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(2010), we determined the absolute parameters of each component to be $M_1$ = 0.442$\\pm$0.012 M$_\\odot$, $M_2$ = 0.124$\\pm$0.005 M$_\\odot$, $R_1$ = 0.172$\\pm$0.002 R$_\\odot$, $R_2$ = 0.157$\\pm$0.002 R$_\\odot$, $L_1$ = 19.4$\\pm$1.4 L$_\\odot$, and $L_2$ = 0.002$\\pm$0.002 L$_\\odot$. These indicate that 2M 1533+3759 is a detached system consisting of a normal sdB primary and an M7 dwarf companio"},"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":"1703.07472","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-03-21T23:55:40Z","cross_cats_sorted":[],"title_canon_sha256":"f578d63257619622aa7116b8dd47b2348604667ccb440b3779cd0c2ee81f259b","abstract_canon_sha256":"d4c7f16af0c07690c64fb518f31b3b1bb98c0292d661892734a09d63efb28216"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:12.170163Z","signature_b64":"DS+TApQLLMFjbCu3BqOXNHS0ctLbmDZ6KTXNdfeJEdzomQUtZq+HBLigTPC/2A7isQtzJrM+Ygmh0JFF5Mp+BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e35543d6ff10df14d87a33c1a1a2012408da87ab48f67fafcf337b8945f8e005","last_reissued_at":"2026-05-18T00:46:12.169451Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:12.169451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Long-term CCD Photometry and Physical Properties of the sdB+M Eclipsing System 2M 1533+3759","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Jae-Hyuck Youn, Jae Woo Lee, Kyeongsoo Hong, Wonyong Han","submitted_at":"2017-03-21T23:55:40Z","abstract_excerpt":"New CCD photometry of seven successive years from 2010 is presented for the HW Vir-type eclipsing binary 2M 1533+3759. Using the $VI$ light curves together with the radial-velocity data given by For et al. (2010), we determined the absolute parameters of each component to be $M_1$ = 0.442$\\pm$0.012 M$_\\odot$, $M_2$ = 0.124$\\pm$0.005 M$_\\odot$, $R_1$ = 0.172$\\pm$0.002 R$_\\odot$, $R_2$ = 0.157$\\pm$0.002 R$_\\odot$, $L_1$ = 19.4$\\pm$1.4 L$_\\odot$, and $L_2$ = 0.002$\\pm$0.002 L$_\\odot$. 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