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Publications

 

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.

Magnetic field detections in massive systems at different stages of interaction
Hubrig, S., ... Järvinen, S. P., ... Ilyin, I., ..., 2026
Astronomy and Astrophysics, 707, A3; published February 2026
doi:10.1051/0004-6361/202558337, NASA ADS
Surface image and activity-corrected orbit of the RSCVn binary HR7275: Disentangling activity tracers
Adebali, Ö., Weber, M., Strassmeier, K. G., Ilyin, I. V., Steffen, M., ..., 2026
Astronomy and Astrophysics, 706, A179; published February 2026
doi:10.1051/0004-6361/202557717, NASA ADS
Does the solar oxygen abundance change over the solar cycle?: An investigation into activity-induced variations in the O I infrared triplet
Pietrow, A. G. M., Baratella, M., Ilyin, I. V., Steffen, M., Strassmeier, K. G., 2026
Astronomy and Astrophysics, 706, L11; published February 2026
doi:10.1051/0004-6361/202557598, NASA ADS
Elemental abundance pattern and temperature inversion on the dayside of HAT-P-70b observed with CARMENES and PEPSI
Guo, B., ... Strassmeier, K. G., Ilyin, I., Lesjak, F., ... Poppenhaeger, K., ..., 2026
Astronomy and Astrophysics, 706, A126; published February 2026
doi:10.1051/0004-6361/202557869, NASA 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
A weak Lyα halo for an extremely bright little red dot: Indications of enshrouded supermassive black hole growth
Torralba, A., ... Urrutia, T., ..., 2026
Astronomy and Astrophysics, 705, A147; published January 2026
doi:10.1051/0004-6361/202555596, NASA ADS
Participating AIP research groups: Galaxies and Quasars, 3D and Multi Object Spectroscopy (now: Astronomical Spectroscopic Instrumentation), Astronomical Spectroscopic Instrumentation
Constraining lens masses in moderately to highly magnified microlensing events from Gaia
Pylypenko, U., ... Ilyin, I., ..., 2026
Astronomy and Astrophysics, 705, A24; published January 2026
doi:10.1051/0004-6361/202554935, NASA ADS
Participating AIP research groups: High-resolution Spectroscopy and Polarimetry (now: Astronomical Spectroscopic Instrumentation), Astronomical Spectroscopic Instrumentation
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
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

Dr. Andreas Kelz

Head of R&D Group
Office: LH/0.21
Phone: +49 331 7499 640
akelznothing@aip.de