Ilaria Carleo, Silvano Desidera, Alessandro Sozzetti, Serena Benatti, Riccardo Claudi, Mario Damasso, Matteo Pinamonti and Alessandro Ruggeri
{"title":"Disproving the High-eccentricity Planet HD 220773b","authors":"Ilaria Carleo, Silvano Desidera, Alessandro Sozzetti, Serena Benatti, Riccardo Claudi, Mario Damasso, Matteo Pinamonti and Alessandro Ruggeri","doi":"10.3847/2515-5172/ad57b5","DOIUrl":null,"url":null,"abstract":"HD 220773 has been announced to host a giant planet in an eccentric orbit. Global Architecture of Planetary Systems collaboration followed this target up with the HARPS-N spectrograph at Telescopio Nazionale Galileo, in order to search for additional small planets in the system. This radial velocity monitoring produced approximately 130 HARPS-N data points, leading to the refutation of the announced planet.","PeriodicalId":74684,"journal":{"name":"Research notes of the AAS","volume":"20 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Research notes of the AAS","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3847/2515-5172/ad57b5","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
HD 220773 has been announced to host a giant planet in an eccentric orbit. Global Architecture of Planetary Systems collaboration followed this target up with the HARPS-N spectrograph at Telescopio Nazionale Galileo, in order to search for additional small planets in the system. This radial velocity monitoring produced approximately 130 HARPS-N data points, leading to the refutation of the announced planet.
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