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Saito, T. Sumi, T. Yamada, V. Bozza, Y. Asakura, Y. Hirao, Y. Itow, Y. Matsubara, Y. Muraki","submitted_at":"2017-03-25T02:34:06Z","abstract_excerpt":"We report discovery of the lowest mass ratio exoplanet to be found by the microlensing method in the light curve of the event OGLE~2016--BLG--1195. This planet revealed itself as a small deviation from a microlensing single lens profile from an examination of the survey data soon after the planetary signal. The duration of the planetary signal is $\\sim 2.5\\,$hours. The measured ratio of the planet mass to its host star is $q = 4.2\\pm 0.7 \\times10^{-5}$. We further estimate that the lens system is likely to comprise a cold $\\sim$3 Earth mass planet in a $\\sim\\,$2 AU wide orbit around a 0.2 Sola"},"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":"1703.08639","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-03-25T02:34:06Z","cross_cats_sorted":[],"title_canon_sha256":"400e76ea78733fc4c6d17a1580e63fd35cc9d15ddfa4872bf49ce8a92a80efe9","abstract_canon_sha256":"abc1f119318e7fca74a9f49563f8c5e94afa1ae6f533e336593802edd55a8bdc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:06.915510Z","signature_b64":"/1MA4/TRqLerlurJRf3UFri6RxFe2F7KPnYTRF7Zcjq4Us4YpDLDx8VAOwSechmx48B1GmtMVa5JEjzNXydsBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dec828a5655bfc0d05892609b48d1352176222a25c2046e1f4765238647fb47d","last_reissued_at":"2026-05-18T00:42:06.914813Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:06.914813Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Lowest Mass Ratio Planetary Microlens: OGLE 2016-BLG-1195Lb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Bhattacharya, A. Fukui, A. Sharan, A. Udalski, A. Yonehara, C.H. Ling, C. Ranc, D.J. Sullivan, D.P. Bennett, D. Suzuki, F. Abe, I.A. Bond, I. Soszynski, J. Skowron, K. Masuda, K. Ohnishi, K. Ulaczyk, M.C.A. Li, M. Donachie, M.K. Szymanski, M. Nagakane, M. Pawlak, N.J. Rattenbury, N. Koshimoto, P. Evans, P.J. Tristram, P. Mroz, P. Pietrukowicz, R.K. Barry, R. Poleski, S. Kozlowski, To. Saito, T. Sumi, T. Yamada, V. Bozza, Y. Asakura, Y. Hirao, Y. Itow, Y. Matsubara, Y. Muraki","submitted_at":"2017-03-25T02:34:06Z","abstract_excerpt":"We report discovery of the lowest mass ratio exoplanet to be found by the microlensing method in the light curve of the event OGLE~2016--BLG--1195. This planet revealed itself as a small deviation from a microlensing single lens profile from an examination of the survey data soon after the planetary signal. The duration of the planetary signal is $\\sim 2.5\\,$hours. 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