGhT8HnunbnleqIRuGbpND5BPZpZjFP7JE+WLTz+ZWMVHupqmYloszn1GLHVs4CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"188a3047d941b43dce2ef82bba2eefce5c41b8b83729f83600810f01ca6b8e87","last_reissued_at":"2026-05-18T01:47:50.098252Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:50.098252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Extended envelopes around Galactic Cepheids IV. T Monocerotis and X Sagittarii from mid-infrared interferometry with VLTI/MIDI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Gallenne, A. Merand, J. Breitfelder, O. Chesneau, P. Kervella, W. Gieren","submitted_at":"2013-09-03T22:29:07Z","abstract_excerpt":"Aims. We study the close environment of nearby Cepheids using high spatial resolution observations in the mid-infrared with the VLTI/MIDI instrument, a two-beam interferometric recombiner. Methods. We obtained spectra and visibilities for the classical Cepheids X Sgr and T Mon. We fitted the MIDI measurements, supplemented by B, V, J, H, K literature photometry, with the numerical transfer code DUSTY to determine the dust shell parameters. We used a typical dust composition for circumstellar environments. Results. We detect an extended dusty environment in the spectra and visibilities for both"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.0854","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":"1309.0854","created_at":"2026-05-18T01:47:50.098333+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.0854v1","created_at":"2026-05-18T01:47:50.098333+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.0854","created_at":"2026-05-18T01:47:50.098333+00:00"},{"alias_kind":"pith_short_12","alias_value":"DCFDAR6ZIG2D","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_16","alias_value":"DCFDAR6ZIG2D3TRO","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_8","alias_value":"DCFDAR6Z","created_at":"2026-05-18T12:27:40.988391+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/DCFDAR6ZIG2D3TRO7AV3ULXPZZ","json":"https://pith.science/pith/DCFDAR6ZIG2D3TRO7AV3ULXPZZ.json","graph_json":"https://pith.science/api/pith-number/DCFDAR6ZIG2D3TRO7AV3ULXPZZ/graph.json","events_json":"https://pith.science/api/pith-number/DCFDAR6ZIG2D3TRO7AV3ULXPZZ/events.json","paper":"https://pith.science/paper/DCFDAR6Z"},"agent_actions":{"view_html":"https://pith.science/pith/DCFDAR6ZIG2D3TRO7AV3ULXPZZ","download_json":"https://pith.science/pith/DCFDAR6ZIG2D3TRO7AV3ULXPZZ.json","view_paper":"https://pith.science/paper/DCFDAR6Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.0854&json=true","fetch_graph":"https://pith.science/api/pith-number/DCFDAR6ZIG2D3TRO7AV3ULXPZZ/graph.json","fetch_events":"https://pith.science/api/pith-number/DCFDAR6ZIG2D3TRO7AV3ULXPZZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DCFDAR6ZIG2D3TRO7AV3ULXPZZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DCFDAR6ZIG2D3TRO7AV3ULXPZZ/action/storage_attestation","attest_author":"https://pith.science/pith/DCFDAR6ZIG2D3TRO7AV3ULXPZZ/action/author_attestation","sign_citation":"https://pith.science/pith/DCFDAR6ZIG2D3TRO7AV3ULXPZZ/action/citation_signature","submit_replication":"https://pith.science/pith/DCFDAR6ZIG2D3TRO7AV3ULXPZZ/action/replication_record"}},"created_at":"2026-05-18T01:47:50.098333+00:00","updated_at":"2026-05-18T01:47:50.098333+00:00"}