{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:BSYOBLTEL7DAJIKITNBIBYZNL3","short_pith_number":"pith:BSYOBLTE","schema_version":"1.0","canonical_sha256":"0cb0e0ae645fc604a1489b4280e32d5ef17e805e1cdd118422c7d530f3aa425a","source":{"kind":"arxiv","id":"1112.1411","version":1},"attestation_state":"computed","paper":{"title":"H\\alpha\\ Emission Variability in Active M Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Allen B. Rogel, Andrew A. West, Eric J. Hilton, James R. A. Davenport, Keaton J. Bell, Suzanne L. Hawley","submitted_at":"2011-12-06T21:00:08Z","abstract_excerpt":"We use ~12,000 spectra of ~3,500 magnetically active M0-M9 dwarfs from the Sloan Digital Sky Survey taken at 10-15 minute intervals, together with ~300 spectra of ~60 M0-M8 stars obtained hourly with the Hydra multi-object spectrometer, to probe H\\alpha\\ variability on timescales of minutes to weeks. With multiple observations for every star examined, we are able to characterize fluctuations in H\\alpha emission as a function of activity strength and spectral type. Stars with greater magnetic activity (as quantified by L_H\\alpha/L_bol) are found to be less variable at all spectral types. We att"},"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":"1112.1411","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-06T21:00:08Z","cross_cats_sorted":[],"title_canon_sha256":"938636e14e016730d5565df4eca09b686afa1cb44e0257c91c29f67cc0f2bc11","abstract_canon_sha256":"0c79f62a6cd15a1b39952261d10e334309753d405a4e1f5ef436fdcd2195a4fb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:16.151500Z","signature_b64":"fYFgxevgq6yfrr4EpiRp3Of+1SPgZQf892lFrwDTO4gWv49ghEoWuWyzl42TqlpJFMBzPWDFWJKWER3F4o7zDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0cb0e0ae645fc604a1489b4280e32d5ef17e805e1cdd118422c7d530f3aa425a","last_reissued_at":"2026-05-18T01:59:16.150882Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:16.150882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"H\\alpha\\ Emission Variability in Active M Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Allen B. Rogel, Andrew A. West, Eric J. Hilton, James R. A. Davenport, Keaton J. Bell, Suzanne L. Hawley","submitted_at":"2011-12-06T21:00:08Z","abstract_excerpt":"We use ~12,000 spectra of ~3,500 magnetically active M0-M9 dwarfs from the Sloan Digital Sky Survey taken at 10-15 minute intervals, together with ~300 spectra of ~60 M0-M8 stars obtained hourly with the Hydra multi-object spectrometer, to probe H\\alpha\\ variability on timescales of minutes to weeks. With multiple observations for every star examined, we are able to characterize fluctuations in H\\alpha emission as a function of activity strength and spectral type. Stars with greater magnetic activity (as quantified by L_H\\alpha/L_bol) are found to be less variable at all spectral types. We att"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.1411","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":"1112.1411","created_at":"2026-05-18T01:59:16.150987+00:00"},{"alias_kind":"arxiv_version","alias_value":"1112.1411v1","created_at":"2026-05-18T01:59:16.150987+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.1411","created_at":"2026-05-18T01:59:16.150987+00:00"},{"alias_kind":"pith_short_12","alias_value":"BSYOBLTEL7DA","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_16","alias_value":"BSYOBLTEL7DAJIKI","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_8","alias_value":"BSYOBLTE","created_at":"2026-05-18T12:26:24.575870+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/BSYOBLTEL7DAJIKITNBIBYZNL3","json":"https://pith.science/pith/BSYOBLTEL7DAJIKITNBIBYZNL3.json","graph_json":"https://pith.science/api/pith-number/BSYOBLTEL7DAJIKITNBIBYZNL3/graph.json","events_json":"https://pith.science/api/pith-number/BSYOBLTEL7DAJIKITNBIBYZNL3/events.json","paper":"https://pith.science/paper/BSYOBLTE"},"agent_actions":{"view_html":"https://pith.science/pith/BSYOBLTEL7DAJIKITNBIBYZNL3","download_json":"https://pith.science/pith/BSYOBLTEL7DAJIKITNBIBYZNL3.json","view_paper":"https://pith.science/paper/BSYOBLTE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1112.1411&json=true","fetch_graph":"https://pith.science/api/pith-number/BSYOBLTEL7DAJIKITNBIBYZNL3/graph.json","fetch_events":"https://pith.science/api/pith-number/BSYOBLTEL7DAJIKITNBIBYZNL3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BSYOBLTEL7DAJIKITNBIBYZNL3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BSYOBLTEL7DAJIKITNBIBYZNL3/action/storage_attestation","attest_author":"https://pith.science/pith/BSYOBLTEL7DAJIKITNBIBYZNL3/action/author_attestation","sign_citation":"https://pith.science/pith/BSYOBLTEL7DAJIKITNBIBYZNL3/action/citation_signature","submit_replication":"https://pith.science/pith/BSYOBLTEL7DAJIKITNBIBYZNL3/action/replication_record"}},"created_at":"2026-05-18T01:59:16.150987+00:00","updated_at":"2026-05-18T01:59:16.150987+00:00"}