{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:JMPK5O4TPO4KEYMR6OEGS5WB7X","short_pith_number":"pith:JMPK5O4T","schema_version":"1.0","canonical_sha256":"4b1eaebb937bb8a26191f3886976c1fdcf0acd69cd446ae28023605697b580a1","source":{"kind":"arxiv","id":"1905.12557","version":1},"attestation_state":"computed","paper":{"title":"Variable Stars in Young Open Cluster NGC 2244","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Gabriela Michalska","submitted_at":"2019-05-29T16:10:25Z","abstract_excerpt":"We present results of a UBVIc variability survey in the young open cluster NGC 2244. In total, we found 245 variable stars. Most of them, 211 stars, are variables with irregular variations. Furthermore, 23 periodic variables were found. We also detected four candidates for delta Scuti stars and 7 eclipsing binaries. Based on the mid-infrared Spitzer and WISE photometry and near infrared JHKs 2MASS photometry we classified 104 young stellar sources among our variables: 1 Class I object, 1 Class I/flat spectrum object, 4 flat spectrum objects, 91 Class II objects and 7 transition disk objects. T"},"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":"1905.12557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-05-29T16:10:25Z","cross_cats_sorted":[],"title_canon_sha256":"7e34633a2fbad6e7ddbbfdcd9295a63b13b4f27c06a474e3747e057996211cc8","abstract_canon_sha256":"59fc48e6b075d6bb3829a2287e60de20d8e095c5b0967fbad5bb1e66c3d1e0a2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:34.095696Z","signature_b64":"7v/6futdEp5fAaubY8MLDhPnCvKh7C9Wwq/wKiUcIUhwsa+wIbmIvynBhr4qKVDr05fsOoZhR9vMhMydLolmBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b1eaebb937bb8a26191f3886976c1fdcf0acd69cd446ae28023605697b580a1","last_reissued_at":"2026-05-17T23:43:34.095146Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:34.095146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Variable Stars in Young Open Cluster NGC 2244","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Gabriela Michalska","submitted_at":"2019-05-29T16:10:25Z","abstract_excerpt":"We present results of a UBVIc variability survey in the young open cluster NGC 2244. In total, we found 245 variable stars. Most of them, 211 stars, are variables with irregular variations. Furthermore, 23 periodic variables were found. We also detected four candidates for delta Scuti stars and 7 eclipsing binaries. Based on the mid-infrared Spitzer and WISE photometry and near infrared JHKs 2MASS photometry we classified 104 young stellar sources among our variables: 1 Class I object, 1 Class I/flat spectrum object, 4 flat spectrum objects, 91 Class II objects and 7 transition disk objects. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.12557","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":"1905.12557","created_at":"2026-05-17T23:43:34.095232+00:00"},{"alias_kind":"arxiv_version","alias_value":"1905.12557v1","created_at":"2026-05-17T23:43:34.095232+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.12557","created_at":"2026-05-17T23:43:34.095232+00:00"},{"alias_kind":"pith_short_12","alias_value":"JMPK5O4TPO4K","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_16","alias_value":"JMPK5O4TPO4KEYMR","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_8","alias_value":"JMPK5O4T","created_at":"2026-05-18T12:33:21.387695+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/JMPK5O4TPO4KEYMR6OEGS5WB7X","json":"https://pith.science/pith/JMPK5O4TPO4KEYMR6OEGS5WB7X.json","graph_json":"https://pith.science/api/pith-number/JMPK5O4TPO4KEYMR6OEGS5WB7X/graph.json","events_json":"https://pith.science/api/pith-number/JMPK5O4TPO4KEYMR6OEGS5WB7X/events.json","paper":"https://pith.science/paper/JMPK5O4T"},"agent_actions":{"view_html":"https://pith.science/pith/JMPK5O4TPO4KEYMR6OEGS5WB7X","download_json":"https://pith.science/pith/JMPK5O4TPO4KEYMR6OEGS5WB7X.json","view_paper":"https://pith.science/paper/JMPK5O4T","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1905.12557&json=true","fetch_graph":"https://pith.science/api/pith-number/JMPK5O4TPO4KEYMR6OEGS5WB7X/graph.json","fetch_events":"https://pith.science/api/pith-number/JMPK5O4TPO4KEYMR6OEGS5WB7X/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JMPK5O4TPO4KEYMR6OEGS5WB7X/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JMPK5O4TPO4KEYMR6OEGS5WB7X/action/storage_attestation","attest_author":"https://pith.science/pith/JMPK5O4TPO4KEYMR6OEGS5WB7X/action/author_attestation","sign_citation":"https://pith.science/pith/JMPK5O4TPO4KEYMR6OEGS5WB7X/action/citation_signature","submit_replication":"https://pith.science/pith/JMPK5O4TPO4KEYMR6OEGS5WB7X/action/replication_record"}},"created_at":"2026-05-17T23:43:34.095232+00:00","updated_at":"2026-05-17T23:43:34.095232+00:00"}