{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,19]],"date-time":"2025-11-19T16:54:26Z","timestamp":1763571266313,"version":"3.37.3"},"reference-count":46,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2023,2,28]],"date-time":"2023-02-28T00:00:00Z","timestamp":1677542400000},"content-version":"vor","delay-in-days":1,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100010661","name":"Horizon 2020","doi-asserted-by":"publisher","award":["803193\/BEBOP"],"award-info":[{"award-number":["803193\/BEBOP"]}],"id":[{"id":"10.13039\/100010661","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000271","name":"Science and Technology Facilities Council","doi-asserted-by":"publisher","award":["ST\/T000295\/1"],"award-info":[{"award-number":["ST\/T000295\/1"]}],"id":[{"id":"10.13039\/501100000271","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,3,14]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n               <jats:p>Apsidal precession in stellar binaries is the main non-Keplerian dynamical effect impacting the radial-velocities of a binary star system. Its presence can notably hide the presence of orbiting circumbinary planets because many fitting algorithms assume perfectly Keplerian motion. To first order, apsidal precession ($\\dot{\\omega }$) can be accounted for by adding a linear term to the usual Keplerian model. We include apsidal precession in the kima package, an orbital fitter designed to detect and characterize planets from radial velocity data. In this paper, we detail this and other additions to kima that improve fitting for stellar binaries and circumbinary planets including corrections from general relativity. We then demonstrate that fitting for $\\dot{\\omega }$ can improve the detection sensitivity to circumbinary exoplanets by up to an order of magnitude in some circumstances, particularly in the case of multiplanetary systems. In addition, we apply the algorithm to several real systems, producing a new measurement of aspidal precession in KOI-126 (a tight triple system), and a detection of $\\dot{\\omega }$ in the Kepler-16 circumbinary system. Although apsidal precession is detected for Kepler-16, it does not have a large effect on the detection limit or the planetary parameters. We also derive an expression for the precession an outer planet would induce on the inner binary and compare the value this predicts with the one we detect.<\/jats:p>","DOI":"10.1093\/mnras\/stad607","type":"journal-article","created":{"date-parts":[[2023,2,25]],"date-time":"2023-02-25T06:28:31Z","timestamp":1677306511000},"page":"1871-1879","source":"Crossref","is-referenced-by-count":15,"title":["Improving circumbinary planet detections by fitting their binary\u2019s apsidal precession"],"prefix":"10.1093","volume":"521","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3300-3449","authenticated-orcid":false,"given":"Thomas A","family":"Baycroft","sequence":"first","affiliation":[{"name":"School of Physics and Astronomy, University of Birmingham , Edgbaston, Birmingham B15 2TT , UK"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5510-8751","authenticated-orcid":false,"given":"Amaury H M J","family":"Triaud","sequence":"additional","affiliation":[{"name":"School of Physics and Astronomy, University of Birmingham , Edgbaston, Birmingham B15 2TT , UK"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6728-244X","authenticated-orcid":false,"given":"Jo\u00e3o","family":"Faria","sequence":"additional","affiliation":[{"name":"Instituto de Astrof\u00edsica e Ci\u00eancias do Espa\u00e7o, Universidade do Porto, CAUP , Rua das Estrelas, 4150-762 Porto , Portugal"},{"name":"Departamento de F\u00edsica e Astronomia, Faculdade de Ci\u00eancias, Universidade do Porto , Rua do Campo Alegre, 4169-007 Porto , Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8946-8579","authenticated-orcid":false,"given":"Alexandre C M","family":"Correia","sequence":"additional","affiliation":[{"name":"CFisUC, Departamento de F\u00edsica, Universidade de Coimbra , 3004-516 Coimbra , Portugal"},{"name":"IMCCE, UMR8028 CNRS, Observatoire de Paris, PSL Universit\u00e9 , 77 avenue Denfert-Rochereau, 75014 Paris , France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7608-8905","authenticated-orcid":false,"given":"Matthew R","family":"Standing","sequence":"additional","affiliation":[{"name":"School of Physical Sciences, The Open University , Milton Keynes, MK7 6AA , UK"}]}],"member":"286","published-online":{"date-parts":[[2023,2,27]]},"reference":[{"key":"2023031415291083700_","doi-asserted-by":"publisher","first-page":"227","DOI":"10.3847\/1538-3881\/ac6094","volume":"163","author":"Angelo","year":"2022","journal-title":"AJ"},{"key":"2023031415291083700_","doi-asserted-by":"publisher","first-page":"1761","DOI":"10.1111\/j.1365-2966.2012.20756.x","volume":"422","author":"Arras","year":"2012","journal-title":"MNRAS"},{"key":"2023031415291083700_","doi-asserted-by":"publisher","first-page":"109","DOI":"10.1051\/0004-6361\/201014704","volume":"549","author":"Bonfils","year":"2013","journal-title":"A&A"},{"key":"2023031415291083700_","doi-asserted-by":"publisher","first-page":"1352","DOI":"10.1093\/mnras\/stab3397","volume":"510","author":"Borkovits","year":"2021","journal-title":"MNRAS"},{"key":"2023031415291083700_","doi-asserted-by":"publisher","first-page":"977","DOI":"10.1126\/science.1185402","volume":"327","author":"Borucki","year":"2010","journal-title":"Science"},{"key":"2023031415291083700_","doi-asserted-by":"publisher","first-page":"649","DOI":"10.1007\/s11222-010-9198-8","volume":"21","author":"Brewer","year":"2011","journal-title":"Stat. 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