{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T19:37:10Z","timestamp":1777059430728,"version":"3.51.4"},"reference-count":45,"publisher":"Oxford University Press (OUP)","issue":"1","funder":[{"DOI":"10.13039\/501100001871","name":"FCT","doi-asserted-by":"publisher","award":["SFRH\/BPD\/80619\/2011"],"award-info":[{"award-number":["SFRH\/BPD\/80619\/2011"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"FCT","doi-asserted-by":"publisher","award":["UID\/FIS\/04434\/2013"],"award-info":[{"award-number":["UID\/FIS\/04434\/2013"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2017,10,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The work reported here demonstrates that it is possible to accurately determine surface gravities of \u03b4\u2009Scuti (\u03b4\u2009Sct) stars using the frequency content from high-precision photometry and a measurement of the parallax. Using a sample of 10 eclipsing binary systems with a \u03b4 Sct component and the unique \u03b4 Sct star discovered with a transiting planet, WASP-33, we were able to refine the \u0394\u03bd\u2013$\\bar{\\rho }$ relation. Using this relation and parallaxes, we obtained independent values for the masses and radii, allowing us to calculate the surface gravities without any constraints from spectroscopic or binary analysis. A remarkably good agreement was found between our results and those published, extracted from the analysis of the radial velocities and light curves of the systems. This reinforces the potential of \u0394\u03bd as a valuable observable for \u03b4 Sct stars and settles the degeneracy problem for the log\u2009g determination through spectroscopy.<\/jats:p>","DOI":"10.1093\/mnrasl\/slx117","type":"journal-article","created":{"date-parts":[[2017,7,21]],"date-time":"2017-07-21T19:22:04Z","timestamp":1500664924000},"page":"L140-L144","source":"Crossref","is-referenced-by-count":39,"title":["Precise surface gravities of \u03b4 Scuti stars from asteroseismology"],"prefix":"10.1093","volume":"471","author":[{"given":"A.","family":"Garc\u00eda Hern\u00e1ndez","sequence":"first","affiliation":[{"name":"1Department of Theoretical Physics and Cosmology, University of Granada (UGR), E-18071 Granada, Spain"},{"name":"2Instituto de Astrof\u00edsica e Ci\u00eancias do Espa\u00e7o, Universidade do Porto, CAUP, Rua das Estrelas, P-4150-762 Porto, Portugal"}]},{"given":"J. C.","family":"Su\u00e1rez","sequence":"additional","affiliation":[{"name":"1Department of Theoretical Physics and Cosmology, University of Granada (UGR), E-18071 Granada, Spain"},{"name":"3Instituto de Astrof\u00edsica de Andaluc\u00eda (CSIC), Glorieta de la Astronom\u00eda S\/N, E-18008 Granada, Spain"}]},{"given":"A.","family":"Moya","sequence":"additional","affiliation":[{"name":"1Department of Theoretical Physics and Cosmology, University of Granada (UGR), E-18071 Granada, Spain"}]},{"given":"M. J. P. F. G.","family":"Monteiro","sequence":"additional","affiliation":[{"name":"2Instituto de Astrof\u00edsica e Ci\u00eancias do Espa\u00e7o, Universidade do Porto, CAUP, Rua das Estrelas, P-4150-762 Porto, Portugal"},{"name":"4Departamento de F\u00edsica e Astronomia, Faculdade de Ci\u00eancias da Universidade do Porto, Rua do Campo Alegre, P-4169-007 Porto, Portugal"}]},{"given":"Z.","family":"Guo","sequence":"additional","affiliation":[{"name":"5Copernicus Astronomical Center, PAN, Bartycka 18, PL-00-716 Warsaw, Poland"},{"name":"6Center for High Angular Resolution Astronomy, Department of Physics and Astronomy, Georgia State University, PO Box 5060, Atlanta, GA 30302-5060, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4854-7550","authenticated-orcid":false,"given":"D. R.","family":"Reese","sequence":"additional","affiliation":[{"name":"7LESIA, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universit\u00e9s, UPMC Univ. Paris 06, Univ. 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