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  Fragile Detection of Solar g-Modes by Fossat et al.

Schunker, H., Schou, J., Gaulme, P., & Gizon, L. (2018). Fragile Detection of Solar g-Modes by Fossat et al. Solar Physics, 293: 95. doi:10.1007/s11207-018-1313-6.

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Genre: Journal Article

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 Creators:
Schunker, Hannah1, Author              
Schou, Jesper1, Author              
Gaulme, Patrick1, Author
Gizon, Laurent1, Author              
Affiliations:
1Department Solar and Stellar Interiors, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832287              

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Free keywords: Helioseismology, observations Interior Oscillations
 Abstract: The internal gravity modes of the Sun are notoriously difficult to detect, and the claimed detection of gravity modes presented by Fossat et al. (Astron. Astrophys.604, A40, 2017) is thus very exciting. Given the importance of these modes for understanding solar structure and dynamics, the results must be robust. While Fossat et al. described their method and parameter choices in detail, the sensitivity of their results to several parameters was not presented. Therefore, we test the sensitivity of the results to a selection of the parameters. The most concerning result is that the detection vanishes when we adjust the start time of the 16.5-year velocity time-series by a few hours. We conclude that this reported detection of gravity modes is extremely fragile and should be treated with utmost caution.

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Language(s): eng - English
 Dates: 2018-07-042018
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/s11207-018-1313-6
 Degree: -

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Title: Solar Physics
  Other : Sol. Phys.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Dordrecht, Holland : Kluwer, etc.
Pages: - Volume / Issue: 293 Sequence Number: 95 Start / End Page: - Identifier: ISSN: 0038-0938
CoNE: https://pure.mpg.de/cone/journals/resource/954925445694