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HD 213885b: a transiting 1-d-period super-Earth with an Earth-like composition around a bright (V = 7.9) star unveiled by TESS .

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dc.contributor.authorEspinoza, N.
dc.contributor.authorBrahm, R.
dc.contributor.authorHenning, T.
dc.contributor.authorJordán, A.
dc.contributor.authorDorn, C.
dc.contributor.authorRojas, F.
dc.contributor.authorSarkis, P.
dc.contributor.authorKossakowski, D.
dc.contributor.authorSchlecker, M.
dc.contributor.authorDíaz, M. R.
dc.contributor.authorJenkins, J. S.
dc.contributor.authorAguilera Gómez, C.
dc.contributor.authorJenkins, J. M.
dc.contributor.authorTwicken, J. D.
dc.contributor.authorCollins, K. A.
dc.contributor.authorLissauer, J. J.
dc.contributor.authorArmstrong, D. J.
dc.contributor.authorAdibekyan, V.
dc.contributor.authorBarrado, D.
dc.contributor.authorBarros, S. C. C.
dc.contributor.authorBattley, M.
dc.contributor.authorBayliss, D.
dc.contributor.authorBouchy, F.
dc.contributor.authorBryant, E. M.
dc.contributor.authorCooke, B. F.
dc.contributor.authorDemangeon, O. D. S.
dc.contributor.authorDumusque, X.
dc.contributor.authorFigueira, P.
dc.contributor.authorGiles, H.
dc.contributor.authorLillo Box, J.
dc.contributor.authorLovis, C.
dc.contributor.authorNielsen, L. D.
dc.contributor.authorPepe, F.
dc.contributor.authorPollacco, D.
dc.contributor.authorSantos, N. C.
dc.contributor.authorSousa, S. G.
dc.contributor.authorUdry, S.
dc.contributor.authorWheatley, P. J.
dc.contributor.authorTurner, O.
dc.contributor.authorMarmier, M.
dc.contributor.authorSégransan, D.
dc.contributor.authorRicker, G.
dc.contributor.authorLatham, D.
dc.contributor.authorSeager, S.
dc.contributor.authorWinn, J. N.
dc.contributor.authorKielkopf, J. F.
dc.contributor.authorHart, R.
dc.contributor.authorWingham, G.
dc.contributor.authorJensen, E. L. N.
dc.contributor.authorHelminiak, K. G.
dc.contributor.authorTokovinin, A.
dc.contributor.authorBriceño, C.
dc.contributor.authorZiegler, C.
dc.contributor.authorLaw, N. M.
dc.contributor.authorMann, A. W.
dc.contributor.authorDaylan, T.
dc.contributor.authorDoty, J. P.
dc.contributor.authorGuerrero, N.
dc.contributor.authorBoyd, P.
dc.contributor.authorCrossfield, I.
dc.contributor.authorMorris, Robert L.
dc.contributor.authorHenze, C. E.
dc.contributor.authorDean Chacon, A.
dc.contributor.funderComisión Nacional de Investigación Científica y Tecnológica (CONICYT)
dc.contributor.funderFondo Nacional de Desarrollo Científico y Tecnológico (FONDECYT)
dc.contributor.funderScience and Technology Facilities Council (STFC)
dc.contributor.funderSwiss National Science Foundation (SNSF)
dc.contributor.funderFundacao para a Ciencia e a Tecnologia (FCT)
dc.contributor.funderNational Science Centre, Poland (NCN)
dc.contributor.funderMillennium Institute of Astrophysics (MAS)
dc.contributor.orcidBarrado, D. [https://orcid.org/0000-0002-5971-9242]
dc.contributor.orcidLillo Box, J. [https://orcid.org/0000-0003-3742-1987]
dc.contributor.orcidDíaz, M. [https://orcid.org/0000-0002-2100-3257]
dc.contributor.orcidWheatley, P. [https://orcid.org/0000-0003-1452-2240]
dc.contributor.orcidNielsen, L. D. [https://orcid.org/0000-0002-5254-2499]
dc.contributor.orcidFigueira, P. [https://orcid.org/0000-0001-8504-283X]
dc.contributor.orcidJenssen, E. [https://orcid.org/0000-0002-4625-7333]
dc.contributor.orcidBarros, S. [https://orcid.org/0000-0003-2434-3625]
dc.contributor.orcidEspinoza Pérez, N. [https://orcid.org/0000-0001-9513-1449]
dc.contributor.orcidArmstrong, D. J. [https://orcid.org/0000-0002-5080-4117]
dc.contributor.orcidBayliss, D. [https://orcid.org/0000-0001-6023-1335]
dc.contributor.orcidTurner, O. [https://orcid.org/0000-0002-8216-2796]
dc.contributor.orcidSousa, S. G. [https://orcid.org/0000-0001-9047-2965]
dc.contributor.orcidKielpof, J. F. [https://orcid.org/0000-0003-0497-2651]
dc.date.accessioned2021-04-09T10:44:48Z
dc.date.available2021-04-09T10:44:48Z
dc.date.issued2020-01-15
dc.descriptionTable 1. Radial-velocity measurements obtained for TOI-141.es
dc.description.abstractWe report the discovery of the 1.008-d, ultrashort period (USP) super-EarthHD213885b (TOI141b) orbiting the bright (V= 7.9) star HD 213885 (TOI-141, TIC 403224672), detected using photometry from the recently launched TESS mission. Using FEROS, HARPS, and CORALIE radial velocities, we measure a precise mass of 8.8 +/- 0.6M. for this 1.74 +/- 0.05 R. exoplanet, which provides enough information to constrain its bulk composition - similar to Earth's but enriched in iron. The radius, mass, and stellar irradiation of HD 213885b are, given our data, very similar to 55 Cancri e, making this exoplanet a good target to perform comparative exoplanetology of short period, highly irradiated super-Earths. Our precise radial velocities reveal an additional 4.78-d signal which we interpret as arising from a second, non-transiting planet in the system, HD 213885c, whoseminimum mass of 19.9 +/- 1.4M. makes it consistent with being a Neptune-mass exoplanet. The HD 213885 system is very interesting from the perspective of future atmospheric characterization, being the second brightest star to host an USP transiting super-Earth (with the brightest star being, in fact, 55 Cancri). Prospects for characterization with present and future observatories are discussed.es
dc.description.peerreviewedPeer reviewes
dc.description.sponsorshipFunding for the TESS mission is provided by NASA's Science Mission directorate. We acknowledge the use of TESS Alert data, which is currently in a beta test phase, from pipelines at the TESS Science Office and at the TESS Science Processing Operations Center. This research has made use of the Exoplanet Follow-up Observation Program website, which is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program. Resources supporting this work were provided by the NASA High-End Computing (HEC) Program through the NASA Advanced Supercomputing (NAS) Division at Ames Research Center for the production of the SPOC data products. NE would like to thank the Gruber Foundation for its generous support to this research. RB, AJ, and FR acknowledge support from the Ministry for the Economy, Development, and Tourism's Programa Iniciativa Cientifica Milenio through grant IC120009, awarded to the Millennium Institute of Astrophysics (MAS). RB acknowledges additional support from FONDECYT Postdoctoral Fellowship Project 3180246. AJ acknowledges additional support from FONDECYT project 1171208. JSJ acknowledges support by FONDECYT grant 1161218 and partial support from CONICYT project Basal AFB-170002. CAG acknowledges support from CONICYT FONDECYT Postdoctoral Fellowship Project 3180668. DJA acknowledges support from the STFC via an Ernest Rutherford Fellowship (ST/R00384X/1). XD, HG, CL, LDN, FP, SU, OT, MM, and DS acknowledge Swiss National Science Foundation (SNSF) for the continuous support of the Swiss EULER-Telescope facility. PJW is supported by an STFC consolidated grant (ST/P000495/1). SCCB acknowledges support from FEDER -Fundo Europeu de Desenvolvimento Regional funds through the COMPETE 2020 -Operacional Programme for Competitiveness and Internationalisation (POCI), and by Portuguese funds through FCT -Fundacao para a Ciencia e a Tecnologia in the framework of the project POCI-01-0145-FEDER-028953 and the Investigador FCT contract IF/01312/2014/CP1215/CT0004. NSC acknowledges the support by FCT -Fundacao para a Ciencia e a Tecnologia through national funds and by FEDER through COMPETE2020 -Programa Operacional Competitividade e Internacionalizacao by these grants: UID/FIS/04434/2013 and POCI-01-0145-FEDER007672; PTDC/FIS-AST/28953/2017 and POCI-01-0145-FEDER028953; and PTDC/FIS-AST/32113/2017 and POCI-01-0145FEDER-032113. VA acknowledges support from FCT through Investigador FCT contract IF/00650/2015/CP1273/CT0001. Work by JNW was supported by Heising-Simons foundation. TD acknowledges support from MIT's Kavli Institute as a Kavli postdoctoral fellow. This work was made possible thanks to ESO Projects 0101.C-0510(C) (PI: A. Jordan), 1102.C-0249(A) (PI: D. Armstrong), 0102.C-0525(A) (PI: M Diaz) and 0102.A-9006(A) (PI: P. Sarkis). CD acknowledges the support of the Swiss National Foundation under grant PZ00P2 174028, and that this work was in part carried out within the frame of the National Center for Competence in Research PlanetS. KGH is supported by the Polish National Science Center through grant no. 2016/21/B/ST9/01613.es
dc.identifier.citationMonthly Notices of the Royal Astronomical Society 491(2): 2982–2999(2020)es
dc.identifier.doi10.1093/mnras/stz3150
dc.identifier.e-issn1365-2966
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004281
dc.identifier.funderhttp://dx.doi.org/10.13039/501100002848
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000271
dc.identifier.funderhttp://dx.doi.org/10.13039/501100001871
dc.identifier.funderhttp://dx.doi.org/10.13039/501100001711
dc.identifier.funderhttp://dx.doi.org/10.13039/501100002850
dc.identifier.issn0035-8711
dc.identifier.otherhttps://academic.oup.com/mnras/article/491/2/2982/5632119
dc.identifier.urihttp://hdl.handle.net/20.500.12666/201
dc.language.isoenges
dc.publisherOxford Academics: Blackwell Publishinges
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationales
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.licenseCopyright © 2019, Oxford University Press
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectTechniques: photometrices
dc.subjectTechniques: radial velocitieses
dc.subjectPlanets and satellites: detectiones
dc.subjectPlanets and satellites: dunfamental parameterses
dc.subjectPlanets and satellites: individuales
dc.subjectTOI-141es
dc.subjectTIC 403224672es
dc.subjectHD213885es
dc.titleHD 213885b: a transiting 1-d-period super-Earth with an Earth-like composition around a bright (V = 7.9) star unveiled by TESS .es
dc.typeinfo:eu-repo/semantics/articlees
dc.type.coarhttp://purl.org/coar/resource_type/c_6501
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication

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