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  The Sun is less active than other solar-like stars

Reinhold, T., Shapiro, A., Solanki, S. K., Montet, B. T., Krivova, N. A., Cameron, R. H., et al. (2020). The Sun is less active than other solar-like stars. Science, 368(6490), 518-521. doi:10.1126/science.aay3821.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-53B7-E Version Permalink: http://hdl.handle.net/21.11116/0000-0006-53B8-D
Genre: Journal Article

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 Creators:
Reinhold, Timo1, 2, Author              
Shapiro, Alexander1, 2, Author              
Solanki, Sami K.1, Author              
Montet, Benjamin T., Author
Krivova, Natalie A.1, Author              
Cameron, Robert H.1, Author              
Amazo-Gómez, , Eliana M.1, Author
Affiliations:
1Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832289              
2ERC Starting Grant: Connecting Solar and Stellar Variabilities (SOLVe), Max Planck Institute for Solar System Research, Max Planck Society, ou_3164811              

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 Abstract: The magnetic activity of the Sun and other stars causes their brightness to vary. We investigated how typical the Sun’s variability is compared with other solar-like stars, i.e., those with near-solar effective temperatures and rotation periods. By combining 4 years of photometric observations from the Kepler space telescope with astrometric data from the Gaia spacecraft, we were able to measure photometric variabilities of 369 solar-like stars. Most of those with well-determined rotation periods showed higher variability than the Sun and are therefore considerably more active. These stars appear nearly identical to the Sun except for their higher variability. Therefore, we speculate that the Sun could potentially also go through epochs of such high variability.

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Language(s): eng - English
 Dates: 2020
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1126/science.aay3821
 Degree: -

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Title: Science
  Other : Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: - Volume / Issue: 368 (6490) Sequence Number: - Start / End Page: 518 - 521 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1