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Dr. Sydney Barnes

Image of Sydney Barnes
Stellar Activity
Group Head
Office: HH/111
Phone: +49 331 7499 379
sbarnesnothing@aip.de

Leibniz-Institut
für Astrophysik Potsdam (AIP)
An der Sternwarte 16
14482 Potsdam

Publications

Latest refereed publications, retrieved from NASA ADS:

A detailed understanding of the rotation-activity relationship using the 300 Myr old open cluster NGC 3532
Fritzewski, D. J., Barnes, S. A., James, D. J., Järvinen, S. P., Strassmeier, K. G., 2021
Astronomy and Astrophysics, 656, A103; published December 2021
doi:10.1051/0004-6361/202140896, NASA ADS
Rotation periods for cool stars in the open cluster NGC 3532. The transition from fast to slow rotation
Fritzewski, D. J., Barnes, S. A., James, D. J., Strassmeier, K. G., 2021
Astronomy and Astrophysics, 652, A60; published August 2021
doi:10.1051/0004-6361/202140894, NASA ADS
Participating AIP sections and groups: Stellar Physics and Exoplanets / Stellar Activity
Rotation periods for cool stars in the open cluster Ruprecht 147 (NGC 6774). Implications for gyrochronology
Gruner, D., Barnes, S. A., 2020
Astronomy and Astrophysics, 644, A16; published December 2020
doi:10.1051/0004-6361/202038984, NASA ADS
Participating AIP sections and groups: Stellar Physics and Exoplanets / Stellar Activity
The rotation period distribution of the rich Pleiades-age southern open cluster NGC 2516. Existence of a representative zero-age main sequence distribution
Fritzewski, D. J., Barnes, S. A., James, D. J., Strassmeier, K. G., 2020
Astronomy and Astrophysics, 641, A51; published September 2020
doi:10.1051/0004-6361/201936860, NASA ADS
Participating AIP sections and groups: Stellar Physics and Exoplanets / Stellar Activity
Rotation of Solar Analogs Crossmatching Kepler and Gaia DR2
do Nascimento, J. -D., Jr., ... Barnes, S. A., ..., 2020
The Astrophysical Journal, 898, 2, 173; published August 2020
doi:10.3847/1538-4357/ab9c16, NASA ADS
Participating AIP sections and groups: Stellar Physics and Exoplanets / Stellar Activity
16th Potsdam Thinkshop: The rotation periods of cool stars: Measurements, uses, connections and prospects
Barnes, S. A., Steffen, M., Strassmeier, K. G., 2020
Astronomische Nachrichten, 341, 5, 485; published June 2020
doi:10.1002/asna.202013832, NASA ADS
Participating AIP sections and groups: Stellar Physics and Exoplanets
Evidence of New Magnetic Transitions in Late-type Dwarfs from Gaia DR2
Lanzafame, A. C., Distefano, E., Barnes, S. A., Spada, F., 2019
The Astrophysical Journal, 877, 2, 157; published June 2019
doi:10.3847/1538-4357/ab1aa2, NASA ADS
Participating AIP sections and groups: Stellar Physics and Exoplanets / Stellar Activity
Spectroscopic membership for the populous 300 Myr-old open cluster NGC 3532
Fritzewski, D. J., Barnes, S. A., ... Strassmeier, K. G., 2019
Astronomy and Astrophysics, 622, A110; published February 2019
doi:10.1051/0004-6361/201833587, NASA ADS
Participating AIP sections and groups: Stellar Physics and Exoplanets / Stellar Activity
PEPSI deep spectra. III. Chemical analysis of the ancient planet-host star Kepler-444
Mack, C. E., Strassmeier, K. G., Ilyin, I., ... Spada, F., Barnes, S. A., 2018
Astronomy and Astrophysics, 612, A46; published April 2018
doi:10.1051/0004-6361/201731634, NASA ADS
Some aspects of cool main sequence star ages derived from stellar rotation (gyrochronology)
Barnes, S. A., Spada, F., Weingrill, J., 2016
Astronomische Nachrichten, 337, 8-9, 810; published September 2016
doi:10.1002/asna.201612377, NASA ADS