TESS Asteroseismic Analysis of the Known Exoplanet Host Star HD 222076
The Transiting Exoplanet Survey Satellite (TESS) is an all-sky survey mission aiming to search for exoplanets that transit bright stars. The high-quality photometric data of TESS are excellent for the asteroseismic study of solar-like stars. In this work, we present an asteroseismic analysis of the...
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| creator | Chen, Jiang Bedding, Timothy R Stassun, Keivan G Veras, Dimitri Corsaro, Enrico Buzasi, Derek L Mikołajczyk, Przemysław Qian-sheng Zhang Jian-wen Ou Campante, Tiago L Rodrigues, Thaíse S Benard Nsamba Bossini, Diego Kane, Stephen R Jia Mian Joel Ong Mutlu Yıldız Zeynep Çe\ iik Orhan S\ ibel Örtel Wu, Tao Zhang, Xinyi Tanda, Li Basu, Sarbani Cunha, Margarida S Christensen-Dalsgaard, Jørgen Chaplin, William J |
| description | The Transiting Exoplanet Survey Satellite (TESS) is an all-sky survey mission aiming to search for exoplanets that transit bright stars. The high-quality photometric data of TESS are excellent for the asteroseismic study of solar-like stars. In this work, we present an asteroseismic analysis of the red-giant star HD~222076 hosting a long-period (2.4 yr) giant planet discovered through radial velocities. Solar-like oscillations of HD~222076 are detected around \(203 \, \mu\)Hz by TESS for the first time. Asteroseismic modeling, using global asteroseismic parameters as input, yields a determination of the stellar mass (\(M_\star = 1.12 \pm 0.12\, M_\odot\)), radius (\(R_\star = 4.34 \pm 0.21\,R_\odot\)), and age (\(7.4 \pm 2.7\,\)Gyr), with precisions greatly improved from previous studies. The period spacing of the dipolar mixed modes extracted from the observed power spectrum reveals that the star is on the red-giant branch burning hydrogen in a shell surrounding the core. We find that the planet will not escape the tidal pull of the star and be engulfed into it within about \(800\,\)Myr, before the tip of the red-giant branch is reached. |
| doi_str_mv | 10.48550/arxiv.2005.00272 |
| format | Article |
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The high-quality photometric data of TESS are excellent for the asteroseismic study of solar-like stars. In this work, we present an asteroseismic analysis of the red-giant star HD~222076 hosting a long-period (2.4 yr) giant planet discovered through radial velocities. Solar-like oscillations of HD~222076 are detected around \(203 \, \mu\)Hz by TESS for the first time. Asteroseismic modeling, using global asteroseismic parameters as input, yields a determination of the stellar mass (\(M_\star = 1.12 \pm 0.12\, M_\odot\)), radius (\(R_\star = 4.34 \pm 0.21\,R_\odot\)), and age (\(7.4 \pm 2.7\,\)Gyr), with precisions greatly improved from previous studies. The period spacing of the dipolar mixed modes extracted from the observed power spectrum reveals that the star is on the red-giant branch burning hydrogen in a shell surrounding the core. We find that the planet will not escape the tidal pull of the star and be engulfed into it within about \(800\,\)Myr, before the tip of the red-giant branch is reached.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.2005.00272</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Extrasolar planets ; Physics - Earth and Planetary Astrophysics ; Physics - Solar and Stellar Astrophysics ; Planet detection ; Red giant stars ; Sky surveys (astronomy) ; Stellar age ; Stellar mass ; Stellar seismology ; Transit</subject><ispartof>arXiv.org, 2020-05</ispartof><rights>2020. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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The high-quality photometric data of TESS are excellent for the asteroseismic study of solar-like stars. In this work, we present an asteroseismic analysis of the red-giant star HD~222076 hosting a long-period (2.4 yr) giant planet discovered through radial velocities. Solar-like oscillations of HD~222076 are detected around \(203 \, \mu\)Hz by TESS for the first time. Asteroseismic modeling, using global asteroseismic parameters as input, yields a determination of the stellar mass (\(M_\star = 1.12 \pm 0.12\, M_\odot\)), radius (\(R_\star = 4.34 \pm 0.21\,R_\odot\)), and age (\(7.4 \pm 2.7\,\)Gyr), with precisions greatly improved from previous studies. The period spacing of the dipolar mixed modes extracted from the observed power spectrum reveals that the star is on the red-giant branch burning hydrogen in a shell surrounding the core. 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Bedding, Timothy R ; Stassun, Keivan G ; Veras, Dimitri ; Corsaro, Enrico ; Buzasi, Derek L ; Mikołajczyk, Przemysław ; Qian-sheng ; Zhang ; Jian-wen ; Ou ; Campante, Tiago L ; Rodrigues, Thaíse S ; Benard Nsamba ; Bossini, Diego ; Kane, Stephen R ; Jia Mian Joel Ong ; Mutlu Yıldız ; Zeynep Çe\ iik Orhan ; S\ ibel Örtel ; Wu, Tao ; Zhang, Xinyi ; Tanda, Li ; Basu, Sarbani ; Cunha, Margarida S ; Christensen-Dalsgaard, Jørgen ; Chaplin, William J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a529-e37d9063d1414475aeebf2497952ded9722eff4d2a92bfe1a0090f6005701fd93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Extrasolar planets</topic><topic>Physics - Earth and Planetary Astrophysics</topic><topic>Physics - Solar and Stellar Astrophysics</topic><topic>Planet detection</topic><topic>Red giant stars</topic><topic>Sky surveys (astronomy)</topic><topic>Stellar age</topic><topic>Stellar mass</topic><topic>Stellar seismology</topic><topic>Transit</topic><toplevel>online_resources</toplevel><creatorcontrib>Chen, Jiang</creatorcontrib><creatorcontrib>Bedding, Timothy R</creatorcontrib><creatorcontrib>Stassun, Keivan G</creatorcontrib><creatorcontrib>Veras, Dimitri</creatorcontrib><creatorcontrib>Corsaro, Enrico</creatorcontrib><creatorcontrib>Buzasi, Derek L</creatorcontrib><creatorcontrib>Mikołajczyk, Przemysław</creatorcontrib><creatorcontrib>Qian-sheng</creatorcontrib><creatorcontrib>Zhang</creatorcontrib><creatorcontrib>Jian-wen</creatorcontrib><creatorcontrib>Ou</creatorcontrib><creatorcontrib>Campante, Tiago L</creatorcontrib><creatorcontrib>Rodrigues, Thaíse S</creatorcontrib><creatorcontrib>Benard Nsamba</creatorcontrib><creatorcontrib>Bossini, Diego</creatorcontrib><creatorcontrib>Kane, Stephen R</creatorcontrib><creatorcontrib>Jia Mian Joel Ong</creatorcontrib><creatorcontrib>Mutlu Yıldız</creatorcontrib><creatorcontrib>Zeynep Çe\ iik Orhan</creatorcontrib><creatorcontrib>S\ ibel Örtel</creatorcontrib><creatorcontrib>Wu, Tao</creatorcontrib><creatorcontrib>Zhang, Xinyi</creatorcontrib><creatorcontrib>Tanda, Li</creatorcontrib><creatorcontrib>Basu, Sarbani</creatorcontrib><creatorcontrib>Cunha, Margarida S</creatorcontrib><creatorcontrib>Christensen-Dalsgaard, Jørgen</creatorcontrib><creatorcontrib>Chaplin, William J</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Jiang</au><au>Bedding, Timothy R</au><au>Stassun, Keivan G</au><au>Veras, Dimitri</au><au>Corsaro, Enrico</au><au>Buzasi, Derek L</au><au>Mikołajczyk, Przemysław</au><au>Qian-sheng</au><au>Zhang</au><au>Jian-wen</au><au>Ou</au><au>Campante, Tiago L</au><au>Rodrigues, Thaíse S</au><au>Benard Nsamba</au><au>Bossini, Diego</au><au>Kane, Stephen R</au><au>Jia Mian Joel Ong</au><au>Mutlu Yıldız</au><au>Zeynep Çe\ iik Orhan</au><au>S\ ibel Örtel</au><au>Wu, Tao</au><au>Zhang, Xinyi</au><au>Tanda, Li</au><au>Basu, Sarbani</au><au>Cunha, Margarida S</au><au>Christensen-Dalsgaard, Jørgen</au><au>Chaplin, William J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>TESS Asteroseismic Analysis of the Known Exoplanet Host Star HD 222076</atitle><jtitle>arXiv.org</jtitle><date>2020-05-01</date><risdate>2020</risdate><eissn>2331-8422</eissn><abstract>The Transiting Exoplanet Survey Satellite (TESS) is an all-sky survey mission aiming to search for exoplanets that transit bright stars. The high-quality photometric data of TESS are excellent for the asteroseismic study of solar-like stars. In this work, we present an asteroseismic analysis of the red-giant star HD~222076 hosting a long-period (2.4 yr) giant planet discovered through radial velocities. Solar-like oscillations of HD~222076 are detected around \(203 \, \mu\)Hz by TESS for the first time. Asteroseismic modeling, using global asteroseismic parameters as input, yields a determination of the stellar mass (\(M_\star = 1.12 \pm 0.12\, M_\odot\)), radius (\(R_\star = 4.34 \pm 0.21\,R_\odot\)), and age (\(7.4 \pm 2.7\,\)Gyr), with precisions greatly improved from previous studies. The period spacing of the dipolar mixed modes extracted from the observed power spectrum reveals that the star is on the red-giant branch burning hydrogen in a shell surrounding the core. We find that the planet will not escape the tidal pull of the star and be engulfed into it within about \(800\,\)Myr, before the tip of the red-giant branch is reached.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.2005.00272</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Extrasolar planets Physics - Earth and Planetary Astrophysics Physics - Solar and Stellar Astrophysics Planet detection Red giant stars Sky surveys (astronomy) Stellar age Stellar mass Stellar seismology Transit |
| title | TESS Asteroseismic Analysis of the Known Exoplanet Host Star HD 222076 |
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