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However, despite the fact that $\\gt 90~\\% $ of binary systems in the solar neighbourhood are spectrally resolved double-lined binaries, there has been only one detection of a circumbinary planet orbiting a double-lined binary using the radial velocity method so far. Spectrally disentangling binary components is challenging due to blending of spectral lines and inaccuracies in spectral modelling. These inaccuracies add scatter to the measurements, which can hide the weak radial velocity signature of circumbinary exoplanets. We have obtained new high signal-to-noise, high-resolution spectra with the SOPHIE spectrograph, mounted on the 193\u2009cm telescope at Observatoire de Haute-Provence (OHP), for six bright, double-lined binaries for which circumbinary exoplanet detection has been attempted in the past. To extract radial velocities, we use the DOLBY code, a recent method of spectral disentangling using Gaussian processes to model the time-varying components. We analyse the resulting radial velocities with a diffusive nested sampler to seek planets, and compute sensitivity limits. We do not detect any new circumbinary planet. However, we show that the combination of new data, new radial velocity extraction methods, and improved statistical methods to determine a data set\u2019s sensitivity to planets leads to an approximately one order of magnitude improvement compared to previous results. This improvement brings us into the range of known circumbinary exoplanets and paves the way for future observation campaigns targeting double-lined binaries.<\/jats:p>","DOI":"10.1093\/mnras\/stae2317","type":"journal-article","created":{"date-parts":[[2024,10,11]],"date-time":"2024-10-11T03:47:11Z","timestamp":1728618431000},"page":"3999-4017","source":"Crossref","is-referenced-by-count":4,"title":["BEBOP VI. Enabling the detection of circumbinary planets orbiting double-lined binaries with the <tt>DOLBY<\/tt> method of radial\u2013velocity extraction"],"prefix":"10.1093","volume":"534","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8102-3033","authenticated-orcid":false,"given":"Lalitha","family":"Sairam","sequence":"first","affiliation":[{"name":"Institute of Astronomy, University of Cambridge , Madingley road, Cambridge CB3 0HA ,","place":["UK"]},{"name":"School of Physics and Astronomy, University of Birmingham , Edgbaston, Birmingham B15 2TT ,","place":["UK"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3300-3449","authenticated-orcid":false,"given":"Thomas A","family":"Baycroft","sequence":"additional","affiliation":[{"name":"School of Physics and Astronomy, University of Birmingham , Edgbaston, Birmingham B15 2TT ,","place":["UK"]}]},{"given":"Isabelle","family":"Boisse","sequence":"additional","affiliation":[{"name":"Aix Marseille Univ , CNRS, CNES, LAM, 13007 Marseille ,","place":["France"]}]},{"given":"Neda","family":"Heidari","sequence":"additional","affiliation":[{"name":"Institut d\u2019astrophysique de Paris , UMR 7095 CNRS universit\u00e9 pierre et marie curie, 98 bis, boulevard Arago, F-75014 Paris ,","place":["France"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3586-1316","authenticated-orcid":false,"given":"Alexandre","family":"Santerne","sequence":"additional","affiliation":[{"name":"Aix Marseille Univ , CNRS, CNES, LAM, 13007 Marseille ,","place":["France"]}]},{"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 ,","place":["UK"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5111-8963","authenticated-orcid":false,"given":"Gavin A L","family":"Coleman","sequence":"additional","affiliation":[{"name":"Astronomy Unit, Queen Mary University of London , Mile End Road, London E1 4NS ,","place":["UK"]}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-6625-137X","authenticated-orcid":false,"given":"Yasmin T","family":"Davis","sequence":"additional","affiliation":[{"name":"School of Physics and Astronomy, University of Birmingham , Edgbaston, Birmingham B15 2TT ,","place":["UK"]}]},{"given":"Magali","family":"Deleuil","sequence":"additional","affiliation":[{"name":"Aix Marseille Univ , CNRS, CNES, LAM, 13007 Marseille ,","place":["France"]}]},{"given":"Guillaume","family":"H\u00e9brard","sequence":"additional","affiliation":[{"name":"Institut d\u2019astrophysique de Paris , UMR 7095 CNRS universit\u00e9 pierre et marie curie, 98 bis, boulevard Arago, F-75014 Paris ,","place":["France"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7595-6360","authenticated-orcid":false,"given":"David V","family":"Martin","sequence":"additional","affiliation":[{"name":"Department of Physics and Astronomy, Tufts University , 574 Boston Avenue, Medford, MA 02155 ,","place":["USA"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3794-1317","authenticated-orcid":false,"given":"Pierre F L","family":"Maxted","sequence":"additional","affiliation":[{"name":"Astrophysics Group, Keele University , Keele, Newcastle ST5 5BG ,","place":["UK"]}]},{"given":"Richard P","family":"Nelson","sequence":"additional","affiliation":[{"name":"Astronomy Unit, Queen Mary University of London , Mile End Road, London E1 4NS ,","place":["UK"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2214-9258","authenticated-orcid":false,"given":"Daniel","family":"Sebastian","sequence":"additional","affiliation":[{"name":"School of Physics and Astronomy, University of Birmingham , Edgbaston, Birmingham B15 2TT ,","place":["UK"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7603-3525","authenticated-orcid":false,"given":"Owen J","family":"Scutt","sequence":"additional","affiliation":[{"name":"School of Physics and Astronomy, University of Birmingham , Edgbaston, Birmingham B15 2TT ,","place":["UK"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7608-8905","authenticated-orcid":false,"given":"Matthew R","family":"Standing","sequence":"additional","affiliation":[{"name":"European Space Agency (ESA), European Space Astronomy Centre (ESAC) , Madrid 28692 ,","place":["Spain"]}]}],"member":"286","published-online":{"date-parts":[[2024,10,10]]},"reference":[{"key":"2024102416274076500_bib1","doi-asserted-by":"publisher","first-page":"373","DOI":"10.1051\/aas:1996251","volume":"119","author":"Baranne","year":"1996","journal-title":"Astron. 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