{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:CR4UH2IG64GLCSBT7QJLAB7FTY","short_pith_number":"pith:CR4UH2IG","schema_version":"1.0","canonical_sha256":"147943e906f70cb14833fc12b007e59e06c1a90a62d628a1b60d4afff58a6741","source":{"kind":"arxiv","id":"2404.08087","version":1},"attestation_state":"computed","paper":{"title":"Time-resolved Hubble Space Telescope Wide Field Camera 3 Spectrophotometry Reveals Inefficient Day-to-Night Heat Redistribution in the Highly Irradiated Brown Dwarf SDSS 1557B","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Ben W. P. Lew, Daniel Apai, Joshua D. Lothringer, L. C. Mayorga, Mark S. Marley, Rachael C. Amaro, Sarah L. Casewell, Travis Barman, Vivien Parmentier, Xianyu Tan, Yifan Zhou","submitted_at":"2024-04-11T19:05:45Z","abstract_excerpt":"Brown dwarfs in ultra-short period orbits around white dwarfs offer a unique opportunity to study the properties of tidally-locked, fast rotating (1-3 hr), and highly-irradiated atmospheres. Here, we present phase-resolved spectrophotometry of the white dwarf-brown dwarf (WD-BD) binary SDSS 1557, which is the fifth WD-BD binary in our six-object sample. Using the Hubble Space Telescope Wide Field Camera 3 Near-infrared G141 instrument, the 1.1 to 1.7 $\\mu$m phase curves show rotational modulations with semi-amplitudes of 10.5$\\pm$0.1%. We observe a wavelength dependent amplitude, with longer w"},"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":"2404.08087","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-04-11T19:05:45Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"36cdb20f31b7fe2f3b1927b5ac70f090e48018aa0b05f6ee3578463925038d5f","abstract_canon_sha256":"6ee33616ff1041eae54f8be2c14802c62b9dcefd8e628a347d9e29aa6c6d12ba"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:07:17.399329Z","signature_b64":"V79gZqt3OgZNqBt7vnNiCMczoXUildSWBzhfWw4Pf4DJZB57SDPK1c/p6fdEzUwAUsC6OgisAYWnPqbOo1wXDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"147943e906f70cb14833fc12b007e59e06c1a90a62d628a1b60d4afff58a6741","last_reissued_at":"2026-07-05T08:07:17.398822Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:07:17.398822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Time-resolved Hubble Space Telescope Wide Field Camera 3 Spectrophotometry Reveals Inefficient Day-to-Night Heat Redistribution in the Highly Irradiated Brown Dwarf SDSS 1557B","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Ben W. P. Lew, Daniel Apai, Joshua D. Lothringer, L. C. Mayorga, Mark S. Marley, Rachael C. Amaro, Sarah L. Casewell, Travis Barman, Vivien Parmentier, Xianyu Tan, Yifan Zhou","submitted_at":"2024-04-11T19:05:45Z","abstract_excerpt":"Brown dwarfs in ultra-short period orbits around white dwarfs offer a unique opportunity to study the properties of tidally-locked, fast rotating (1-3 hr), and highly-irradiated atmospheres. Here, we present phase-resolved spectrophotometry of the white dwarf-brown dwarf (WD-BD) binary SDSS 1557, which is the fifth WD-BD binary in our six-object sample. Using the Hubble Space Telescope Wide Field Camera 3 Near-infrared G141 instrument, the 1.1 to 1.7 $\\mu$m phase curves show rotational modulations with semi-amplitudes of 10.5$\\pm$0.1%. We observe a wavelength dependent amplitude, with longer w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.08087","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/2404.08087/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":"2404.08087","created_at":"2026-07-05T08:07:17.398886+00:00"},{"alias_kind":"arxiv_version","alias_value":"2404.08087v1","created_at":"2026-07-05T08:07:17.398886+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.08087","created_at":"2026-07-05T08:07:17.398886+00:00"},{"alias_kind":"pith_short_12","alias_value":"CR4UH2IG64GL","created_at":"2026-07-05T08:07:17.398886+00:00"},{"alias_kind":"pith_short_16","alias_value":"CR4UH2IG64GLCSBT","created_at":"2026-07-05T08:07:17.398886+00:00"},{"alias_kind":"pith_short_8","alias_value":"CR4UH2IG","created_at":"2026-07-05T08:07:17.398886+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/CR4UH2IG64GLCSBT7QJLAB7FTY","json":"https://pith.science/pith/CR4UH2IG64GLCSBT7QJLAB7FTY.json","graph_json":"https://pith.science/api/pith-number/CR4UH2IG64GLCSBT7QJLAB7FTY/graph.json","events_json":"https://pith.science/api/pith-number/CR4UH2IG64GLCSBT7QJLAB7FTY/events.json","paper":"https://pith.science/paper/CR4UH2IG"},"agent_actions":{"view_html":"https://pith.science/pith/CR4UH2IG64GLCSBT7QJLAB7FTY","download_json":"https://pith.science/pith/CR4UH2IG64GLCSBT7QJLAB7FTY.json","view_paper":"https://pith.science/paper/CR4UH2IG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2404.08087&json=true","fetch_graph":"https://pith.science/api/pith-number/CR4UH2IG64GLCSBT7QJLAB7FTY/graph.json","fetch_events":"https://pith.science/api/pith-number/CR4UH2IG64GLCSBT7QJLAB7FTY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CR4UH2IG64GLCSBT7QJLAB7FTY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CR4UH2IG64GLCSBT7QJLAB7FTY/action/storage_attestation","attest_author":"https://pith.science/pith/CR4UH2IG64GLCSBT7QJLAB7FTY/action/author_attestation","sign_citation":"https://pith.science/pith/CR4UH2IG64GLCSBT7QJLAB7FTY/action/citation_signature","submit_replication":"https://pith.science/pith/CR4UH2IG64GLCSBT7QJLAB7FTY/action/replication_record"}},"created_at":"2026-07-05T08:07:17.398886+00:00","updated_at":"2026-07-05T08:07:17.398886+00:00"}