Publications (82)
Transmission spectroscopy of the hot Jupiter TrES-3 b: Disproof of an overly large Rayleigh-like feature
F. Mackebrandt, M. Mallonn, J. M. Ohlert +9
Large Binocular Telescope view of the atmosphere of GJ1214b
V. Nascimbeni, M. Mallonn, G. Scandariato +8
Spectroscopic membership for the populous 300 Myr-old open cluster NGC 3532
D. J. Fritzewski, S. A. Barnes, D. J. James +3
Time-series Doppler images and surface differential rotation of the effectively-single rapidly-rotating K-giant KU Pegasi
Zs. KÅvári, A. Künstler, K. G. Strassmeier +6
Deep probing of the photospheric sunspot penumbra: no evidence for magnetic field-free gaps
J. M. Borrero, A. Asensio Ramos, M. Collados +24
Surface velocity network with anti-solar differential rotation on the active K-giant $Ï$ Geminorum
Zs. Kõvári, J. Bartus, M. Švanda +4
Pulsation analysis and its impact on primary transit modeling in WASP-33
C. von Essen, S. Czesla, U. Wolter +6
Development of the opto-mechanical design for ICE-T
I. Di Varano, K. G. Strassmeier, T. Granzer +1
Doppler images and the underlying dynamo. The case of AF Leporis
S. P. Järvinen, R. Arlt, T. Hackman +6
First time-series optical photometry from Antarctica
K. G. Strassmeier, R. Briguglio, T. Granzer +11
Oscillations and magnetic fields in the G8 star EK Eridani
T. H. Dall, M. Cunha, K. G. Strassmeier +2
Upper Chromospheric Magnetic Field of a Sunspot Penumbra: Observations of Fine Structure
J. Joshi, A. Lagg, S. K. Solanki +22
Chromospheric features of LQ Hydrae from H-alpha line profiles
A. Frasca, Zs. Kovari, K. G. Strassmeier +1
Three-dimensional structure of a sunspot light bridge
T. Felipe, M. Collados, E. Khomenko +26
Inference of magnetic fields in the very quiet Sun
M. J. Mart\' inez González, A. Pastor Yabar, A. Lagg +29
Lithium abundance and 6Li/7Li ratio in the active giant HD123351 I. A comparative analysis of 3D and 1D NLTE line-profile fits
A. Mott, M. Steffen, E. Caffau +2
Antisolar differential rotation of the K1-giant sigma Geminorum revisited
Zs. Kovari, L. Kriskovics, A. Künstler +6
Challenges in optics for Extremely Large Telescope instrumentation
P. Spanò, F. M. Zerbi, C. J. Norrie +15
A fast method for Stokes profile synthesis -- Radiative transfer modeling for ZDI and Stokes profile inversion
T. A. Carroll, M. Kopf, K. G. Strassmeier
Robotic observations of the most eccentric spectroscopic binary in the sky
K. G. Strassmeier, M. Weber, T. Granzer
3D non-LTE corrections for Li abundance and 6Li/7Li isotopic ratio in solar-type stars I. Application to HD 207129 and HD 95456
G. Harutyunyan, M. Steffen, A. Mott +4
Time-series Doppler imaging of the red giant HD 208472. Active longitudes and differential rotation
O. Ãzdarcan, T. A. Carroll, A. Künstler +4
Study of FK Comae Berenices. II. Spot evolution from 1994 to 1997
H. Korhonen, S. V. Berdyugina, T. Hackman +2
Comparing modal noise and FRD of circular and non-circular cross- section fibres
D. P. Sablowski, D. Plüschke, M. Weber +2
Multiple and changing cycles of active stars II. Results
K. Oláh, Z. Kolláth, T. Granzer +8
The chromospherically active binary star EI Eridani II. Long-term Doppler imaging
A. Washuettl, K. G. Strassmeier, M. Weber
Photospheric Magnetic Fields of the Trailing Sunspots in Active Region NOAA 12396
M. Verma, H. Balthasar, C. Denker +27
Chromospherically Active Stars in the RAVE Survey. I. The Catalogue
M. Žerjal, T. Zwitter, G. MatijeviÄ +15
PEPSI: The high-resolution echelle spectrograph and polarimeter for the Large Binocular Telescope
K. G. Strassmeier, I. Ilyin, A. Järvinen +26
Ellipsoidal primary of the RS CVn binary zeta And: Investigation using high-resolution spectroscopy and optical interferometry
H. Korhonen, M. Wittkowski, Zs. Kovari +3
Long-term photometry of three active red giants in close binary systems: V2253 Oph, IT Com and IS Vir
K. Oláh, A. Moór, K. G. Strassmeier +2
Rotation, activity, and lithium abundance in cool binary stars
K. G. Strassmeier, M. Weber, T. Granzer +1
Zeeman-Doppler Imaging of Late-Type Stars -- The Surface Magnetic Field of II Peg
T. A. Carroll, M. Kopf, I. Ilyin +1
Horizontal flow fields in and around a small active region-- The transition period between flux emergence and decay
M. Verma, C. Denker, H. Balthasar +28
Rotation--differential rotation relationships for late-type single and binary stars from Doppler imaging
Zs. KÅvári, K. Oláh, L. Kriskovics +3
Detecting and quantifying stellar magnetic fields -- Sparse Stokes profile approximation using orthogonal matching pursuit
T. A. Carroll, K. G. Strassmeier
Solar Physics and the Solar-Stellar Connection at Dome C
C. Denker, K. G. Strassmeier
Multi-Site observations of SU Aurigae
Y. C. Unruh, J. -F. Donati, J. M. Oliveira +20
A new concept and a preliminary design for a high resolution (HR) and very-high resolution (VHR) spectrograph for the LBT
F. M. Zerbi, P. Spano', P. Conconi +4
Ephemeris refinement of 21 Hot Jupiter exoplanets with high timing uncertainties
M. Mallonn, C. von Essen, E. Herrero +32
PEPSI deep spectra. I. The Sun-as-a-star
K. G. Strassmeier, I. Ilyin, M. Steffen
Zeeman-Doppler Imaging of II Peg - Magnetic field restructuring from 2004 to 2007
T. A. Carroll, M. Kopf, K. G. Strassmeier +2
Slipping reconnection in a solar flare observed in high resolution with the GREGOR solar telescope
M. Sobotka, J. DudÃk, C. Denker +23
Spectropolarimetric observations of an arch filament system with the GREGOR solar telescope
H. Balthasar, P. Gömöry, S. J. González Manrique +27
Chemical composition of a sample of bright solar-metallicity stars
E. Caffau, A. Mott, M. Steffen +5
Solar-like oscillations and magnetic activity of the slow rotator EK Eri
T. H. Dall, H. Bruntt, D. Stello +1
A retrospective of the GREGOR solar telescope in scientific literature
C. Denker, O. von der Lühe, A. Feller +33
The first close-up of the "flip-flop" phenomenon in a single star
H. Korhonen, S. V. Berdyugina, K. G. Strassmeier +1
Zeeman-Doppler Imaging : Old Problems and New Methods
T. A. Carroll, M. Kopf, K. G. Strassmeier +1
Binarity, activity and metallicity among late-type stars I. Methodology and application to HD 27536 and HD 216803
T. H. Dall, H. Bruntt, K. G. Strassmeier +1
Binary-induced magnetic activity? Time-series echelle spectroscopy and photometry of HD123351 = CZ CVn
K. G. Strassmeier, T. A. Carroll, M. Weber +4
Active region fine structure observed at 0.08 arcsec resolution
R. Schlichenmaier, O. von der Lühe, S. Hoch +19
Short-term evolution and coexistence of spots, plages and flare activity on LQ Hydrae
M. Flores Soriano, K. G. Strassmeier
Low albedos of hot to ultra-hot Jupiters in the optical to near-infrared transition regime
M. Mallonn, J. Köhler, X. Alexoudi +4
Broad-band spectrophotometry of the hot Jupiter HAT-P-12b from the near-UV to the near-IR
M. Mallonn, V. Nascimbeni, J. Weingrill +13
PEPSI deep spectra. III. A chemical analysis of the ancient planet-host star Kepler-444
C. E. Mack, K. G. Strassmeier, I. Ilyin +3
The PLATO 2.0 Mission
H. Rauer, C. Catala, C. Aerts +159
Magnetic field measurements of $ε$ Eridani from Zeeman broadening
L. T. Lehmann, A. Künstler, T. A. Carroll +1
GJ1214: Rotation period, starspots, and uncertainty on the optical slope of the transmission spectrum
M. Mallonn, E. Herrero, I. G. Juvan +6
Surface magnetism of cool stars
O. Kochukhov, P. Petit, K. G. Strassmeier +10
Cycle period, differential rotation and meridional flow for early M dwarf stars
M. Küker, G. Rüdiger, K. Oláh +1
The chromospherically active binary star EI Eridani I. Absolute dimensions
A. Washuettl, K. G. Strassmeier, T. Granzer +2
Spot evolution on the red giant star XX Triangulum. A starspot-decay analysis based on time-series Doppler imaging
A. Künstler, T. A. Carroll, K. G. Strassmeier
Warm and cool starspots with opposite polarities. A high-resolution Zeeman-Doppler-Imaging study of II Pegasi with PEPSI
K. G. Strassmeier, T. A. Carroll, I. V. Ilyin
Mapping EK Draconis with PEPSI - Possible evidence for starspot penumbrae
S. P. Järvinen, K. G. Strassmeier, T. A. Carroll +2
Anti-solar differential rotation and surface flow pattern on UZ Librae
K. Vida, Zs. KÅvári, M. Å vanda +4
Anti-solar differential rotation on the active sub-giant HU Virginis
G. Harutyunyan, K. G. Strassmeier, A. Künstler +2
First measurement of the magnetic field on FK Com and its relation to the contemporaneous starspot locations
H. Korhonen, S. Hubrig, S. V. Berdyugina +5
Antisolar differential rotation with surface lithium enrichment on the single K-giant V1192 Orionis
Zs. KÅvári, K. G. Strassmeier, T. A. Carroll +7
Flows in and around active region NOAA12118 observed with the GREGOR solar telescope and SDO/HMI
M. Verma, C. Denker, H. Balthasar +28
Flows along arch filaments observed in the GRIS 'very fast spectroscopic mode'
S. J. González Manrique, C. Denker, C. Kuckein +28
The Magnetic Topology of the Weak-Lined T Tauri Star V410 - A Simultaneous Temperature and Magnetic Field Inversion
T. A. Carroll, K. G. Strassmeier, J. B. Rice +1
PLATO as it is: a legacy mission for Galactic archaeology
A. Miglio, C. Chiappini, B. Mosser +102
PEPSI deep spectra. II. Gaia benchmark stars and other M-K standards
K. G. Strassmeier, I. Ilyin, M. Weber
Doppler imaging of stellar surface structure - XXIV. The lithium-rich single K-giants DP Canum Venaticorum and DI Piscium
Zs. Kovari, H. Korhonen, K. G. Strassmeier +3
Transmission spectroscopy of the inflated exo-Saturn HAT-P-19b
M. Mallonn, C . von Essen, J. Weingrill +7
A temperature inversion in WASP-33b? Large Binocular Telescope occultation data confirm significant thermal flux at short wavelengths
C. von Essen, M. Mallonn, S. Albrecht +4
Spectropolarimetric Observations of an Arch Filament System with GREGOR
H. Balthasar, P. Gömöry, S. J. González Manrique +16
Broad-band spectrophotometry of HAT-P-32 b: Search for a scattering signature in the planetary spectrum
M. Mallonn, I. Bernt, E. Herrero +12
Surface magnetic activity of the fast-rotating G5-giant IN Comae, central star of the faint planetary nebula LoTr 5
Zs. KÅvári, K. G. Strassmeier, K. Oláh +8
Fitting peculiar spectral profiles in He I 10830 Ã absorption features
S. J. González Manrique, C. Kuckein, A. Pastor Yabar +28
Magnitude-range brightness variations of overactive K giants
K. Oláh, A. Moór, Zs. KÅvári +4