TOI-222: a single-transit TESS candidate revealed to be a 34-d eclipsing binary with CORALIE, EulerCam, and NGTS

dc.contributor.authorLendl, M.
dc.contributor.authorBouchy, F.
dc.contributor.authorGill, S.
dc.contributor.authorNielsen, L. D.
dc.contributor.authorTurner, O.
dc.contributor.authorStassun, K.
dc.contributor.authorActon, J. S.
dc.contributor.authorAnderson, D. R.
dc.contributor.authorArmstrong, D. J.
dc.contributor.authorBayliss, D.
dc.contributor.authorBelardi, C.
dc.contributor.authorBryant, E. M.
dc.contributor.authorBurleigh, M. R.
dc.contributor.authorChaushev, A.
dc.contributor.authorCasewell, S. L.
dc.contributor.authorCooke, B. F.
dc.contributor.authorEigmüller, P.
dc.contributor.authorGillen, E.
dc.contributor.authorGoad, M. R.
dc.contributor.authorGunther, M. N.
dc.contributor.authorHagelberg, J.
dc.contributor.authorJenkins, J. S.
dc.contributor.authorLouden, T.
dc.contributor.authorMarmier, M.
dc.contributor.authorMcCormac, J.
dc.contributor.authorMoyano, M.
dc.contributor.authorPollacco, D.
dc.contributor.authorRaynard, L.
dc.contributor.authorTilbrook, R. H.
dc.contributor.authorUdry, S.
dc.contributor.authorVines, J. I.
dc.contributor.authorWest, R. G.
dc.contributor.authorWheatley, P. J.
dc.contributor.authorRicker, G.
dc.contributor.authorVanderspek, R.
dc.contributor.authorLatham, D. W.
dc.contributor.authorSeager, S.
dc.contributor.authorWinn, J.
dc.contributor.authorJenkins, J. M.
dc.contributor.authorAddison, B.
dc.contributor.authorBriceño, C.
dc.contributor.authorBrahm, R.
dc.contributor.authorCaldwell, D. A.
dc.contributor.authorDoty, J.
dc.contributor.authorEspinoza, N.
dc.contributor.authorGoeke, B.
dc.contributor.authorHenning, T.
dc.contributor.authorJordán, A.
dc.contributor.authorKrishnamurthy, A.
dc.contributor.authorLaw, N.
dc.contributor.authorMorris, R.
dc.contributor.authorOkumura, J.
dc.contributor.authorMann, A. W.
dc.contributor.authorRodriguez, J. E.
dc.contributor.authorSarkis, P.
dc.contributor.authorSchlieder, J.
dc.contributor.authorTwicken, J. D.
dc.contributor.authorVillanueva, S.
dc.contributor.authorWittenmyer, R. A.
dc.contributor.authorWright, D. J.
dc.contributor.authorZiegle, C.
dc.date.accessioned2022-05-24T14:48:09Z
dc.date.available2022-05-24T14:48:09Z
dc.date.issued2019
dc.description.abstractWe report the period, eccentricity, and mass determination for the Transiting Exoplanet Survey Satellite (TESS) single-transit event candidate TOI-222, which displayed a single 3000 ppm transit in the TESS 2-min cadence data from Sector 2. We determine the orbital period via radial velocity measurements (P = 33.9 d), which allowed for ground-based photometric detection of two subsequent transits. Our data show that the companion to TOI-222 is a low-mass star, with a radius of $0.18_{-0.10}^{+0.39}$ R⊙ and a mass of 0.23 ± 0.01 M⊙. This discovery showcases the ability to efficiently discover long-period systems from TESS single-transit events using a combination of radial velocity monitoring coupled with high-precision ground-based photometry.
dc.fechaingreso.objetodigital2025-03-13
dc.format.extent1769 páginas
dc.fuente.origenOUP
dc.identifier.doi10.1093/mnras/stz3545
dc.identifier.eissn1365-2966
dc.identifier.issn0035-8711
dc.identifier.urihttps://doi.org/10.1093/mnras/stz3545
dc.identifier.urihttps://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=9114000
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/64268
dc.identifier.wosidWOS:000512297600016
dc.information.autorucInstituto de física ; Brahm Scott, Rafael ; S/I ; 162088
dc.issue.numero1
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final1769
dc.pagina.inicio1761
dc.revistaMonthly Notices of the Royal Astronomical Society
dc.rightsacceso restringido
dc.subjectTechniques: photometric
dc.subjectStars: individual :TOI-222
dc.subjectPlanetary systems
dc.subject.deweyAstronomía
dc.subject.ods13 Climate action
dc.subject.odspa13 Acción por el clima
dc.subject.otherEstrellas binarias eclipsantes
dc.subject.otherPlanetas - Orbitas
dc.subject.otherPlanetas extrasolares
dc.titleTOI-222: a single-transit TESS candidate revealed to be a 34-d eclipsing binary with CORALIE, EulerCam, and NGTSes_ES
dc.typeartículo
dc.volumen492
sipa.codpersvinculados162088
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