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  Very regular high-frequency pulsation modes in young intermediate-mass stars

Bedding, T. R., Murphy, S. J., Hey, D. R., Huber, D., Li, T., Smalley, B., et al. (2020). Very regular high-frequency pulsation modes in young intermediate-mass stars. Nature, 581(7807), 147-151. doi:10.1038/s41586-020-2226-8.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-9F3D-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-9F3E-3
Genre: Journal Article

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 Creators:
Bedding, Timothy R., Author
Murphy, Simon J., Author
Hey, Daniel R., Author
Huber, Daniel, Author
Li, Tanda, Author
Smalley, Barry, Author
Stello, Dennis, Author
White, Timothy R., Author
Ball, Warrick H., Author
Chaplin, William J., Author
Colman, Isabel L., Author
Fuller, Jim, Author
Gaidos, Eric, Author
Harbeck, Daniel R., Author
Hermes, J. J., Author
Holdsworth, Daniel L., Author
Li, Gang, Author
Li, Yaguang, Author
Mann, Andrew W., Author
Reese, Daniel R., Author
Sekaran, Sanjay, AuthorYu , Jie1, AuthorAntoci, Victoria, AuthorBergmann, Christoph, AuthorBrown, Timothy M., AuthorHoward, Andrew W., AuthorIreland, Michael J., AuthorIsaacson, Howard, AuthorJenkins, Jon M., AuthorKjeldsen, Hans, AuthorMcCully, Curtis, AuthorRabus, Markus, AuthorRains, Adam D., AuthorRicker, George R., AuthorTinney, Christopher G., AuthorVanderspek, Roland K., Author more..
Affiliations:
1Max Planck Institute for Solar System Research, Max Planck Society, Justus-von-Liebig-Weg 3, 37077 Göttingen, DE, ou_1125546              

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 Abstract: Asteroseismology probes the internal structures of stars by using their natural pulsation frequencies1. It relies on identifying sequences of pulsation modes that can be compared with theoretical models, which has been done successfully for many classes of pulsators, including low-mass solar-type stars2, red giants3, high-mass stars4 and white dwarfs5. However, a large group of pulsating stars of intermediate mass—the so-called δ Scuti stars—have rich pulsation spectra for which systematic mode identification has not hitherto been possible6,7. This arises because only a seemingly random subset of possible modes are excited and because rapid rotation tends to spoil regular patterns8,9,10. Here we report the detection of remarkably regular sequences of high-frequency pulsation modes in 60 intermediate-mass main-sequence stars, which enables definitive mode identification. The space motions of some of these stars indicate that they are members of known associations of young stars, as confirmed by modelling of their pulsation spectra.

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Language(s): eng - English
 Dates: 2020
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1038/s41586-020-2226-8
 Degree: -

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Title: Nature
  Abbreviation : Nature
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 581 (7807) Sequence Number: - Start / End Page: 147 - 151 Identifier: ISSN: 0028-0836
CoNE: https://pure.mpg.de/cone/journals/resource/954925427238