Katja Poppenhaeger

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Publications (169)

• Intense but Harmless: Exo-Space Weather around an M Dwarf with a Single-hemisphere Dynamo
  The Astrophysical Journal 2026 DOI: 10.3847/1538-4357/ae976d
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• Is the high-energy environment of K2-18b special?
  Astronomy & Astrophysics 2026 DOI: 10.1051/0004-6361/202557601
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• Searching for Rotational X‐Ray Modulation on TIC 277539431
  Astronomische Nachrichten 2026 DOI: 10.1002/asna.70085
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• Center-to-limb variations of the He I 10 830 Å triplet
  A. G. M. Pietrow, C. Kuckein, M. Verma

  +4 more

  • Carsten J. Denker
  • J. C. Trelles Arjona
  • Robert Kamlah
  • Katja Poppenhaeger
  Astronomy & Astrophysics 2026 DOI: 10.1051/0004-6361/202557267
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• High-Resolution Modeling of Coronae and Winds in Solar-Type Stars with Varying Rotation Rates. I. X-Ray Coronae
  The Astrophysical Journal 2025 DOI: 10.3847/1538-4357/ae1697
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• Far beyond the Sun
  Astronomy & Astrophysics 2025 DOI: 10.1051/0004-6361/202555349
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• Close-in planet induces flares on its host star
  Nature 2025 DOI: 10.1038/s41586-025-09236-z
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• Exploring coronal abundances of M dwarfs at moderate activity levels
  Astronomy & Astrophysics 2025 DOI: 10.1051/0004-6361/202450209
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• Planetary inward migration as the potential cause of GJ 504’s fast rotation and bright X-ray luminosity
  Astronomy & Astrophysics 2025 DOI: 10.1051/0004-6361/202452580
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• The high-energy environment of the heavy sub-Earth GJ 367 b indicates likely complete evaporation of its atmosphere
  Astronomy & Astrophysics 2024 DOI: 10.1051/0004-6361/202449351
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• Simulated Coronal Mass Ejections on a Young Solar-type Star and the Associated Instantaneous Angular Momentum Loss
  Yu Xu, Julián D. Alvarado‐Gómez, Hui Tian +3 more
  The Astrophysical Journal 2024 DOI: 10.3847/1538-4357/ad5845
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• The corona of a fully convective star with a near-polar flare
  Astronomy & Astrophysics 2024 DOI: 10.1051/0004-6361/202449541
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• X-ray variability of the triplet star system LTT1445 and evaporation history of the planets around its A component
  Astronomy & Astrophysics 2024 DOI: 10.1051/0004-6361/202449400
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• The PEPSI Exoplanet Transit Survey (PETS) – V. New Na d transmission spectra indicate a quieter atmosphere on HD 189733b
  Monthly Notices of the Royal Astronomical Society 2024 DOI: 10.1093/mnras/stae1097
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• The Great Dimming of Betelgeuse: The photosphere as revealed by tomography over the past 15 yr
  Astronomy & Astrophysics 2024 DOI: 10.1051/0004-6361/202348846
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• The PEPSI Exoplanet Transit Survey (PETS) – IV. Assessing the atmospheric chemistry of KELT-20b
  Monthly Notices of the Royal Astronomical Society 2023 DOI: 10.1093/mnras/stad3481
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• Planetary perturbers: flaring star–planet interactions in Kepler and TESS
  Monthly Notices of the Royal Astronomical Society 2023 DOI: 10.1093/mnras/stad3398
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• Three young planets around the K-dwarf K2-198: high-energy environment, evaporation history, and expected future
  Monthly Notices of the Royal Astronomical Society 2023 DOI: 10.1093/mnras/stad3197
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• X-Ray and Optical Observations of the Young M Dwarf Dipper Star TIC 234284556
  Research Notes of the AAS 2023 DOI: 10.3847/2515-5172/acfd9d
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• Far beyond the Sun − II. Probing the stellar magnetism of the young Sun ι Horologii from the photosphere to its corona
  Monthly Notices of the Royal Astronomical Society 2023 DOI: 10.1093/mnras/stad2086
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