The Asteroseismic Potential of TESS: Exoplanet-host Stars
Tiago L. Campante,Tiago L. Campante,Mathew Schofield,Mathew Schofield,James S. Kuszlewicz,James S. Kuszlewicz,L. G. Bouma,William J. Chaplin,William J. Chaplin,Daniel Huber,Daniel Huber,Daniel Huber,Jørgen Christensen-Dalsgaard,Hans Kjeldsen,Diego Bossini,Diego Bossini,Thomas S. H. North,Thomas S. H. North,Thierry Appourchaux,David W. Latham,Joshua Pepper,George R. Ricker,Keivan G. Stassun,Keivan G. Stassun,Roland Vanderspek,Joshua N. Winn,Joshua N. Winn +26 more
TLDR
In this paper, a simple test is developed to estimate the detectability of solar-like oscillations in TESS photometry of any given star, based on an all-sky stellar and planetary synthetic population.Abstract:
New insights on stellar evolution and stellar interiors physics are being made possible by asteroseismology. Throughout the course of the Kepler mission, asteroseismology has also played an important role in the characterization of exoplanet-host stars and their planetary systems. The upcoming NASA Transiting Exoplanet Survey Satellite (TESS) will be performing a near all-sky survey for planets that transit bright nearby stars. In addition, its excellent photometric precision, combined with its fine time sampling and long intervals of uninterrupted observations, will enable asteroseismology of solar-type and red-giant stars. Here we develop a simple test to estimate the detectability of solar-like oscillations in TESS photometry of any given star. Based on an all-sky stellar and planetary synthetic population, we go on to predict the asteroseismic yield of the TESS mission, placing emphasis on the yield of exoplanet-host stars for which we expect to detect solar-like oscillations. This is done for both the target stars (observed at a 2-min cadence) and the full-frame-image stars (observed at a 30-min cadence). A similar exercise is also conducted based on a compilation of known host stars. We predict that TESS will detect solar-like oscillations in a few dozen target hosts (mainly subgiant stars but also in a smaller number of F dwarfs), in up to 200 low-luminosity red-giant hosts, and in over 100 solar-type and red-giant known hosts, thereby leading to a threefold improvement in the asteroseismic yield of exoplanet-host stars when compared to Kepler's.read more
Citations
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Journal ArticleDOI
The TESS Input Catalog and Candidate Target List
Keivan G. Stassun,Ryan J. Oelkers,Joshua Pepper,Martin Paegert,Nathan DeLee,Guillermo Torres,David W. Latham,Stéphane Charpinet,Courtney D. Dressing,Daniel Huber,Stephen R. Kane,Sébastien Lépine,Andrew W. Mann,Philip S. Muirhead,Bárbara Rojas-Ayala,Roberto Silvotti,Scott W. Fleming,A. Levine,Peter Plavchan +18 more
TL;DR: The Transiting Exoplanet Survey Satellite (TESS) will conduct a nearly all-sky photometric survey over two years, with a core mission goal to discover small transiting exoplanets orbiting nearby bright stars as discussed by the authors.
Journal ArticleDOI
A Revised Exoplanet Yield from the Transiting Exoplanet Survey Satellite (TESS)
TL;DR: In this article, the authors present estimates of how many exoplanets the Transiting Exoplanet Survey Satellite (TESS) will detect, the physical properties of the detected planets, and the properties of those planets that those planets orbit.
Journal ArticleDOI
Empirical Accurate Masses and Radii of Single Stars with TESS and Gaia
TL;DR: In this article, a method for the determination of empirical masses of single stars through the combination of three direct observables with Gaia and Transiting Exoplanet Survey Satellite (TESS): (i) the surface gravity via granulation-driven variations in the TESS light curve, (ii) the bolometric flux at Earth via the broadband spectral energy distribution, and (iii) the distance via the Gaia parallax.
Journal ArticleDOI
Probing the interior physics of stars through asteroseismology
TL;DR: A comprehensive review of the recent development of this field, the necessary blending of numerical simulation and data, and the way in which this new information enhances our understanding of stellar evolution can be found in this article.
Journal ArticleDOI
Magnetic Evolution and the Disappearance of Sun-Like Activity Cycles
TL;DR: In this paper, a reinterpretation of previously published observations was proposed to suggest that the solar cycle may be growing longer on stellar evolutionary timescales, and that the cycle might disappear sometime in the next 0.8 − 2.4 Gyr.
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TL;DR: The Modules for Experiments in Stellar Astrophysics (MESA) project as discussed by the authors provides a one-dimensional stellar evolution module, MESA Star, which can model the evolution of giant planets down to masses as low as one-tenth that of Jupiter.
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Lavigne,Y. Le Fustec,C. Le Poncin-Lafitte,Yveline Lebreton,S. Leccia,N. Leclerc,I. Lecoeur-Taïbi,H. Lenhardt,F. Leroux,S. Liao,E. Licata,H. E. P. Lindstrøm,T. A. Lister,E. Livanou,A. Lobel,M. López,S. Managau,Robert G. Mann,G. Mantelet,O. Marchal,Jon Marchant,Marcella Marconi,S. Marinoni,G. Marschalkó,D. J. Marshall,M. Martino,Gábor Marton,Nicolas Mary,Davide Massari,G. Matijevič,Tsevi Mazeh,Paul J. McMillan,S. Messina,D. Michalik,N. R. Millar,D. Molina,R. Molinaro,L. Molnár,P. Montegriffo,R. Mor,R. Morbidelli,Thierry Morel,D. Morris,A. F. Mulone,T. Muraveva,I. Musella,Gijs Nelemans,Luciano Nicastro,L. Noval,W. O'Mullane,C. Ordénovic,D. Ordóñez-Blanco,P. Osborne,C. Pagani,I. Pagano,F. Pailler,H. Palacin,L. Palaversa,A. Panahi,Michał Pawlak,A. M. Piersimoni,F.-X. Pineau,E. Plachy,G. Plum,E. Poggio,E. Poujoulet,A. Prša,L. Pulone,E. Racero,S. Ragaini,N. Rambaux,M. Ramos-Lerate,S. Regibo,Céline Reylé,F. Riclet,V. Ripepi,A. Riva,A. Rivard,G. Rixon,T. Roegiers,M. Roelens,M. 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