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Dr. Alex Pietrow

Publications

Latest refereed publications, retrieved from NASA ADS:

Thermal background reduction for mid-infrared imaging by low-rank background and sparse point-source modelling: Quantitative and qualitative demonstrations on ground-based VISIR and airborne SOFIA time series
Moens, R. A. R., Pietrow, A. G. M., Brandl, B., Van de Plas, R., 2026
Astronomy and Astrophysics, 710, A150; published June 2026
doi:10.1051/0004-6361/202555698, NASA ADS
Participating AIP research groups: Solar Physics
Forward modeling solar spectra onto Doppler images of λ And
Adebali, Ö., Pietrow, A. G. M., 2026
Astronomy and Astrophysics, 710, A51; published May 2026
doi:10.1051/0004-6361/202659430, NASA ADS
Participating AIP research groups: Solar Physics, Stellar Activity
Prominence signatures in the Fraunhofer G-band: Testing ionization memory with multi-line prominence diagnostics
Pietrow, A. G. M., Balthasar, H., ... Kamlah, R., Stork, A., Denker, C., Verma, M., 2026
Astronomy and Astrophysics, 709, A137; published May 2026
doi:10.1051/0004-6361/202659348, NASA ADS
Participating AIP research groups: Solar Physics
Chromospheric and photospheric properties of sunspots as inferred from Stokes inversions under magnetohydrostatic and non-local thermodynamic equilibrium
Vicente Arévalo, A., ... Kontogiannis, I., Pietrow, A. G. M., 2026
Astronomy and Astrophysics, 708, A351; published April 2026
doi:10.1051/0004-6361/202659286, NASA ADS
Participating AIP research groups: Solar Physics
HelioSpectrotron 5000: an interactive solar atlas
Pietrow, A. G., 2026
The Open Journal of Astrophysics, 9, 58273; published February 2026
doi:10.33232/001c.158273, NASA ADS
Participating AIP research groups: Solar Physics
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
Center-to-limb variations of the He I 10 830 Å triplet
Pietrow, A. G. M., ... Verma, M., Denker, C., ... Kamlah, R., Poppenhäger, K., 2026
Astronomy and Astrophysics, 705, A116; published January 2026
doi:10.1051/0004-6361/202557267, NASA ADS
Wave Period Variability in a Quiescent Solar Prominence
Wiśniewska, A., ... Pietrow, A. G. M., ..., 2025
The Astrophysical Journal, 995, 1, 17; published December 2025
doi:10.3847/1538-4357/ae1ef4, NASA ADS
Participating AIP research groups: Solar Physics
Differential rotation of solar α sunspots and implications for stellar light curves
Lößnitz, E. J., Pietrow, A. G. M., ... Verma, M., Kontogiannis, I., Balthasar, H., Denker, C., ..., 2025
Astronomy and Astrophysics, 703, A187; published November 2025
doi:10.1051/0004-6361/202555654, NASA ADS
Participating AIP research groups: Solar Physics
Solar flux atlases: The new HARPS-N quiet Sun benchmark and continuum normalisation of the Ca II H & K lines
Hanassi-Savari, F., Pietrow, A. G. M., Druett, M. K., Cretignier, M., Ellwarth, M., 2025
Astronomy and Astrophysics, 702, A97; published October 2025
doi:10.1051/0004-6361/202451874, NASA ADS
Participating AIP research groups: Solar Physics
Solar Physics
Postdoctoral Researcher
Office: HH/204
Phone: +49 331 7499 408
apietrownothing@aip.de

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