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  Detection and Characterization of Oscillating Red Giants: First Results from the TESS Satellite

Silva Aguirre, V., Stello, D., Stokholm, A., Mosumgaard, J. R., Ball, W. H., Basu, S., et al. (2020). Detection and Characterization of Oscillating Red Giants: First Results from the TESS Satellite. Astrophysical Journal, Letters, 889(2): L34. doi:10.3847/2041-8213/ab6443.

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Silva Aguirre, Víctor , Author
Stello, Dennis, Author
Stokholm, Amalie, Author
Mosumgaard, Jakob R., Author
Ball, Warrick H., Author
Basu, Sarbani, Author
Bossini, Diego, Author
Bugnet, Lisa, Author
Buzasi, Derek, Author
Campante, Tiago L., Author
Carboneau, Lindsey, Author
Chaplin, William J., Author
Corsaro, Enrico, Author
Davies, Guy R., Author
Elsworth, Yvonne, Author
García, Rafael A., Author
Gaulme, Patrick1, Author              
Hall, Oliver J., Author
Handberg, Rasmus, Author
Hon, Marc, Author
Kallinger, Thomas, AuthorKang, Liu, AuthorLund, Mikkel N., AuthorMathur, Savita, AuthorMints, Alexey, AuthorMosser, Benoit, AuthorÇelik Orhan, Zeynep , AuthorRodrigues, Thaíse S., AuthorVrard, Mathieu, AuthorYıldız, Mutlu, AuthorZinn, Joel C., AuthorÖrtel, Sibel, AuthorBeck, Paul G., AuthorBell, Keaton J., AuthorGuo, Zhao, AuthorJiang, Chen, AuthorKuszlewicz, James S.2, Author              Kuehn, Charles A., AuthorLi, Tanda, AuthorLundkvist, Mia S., AuthorPinsonneault, Marc, AuthorTayar, Jamie, AuthorCunha, Margarida S., AuthorHekker, Saskia2, Author              Huber, Daniel, AuthorMiglio, Andrea, AuthorMonteiro, Mario J. P. F. G., AuthorSlumstrup, Ditte, AuthorWinther, Mark L., AuthorAngelou, George, AuthorBenomar, Othman, AuthorBódi, Attila, AuthorDe Moura, Bruno L. , AuthorDeheuvels, Sébastien, AuthorDerekas, Aliz, AuthorDi Mauro, Maria Pia , AuthorDupret, Marc-Antoine, AuthorJiménez, Antonio, AuthorLebreton, Yveline, AuthorMatthews, Jaymie, AuthorNardetto, Nicolas, Authordo Nascimento, Jose D. , AuthorPereira, Filipe, AuthorRodríguez Díaz, Luisa F. , AuthorSerenelli, Aldo M., AuthorSpitoni, Emanuele, AuthorStonkutė, Edita, AuthorSuárez, Juan Carlos, AuthorSzabó, Robert, AuthorVan Eylen, Vincent , AuthorVentura, Rita, AuthorVerma, Kuldeep, AuthorWeiss, Achim, AuthorWu, Tao, AuthorBarclay, Thomas, AuthorChristensen-Dalsgaard, Jørgen, AuthorJenkins, Jon M., AuthorKjeldsen, Hans, AuthorRicker, George R., AuthorSeager, Sara, AuthorVanderspek, Roland, Author more..
Affiliations:
1Department Solar and Stellar Interiors, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832287              
2Max Planck Research Group in Stellar Ages and Galactic Evolution (SAGE), Max Planck Institute for Solar System Research, Max Planck Society, ou_2265636              

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 Abstract: Since the onset of the "space revolution" of high-precision high-cadence photometry, asteroseismology has been demonstrated as a powerful tool for informing Galactic archeology investigations. The launch of the NASA Transiting Exoplanet Survey Satellite (TESS) mission has enabled seismic-based inferences to go full sky—providing a clear advantage for large ensemble studies of the different Milky Way components. Here we demonstrate its potential for investigating the Galaxy by carrying out the first asteroseismic ensemble study of red giant stars observed by TESS. We use a sample of 25 stars for which we measure their global asteroseimic observables and estimate their fundamental stellar properties, such as radius, mass, and age. Significant improvements are seen in the uncertainties of our estimates when combining seismic observables from TESS with astrometric measurements from the Gaia mission compared to when the seismology and astrometry are applied separately. Specifically, when combined we show that stellar radii can be determined to a precision of a few percent, masses to 5%–10%, and ages to the 20% level. This is comparable to the precision typically obtained using end-of-mission Kepler data.

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Language(s): eng - English
 Dates: 2020
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.3847/2041-8213/ab6443
 Degree: -

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Title: Astrophysical Journal, Letters
  Other : ApJL
Source Genre: Journal
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Publ. Info: Bristol, UK : Institute of Physics Publishing (IOP)
Pages: - Volume / Issue: 889 (2) Sequence Number: L34 Start / End Page: - Identifier: ISSN: 0004-637X
CoNE: https://pure.mpg.de/cone/journals/resource/954922828215_1