Stellar twins determine the distance of the Pleiades
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Authors
Mädler, T
Jofré, P
Gilmore, G
Clare Worley, C
Soubiran, C
Blanco-Cuaresma, S
Hawkins, K
Casey, AR
Publication Date
2016Journal Title
Astronomy and Astrophysics
ISSN
0004-6361
Publisher
EDP Sciences
Volume
595
Type
Article
Metadata
Show full item recordCitation
Mädler, T., Jofré, P., Gilmore, G., Clare Worley, C., Soubiran, C., Blanco-Cuaresma, S., Hawkins, K., & et al. (2016). Stellar twins determine the distance of the Pleiades. Astronomy and Astrophysics, 595 https://doi.org/10.1051/0004-6361/201629091
Abstract
© 2016 ESO.Since the release of the Hipparcos catalogue in 1997, the distance to the Pleiades open cluster has been heavily debated. The distance obtained from Hipparcos and those by alternative methods differ by 10 to 15%. As accurate stellar distances are key to understanding stellar structure and evolution, this dilemma puts the validity of some stellar evolution models into question. Using our model-independent method to determine parallaxes based on twin stars, we report individual parallaxes of 15 FGK type stars in the Pleiades in anticipation of the astrometric mission Gaia. These parallaxes give a mean cluster parallax of 7.42 ± 0.09 mas,which corresponds to a mean cluster distance of 134.8 ± 1.7 pc. This value agrees with the current results obtained from stellar evolution models.
Sponsorship
Leverhulme Trust (RPG-2012-541)
European Research Council (320360)
Identifiers
External DOI: https://doi.org/10.1051/0004-6361/201629091
This record's URL: https://www.repository.cam.ac.uk/handle/1810/280059
Rights
Licence:
http://www.rioxx.net/licenses/all-rights-reserved
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