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Dr. Sydney Barnes

Image of Sydney Barnes
Stellar Activity
Group Head
Office: HH/112
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:

Surface activity of a Rossby sequence of cool Hyades stars
Strassmeier, K. G., Ilyin, I., Steffen, M., Barnes, S. A., 2025
Astronomy and Astrophysics, 704, A8; published November 2025
doi:10.1051/0004-6361/202556888, NASA ADS
A star-by-star correspondence between X-ray activity and rotation in the young open cluster NGC 2516 with eROSITA
Fritzewski, D. J., Barnes, S. A., Ok, S., Lamer, G., Schwope, A., 2025
Astronomy and Astrophysics, 702, A218; published October 2025
doi:10.1051/0004-6361/202554526, NASA ADS
The PLATO mission
Rauer, H., ... Barnes, S., ... Chiappini, C., ... Poppenhaeger, K., ... Strassmeier, K., ... Valentini, M., ... Weingrill, J., ..., 2025
Experimental Astronomy, 59, 3, 26; published June 2025
doi:10.1007/s10686-025-09985-9, NASA ADS
The discovery space of ELT-ANDES. Stars and stellar populations
Roederer, I. U., Alvarado-Gómez, J. D., ... Amazo-Gómez, E. M., Baratella, M., Barnes, S. A., ... Järvinen, S. P., ... Poppenhäger, K., ..., 2024
Experimental Astronomy, 57, 2, 17; published April 2024
doi:10.1007/s10686-024-09938-8, NASA ADS
A Hale-like Cycle in the Solar Twin 18 Scorpii
do Nascimento, J.-D., Barnes, S. A., ... Strassmeier, K. G., ..., 2023
The Astrophysical Journal, 958, 1, 57; published November 2023
doi:10.3847/1538-4357/acfc1a, NASA ADS
Participating AIP sections and groups: Stellar Physics and Exoplanets / Stellar Activity
Wide binaries demonstrate the consistency of rotational evolution between open cluster and field stars
Gruner, D., Barnes, S. A., Janes, K. A., 2023
Astronomy and Astrophysics, 675, A180; published July 2023
doi:10.1051/0004-6361/202346590, NASA ADS
Participating AIP sections and groups: Stellar Physics and Exoplanets / Stellar Activity
A rotational age for the open cluster NGC 2281. The possibility of using the fast rotator sequence for accurate cluster age determinations
Fritzewski, D. J., Barnes, S. A., Weingrill, J., Granzer, T., Cole-Kodikara, E., Strassmeier, K. G., 2023
Astronomy and Astrophysics, 674, A152; published June 2023
doi:10.1051/0004-6361/202346083, NASA ADS
The rotation period distribution in the young open cluster NGC 6709
Cole-Kodikara, E. M., Barnes, S. A., Weingrill, J., Granzer, T., 2023
Astronomy and Astrophysics, 673, A119; published May 2023
doi:10.1051/0004-6361/202245441, NASA ADS
New insights into the rotational evolution of near-solar age stars from the open cluster M 67
Gruner, D., Barnes, S. A., Weingrill, J., 2023
Astronomy and Astrophysics, 672, A159; published April 2023
doi:10.1051/0004-6361/202345942, NASA ADS
Comparative study of nearly‑grazing and fully‑grazing exoplanet system parameters derived with TESS and ground‑based instruments
Alexoudi, X., Dineva, E., Barnes, S., Strassmeier, K. G., 2023
Astronomische Nachrichten, 344, 3, e20220075; published March 2023
doi:10.1002/asna.20220075, NASA ADS