Christoph U. Keller
Christoph U. Keller
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Exoplanets
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Solar Physics
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S.~V. Jeffers
Latest
Surprising detection of an equatorial dust lane on the AGB star IRC+10216
Imaging the circumstellar environment of the young T Tauri star SU Aurigae
Three-dimensional magnetic and abundance mapping of the cool Ap star HD 24712 . I. Spectropolarimetric observations in all four Stokes parameters
Are there tangled magnetic fields on HgMn stars?
The color dependent morphology of the post-AGB star HD 161796
HARPS Spectropolarimetry of the Classical T Tauri Stars GQ Lup and TW Hya
Observing Circumstellar Neighbourhoods with the Extreme Polarimeter
The extreme polarimeter: design, performance, first results and upgrades
Constraining the circumbinary envelope of Z Canis Majoris via imaging polarimetry
HARPS spectropolarimetry of classical T Tauri stars
Direct imaging of a massive dust cloud around R Coronae Borealis
Magnetism, chemical spots, and stratification in the HgMn star ensuremathϕ Phoenicis
Innovative Imaging of Young Stars: First Light ExPo Observations
New Insights into Stellar Magnetism from the Spectropolarimetry in All Four Stokes Parameters
Data Reduction Approach for the Extreme Polarimeter
Simulating Polarized Light from Exoplanets
Imaging polarimetry of circumstellar environments with the Extreme Polarimeter
Imaging polarimetry of protoplanetary disks: feasibility and usability
Polarimetric Measurements of Protoplanetary Disks with ExPo
An analytical model to demonstrate the reliability of reconstructed `active longitudes'.
Design of a laboratory simulator to test exoplanet imaging polarimetry
The Extreme Polarimeter (ExPo): design of a sensitive imaging polarimeter
Science Goals of the Extreme Polarimeter (ExPo)
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