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Publications

 

Bachelor, master, diploma and doctoral theses

Gruner, David 2023: New frontiers in Gyrochronology. PhD thesis, University of Potsdam (pdf)
 

Latest publications

The following list contains the most recent AIP publications from members of this research group. For more publications, please see AIP publications at ADS.

PEPSI Investigation, Retrieval, and Atlas of Numerous Giant Atmospheres (PIRANGA). II. Phase-resolved Cross-correlation Transmission Spectroscopy of KELT-20b
Lenhart, C., ... Strassmeier, K. G., Ilyin, I., 2026
The Astronomical Journal, 171, 2, 81; published February 2026
doi:10.3847/1538-3881/ae2252, NASA ADS
Participating AIP research groups: Stellar Activity, High-resolution Spectroscopy and Polarimetry (now: Astronomical Spectroscopic Instrumentation), Astronomical Spectroscopic Instrumentation
Magnetic activity on the young Sun: A case study of EK Draconis
Görgei, A., ... Järvinen, S. P., Strassmeier, K. G., ..., 2026
Astronomy and Astrophysics, 706, A54; published January 2026
doi:10.1051/0004-6361/202556949, NASA ADS
Participating AIP research groups: Stellar Physics and Exoplanets, Stellar Activity
PEPSI Investigation, Retrieval, and Atlas of Numerous Giant Atmospheres (PIRANGA). IV. High-resolution Phased-resolved Spectroscopy of the Ultra-hot-Jupiter KELT-20 b
Bonidie, V., ... Strassmeier, K., Ilyin, I., 2026
The Astronomical Journal, 171, 1, 34; published January 2026
doi:10.3847/1538-3881/ae21be, NASA ADS
Participating AIP research groups: Stellar Activity, High-resolution Spectroscopy and Polarimetry (now: Astronomical Spectroscopic Instrumentation), Astronomical Spectroscopic Instrumentation
PERICLES: A Set of Empirical Rotational Isochrones Modeled on Cool Dwarfs in Open Clusters and Wide Binaries
Gruner, D., Barnes, S. A., 2026
Astronomische Nachrichten, 347, 1, e70056; published January 2026
doi:10.1002/asna.70056, NASA ADS
Participating AIP research groups: Stellar Activity
Stellar Rotation in an Old Solar Twin Using ESPRESSO/VLT Validates Gyrochronology
Carvalho-Silva, G., Barragán, O., Haywood, R. D., Meléndez, J., Barnes, S. A., 2025
The Astrophysical Journal, 995, 2, L62; published December 2025
doi:10.3847/2041-8213/ae2744, NASA ADS
Participating AIP research groups: Stellar Activity
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
Participating AIP research groups: Stellar Activity, High-resolution Spectroscopy and Polarimetry (now: Astronomical Spectroscopic Instrumentation), Stellar Physics and Exoplanets
PEPSI investigation, retrieval, and atlas of numerous giant atmospheres (PIRANGA) ─ III. Composition and winds in the atmosphere of TOI-1518 b
Basinger, C., ... Ilyin, I., Strassmeier, K., 2025
Monthly Notices of the Royal Astronomical Society, 543, 4, 4136; published November 2025
doi:10.1093/mnras/staf1648, NASA ADS
Participating AIP research groups: High-resolution Spectroscopy and Polarimetry (now: Astronomical Spectroscopic Instrumentation), Stellar Activity
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
Participating AIP research groups: Stellar Activity, X-ray Astronomy
Weakened Magnetic Braking Signals the Collapse of the Global Stellar Dynamo
Metcalfe, T. S., ... Ilyin, I. V., Strassmeier, K. G., 2025
The Astrophysical Journal, 991, 1, L17; published September 2025
doi:10.3847/2041-8213/ae03bc, NASA ADS
Participating AIP research groups: High-resolution Spectroscopy and Polarimetry (now: Astronomical Spectroscopic Instrumentation), Stellar Activity
Four decades of photometry of XX Trianguli, 'the most spotted star' in the sky
Kővári, Z., Strassmeier, K. G., ..., 2025
Astronomy and Astrophysics, 701, A103; published September 2025
doi:10.1051/0004-6361/202555542, NASA ADS
Participating AIP research groups: Stellar Activity

Dr. Sydney Barnes

Research Group Head
Office: HH/112
Phone: +49 331 7499 379
sbarnesnothing@aip.de