Christoph U. Keller
Christoph U. Keller
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M. Rodenhuis
Latest
Investigating circular patterns in linear polarization observations of Venus
BP Piscium: its flaring disc imaged with SPHERE/ZIMPOL$^★$
Magnetic field topology and chemical spot distributions in the extreme Ap star HD 75049
Surprising detection of an equatorial dust lane on the AGB star IRC+10216
Five-dimensional optical instrumentation: combining polarimetry with time-resolved integral-field spectroscopy
Towards Polarimetric Exoplanet Imaging with ELTs
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
Magnetically Controlled Accretion on the Classical T Tauri Stars GQ Lupi and TW Hydrae
HARPS Spectropolarimetry of the Classical T Tauri Stars GQ Lup and TW Hya
Observing Circumstellar Neighbourhoods with the Extreme Polarimeter
A spectro-polarimetric integral field spectrograph for EPICS-EPOL
The extreme polarimeter: design, performance, first results and upgrades
Constraining the circumbinary envelope of Z Canis Majoris via imaging polarimetry
FOAM: the modular adaptive optics framework
HARPS spectropolarimetry of classical T Tauri stars
Multiwavelength imaging polarimetry of Venus at various phase angles
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
Design and Prototype Results of the ExPo Imaging Polarimeter
Simulating Polarized Light from Exoplanets
No magnetic field in the spotted HgMn star ensuremathμ Leporis
Data-reduction techniques for high-contrast imaging polarimetry. Applications to ExPo
Chemical spots in the absence of magnetic field in the binary HgMn star 66 Eridani
First Detection of Linear Polarization in the Line Profiles of Active Cool Stars
The HARPS Polarimeter
HARPSpol — The New Polarimetric Mode for HARPS
The search for magnetic fields in mercury-manganese stars
EPOL: the exoplanet polarimeter for EPICS at the E-ELT
Imaging polarimetry of circumstellar environments with the Extreme Polarimeter
Imaging polarimetry of protoplanetary disks: feasibility and usability
Polarimetric Measurements of Protoplanetary Disks with ExPo
Design of a laboratory simulator to test exoplanet imaging polarimetry
The Extreme Polarimeter (ExPo): design of a sensitive imaging polarimeter
Design Options for the Extreme Polarimeter (ExPo)
Science Goals of the Extreme Polarimeter (ExPo)
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