---
_id: '11606'
abstract:
- lang: eng
  text: "Context. Our knowledge of the dynamics of stars has undergone a revolution
    through the simultaneous large amount of high-quality photometric observations
    collected by space-based asteroseismology and ground-based high-precision spectropolarimetry.
    They allowed us to probe the internal rotation of stars and their surface magnetism
    in the whole Hertzsprung-Russell diagram. However, new methods should still be
    developed to probe the deep magnetic fields in these stars.\r\n\r\nAims. Our goal
    is to provide seismic diagnoses that allow us to probe the internal magnetism
    of stars.\r\n\r\nMethods. We focused on asymptotic low-frequency gravity modes
    and high-frequency acoustic modes. Using a first-order perturbative theory, we
    derived magnetic splittings of their frequencies as explicit functions of stellar
    parameters.\r\n\r\nResults. As in the case of rotation, we show that asymptotic
    gravity and acoustic modes can allow us to probe the different components of the
    magnetic field in the cavities in which they propagate. This again demonstrates
    the high potential of using mixed-modes when this is possible."
acknowledgement: The authors thank the referee and Pr. J. Christensen-Dalsgaard for
  their very constructive comments and remarks that allowed us to improve the article.
  St. M., L. B., V. P., and K. A. acknowledge support from the European Research Council
  through ERC grant SPIRE 647383. All the members from CEA acknowledge support from
  GOLF and PLATO CNES grants of the Astrophysics Division at CEA. S. Mathur acknowledges
  support by the Ramon y Cajal fellowship number RYC-2015-17697. We made great use
  of the megyr python package for interfacing MESA and GYRE codes.
article_number: A122
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: S.
  full_name: Mathis, S.
  last_name: Mathis
- first_name: Lisa Annabelle
  full_name: Bugnet, Lisa Annabelle
  id: d9edb345-f866-11ec-9b37-d119b5234501
  last_name: Bugnet
  orcid: 0000-0003-0142-4000
- first_name: V.
  full_name: Prat, V.
  last_name: Prat
- first_name: K.
  full_name: Augustson, K.
  last_name: Augustson
- first_name: S.
  full_name: Mathur, S.
  last_name: Mathur
- first_name: R. A.
  full_name: Garcia, R. A.
  last_name: Garcia
citation:
  ama: Mathis S, Bugnet LA, Prat V, Augustson K, Mathur S, Garcia RA. Probing the
    internal magnetism of stars using asymptotic magneto-asteroseismology. <i>Astronomy
    &#38; Astrophysics</i>. 2021;647. doi:<a href="https://doi.org/10.1051/0004-6361/202039180">10.1051/0004-6361/202039180</a>
  apa: Mathis, S., Bugnet, L. A., Prat, V., Augustson, K., Mathur, S., &#38; Garcia,
    R. A. (2021). Probing the internal magnetism of stars using asymptotic magneto-asteroseismology.
    <i>Astronomy &#38; Astrophysics</i>. EDP Sciences. <a href="https://doi.org/10.1051/0004-6361/202039180">https://doi.org/10.1051/0004-6361/202039180</a>
  chicago: Mathis, S., Lisa Annabelle Bugnet, V. Prat, K. Augustson, S. Mathur, and
    R. A. Garcia. “Probing the Internal Magnetism of Stars Using Asymptotic Magneto-Asteroseismology.”
    <i>Astronomy &#38; Astrophysics</i>. EDP Sciences, 2021. <a href="https://doi.org/10.1051/0004-6361/202039180">https://doi.org/10.1051/0004-6361/202039180</a>.
  ieee: S. Mathis, L. A. Bugnet, V. Prat, K. Augustson, S. Mathur, and R. A. Garcia,
    “Probing the internal magnetism of stars using asymptotic magneto-asteroseismology,”
    <i>Astronomy &#38; Astrophysics</i>, vol. 647. EDP Sciences, 2021.
  ista: Mathis S, Bugnet LA, Prat V, Augustson K, Mathur S, Garcia RA. 2021. Probing
    the internal magnetism of stars using asymptotic magneto-asteroseismology. Astronomy
    &#38; Astrophysics. 647, A122.
  mla: Mathis, S., et al. “Probing the Internal Magnetism of Stars Using Asymptotic
    Magneto-Asteroseismology.” <i>Astronomy &#38; Astrophysics</i>, vol. 647, A122,
    EDP Sciences, 2021, doi:<a href="https://doi.org/10.1051/0004-6361/202039180">10.1051/0004-6361/202039180</a>.
  short: S. Mathis, L.A. Bugnet, V. Prat, K. Augustson, S. Mathur, R.A. Garcia, Astronomy
    &#38; Astrophysics 647 (2021).
date_created: 2022-07-18T12:15:27Z
date_published: 2021-03-18T00:00:00Z
date_updated: 2024-10-14T11:39:21Z
day: '18'
doi: 10.1051/0004-6361/202039180
extern: '1'
external_id:
  arxiv:
  - '2012.11050'
intvolume: '       647'
keyword:
- Space and Planetary Science
- Astronomy and Astrophysics
- asteroseismology / waves / stars
- magnetic field / stars
- oscillations / methods
- analytical
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://arxiv.org/abs/2012.11050
month: '03'
oa: 1
oa_version: Preprint
publication: Astronomy & Astrophysics
publication_identifier:
  eissn:
  - 1432-0746
  issn:
  - 0004-6361
publication_status: published
publisher: EDP Sciences
quality_controlled: '1'
scopus_import: '1'
status: public
title: Probing the internal magnetism of stars using asymptotic magneto-asteroseismology
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 647
year: '2021'
...