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Building on these results we study the PL and PR relations.\n  Using existing pulsation models for RR Lyrae and classical Cepheids we derive the period-luminosity-mass-temperature-metallicity relations, and then estimate the pulsation mass.\n  Results: The P"},"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":"1705.04487","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-05-12T09:48:07Z","cross_cats_sorted":[],"title_canon_sha256":"3126bbee2db19b16fdcb6e76b8a845cd9db92e4efe5b653688031ee735dd1219","abstract_canon_sha256":"851c8030f7a682b2f7e65708aa089048f38be8a12117334d3650fe328d1c21cb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:52.755936Z","signature_b64":"/uvvgiYgW5NIQCUO4x8R7PKk5kp7qw8vKhK5PXviBXlJKtU/KB/pN/LwxbddLgidkS535Qnkbr/mtZs1BbekCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6898985d672658610a26167f6b88c4feded307fa288bda404c042e37f850286e","last_reissued_at":"2026-05-18T00:38:52.755193Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:52.755193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The period-luminosity and period-radius relations of Type II and anomalous Cepheids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Martin A.T. 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