Christoph Keller
Christoph Keller
National Solar Observatory
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Cited by
Cited by
Two accreting protoplanets around the young star PDS 70
SY Haffert, AJ Bohn, J De Boer, IAG Snellen, J Brinchmann, JH Girard, ...
Nature Astronomy 3 (8), 749-754, 2019
Combining high-dispersion spectroscopy with high contrast imaging: Probing rocky planets around our nearest neighbors
I Snellen, R de Kok, JL Birkby, B Brandl, M Brogi, C Keller, M Kenworthy, ...
Astronomy & Astrophysics 576, A59, 2015
The second solar spectrum. A new window for diagnostics of the Sun.
JO Stenflo, CU Keller
Astronomy and Astrophysics, v. 321, p. 927-934 321, 927-934, 1997
On the origin of solar faculae
CU Keller, M Schüssler, A Vögler, V Zakharov
The Astrophysical Journal 607 (1), L59, 2004
Evaluation of phase-diversity techniques for solar-image restoration
RG Paxman, JH Seldin, MG Lofdahl, GB Scharmer, CU Keller
Solar speckle polarimetry
CU Keller, O Von Der Luehe
Astronomy and Astrophysics (ISSN 0004-6361), vol. 261, no. 1, p. 321-328 …, 1992
Spectral modulation for full linear polarimetry
F Snik, T Karalidi, CU Keller
Applied Optics 48 (7), 1337-1346, 2009
Resolution of magnetic flux tubes on the Sun
CU Keller
Nature 359 (6393), 307-308, 1992
Mapping atmospheric aerosols with a citizen science network of smartphone spectropolarimeters
F Snik, JHH Rietjens, A Apituley, H Volten, B Mijling, A Di Noia, ...
Geophysical Research Letters 41 (20), 7351-7358, 2014
Solar carbon monoxide, thermal profiling, and the abundances of C, O, and their isotopes
TR Ayres, C Plymate, CU Keller
The Astrophysical Journal Supplement Series 165 (2), 618, 2006
On the strength of solar intra-network fields
CU Keller, FL Deubner, U Egger, B Fleck, HP Povel
Astronomy and Astrophysics (ISSN 0004-6361), vol. 286, no. 2, p. 626-634 286 …, 1994
SOLIS: an innovative suite of synoptic solar instruments
CU Keller, JW Harvey, MS Giampapa
Innovative telescopes and instrumentation for solar astrophysics 4853, 194-204, 2003
Direct detection of scattered light gaps in the transitional disk around HD 97048 with VLT/SPHERE
C Ginski, T Stolker, P Pinilla, C Dominik, A Boccaletti, J De Boer, ...
Astronomy & Astrophysics 595, A112, 2016
Differential Hanle effect and the spatial variation of turbulent magnetic fields on the Sun
JO Stenflo, CU Keller, A Gandorfer
Astronomy and Astrophysics, v. 329, p. 319-328 (1998) 329, 319-328, 1998
Sphere/zimpol high resolution polarimetric imager-i. system overview, psf parameters, coronagraphy, and polarimetry
HM Schmid, A Bazzon, R Roelfsema, D Mouillet, J Milli, F Menard, ...
Astronomy & Astrophysics 619, A9, 2018
New window for spectroscopy
JO Stenflo, CU Keller
Nature 382 (6592), 588-588, 1996
Polarimetric imaging mode of vlt/sphere/irdis-ii. characterization and correction of instrumental polarization effects
RG van Holstein, JH Girard, J De Boer, F Snik, J Milli, DM Stam, C Ginski, ...
Astronomy & Astrophysics 633, A64, 2020
Structure of solar magnetic fluxtubes from the inversion of Stokes spectra at disk center
CU Keller, O Steiner, JO Stenflo, SK Solanki
Astronomy and Astrophysics (ISSN 0004-6361), vol. 233, no. 2, July 1990, p …, 1990
Solar and space weather radiophysics: current status and future developments
DE Gary, CU Keller
Springer Science & Business Media, 2004
MagAO-X: project status and first laboratory results
JR Males, LM Close, K Miller, L Schatz, D Doelman, J Lumbres, F Snik, ...
Adaptive Optics Systems VI 10703, 76-89, 2018
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