Publications (114)
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
The recurrent nova V3890~Sgr: a near-infrared and optical study of the red giant component and its environment
B. Kaminsky, A. Evans, Ya. V. Pavlenko +8
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
Four decades of photometry of XX Trianguli, `the most spotted star' in the sky
Zs. KÅvári, K. G. Strassmeier, K. Oláh +3
Probing the atmosphere of HD189733b with the Na I and K I lines
E. Keles, D. Kitzmann, M. Mallonn +12
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
A search for Maunder-minimum candidate stars
S. P. Järvinen, K. G. Strassmeier
The PEPSI Exoplanet Transit Survey. III: The detection of FeI, CrI and TiI in the atmosphere of MASCARA-1 b through high-resolution emission spectroscopy
G. Scandariato, F. Borsa, A. S. Bonomo +19
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
Improving spectroscopic lithium abundances. Fitting functions for 3D non-LTE corrections in FGK stars of different metallicity
A. Mott, M. Steffen, E. Caffau +1
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
Surface image and activity-corrected orbit of the RS CVn binary HR 7275: Disentangling activity tracers
Ã. Adebali, M. Weber, K. G. Strassmeier +3
Deciphering the atmosphere of HAT-P-12b: solving discrepant results
X. Alexoudi, M. Mallonn, C. von Essen +9
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
The PEPSI Exoplanet Transit Survey (PETS). V: New Na D transmission spectra indicate a quieter atmosphere on HD 189733b
E. Keles, S. Czesla, K. Poppenhaeger +23
The rotation period distribution of the rich Pleiades-age Southern open cluster NGC 2516. Existence of a representative zero-age main sequence distribution
D. J. Fritzewski, S. A. Barnes, D. J. James +1
Comparing modal noise and FRD of circular and non-circular cross- section fibres
D. P. Sablowski, D. Plüschke, M. Weber +2
Rapid contraction of giant planets orbiting the 20 million-years old star V1298 Tau
A. Suárez Mascareño, M. Damasso, N. Lodieu +41
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
Antisolar differential rotation of slowly rotating cool stars
G. Rüdiger, M. Küker, P. Käpylä +1
Ellipsoidal primary of the RS CVn binary zeta And: Investigation using high-resolution spectroscopy and optical interferometry
H. Korhonen, M. Wittkowski, Zs. Kovari +3
A rotational age for the open cluster NGC 2281
D. J. Fritzewski, S. A. Barnes, J. Weingrill +3
A Unicorn in Monoceros: the $3M_\odot$ dark companion to the bright, nearby red giant V723 Mon is a non-interacting, mass-gap black hole candidate
T. Jayasinghe, K. Z. Stanek, Todd A. Thompson +18
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
First Doppler image and starspot-corrected orbit for $λ$ Andromedae: A multifaceted activity analysis
Ã. Adebali, K. G. Strassmeier, I. V. Ilyin +3
Magnetic activity on the young Sun: a case study of EK Draconis
A. Görgei, L. Kriskovics, K. Vida +8
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
Magnetic activity under tidal influences in the 2+2~hierarchical quadruple system V815 Herculis
Zs. KÅvári, K. G. Strassmeier, L. Kriskovics +5
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
Does the solar oxygen abundance change over the solar cycle? An investigation into activity-induced variations of the O I infrared triplet
A. G. M. Pietrow, M. Baratella, I. V. Ilyin +2
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
Hidden massive eclipsing binaries in red supergiant systems: The hierarchical triple system KQ Puppis and other candidates
D. Jadlovský, L. Molnár, A. Ercolino +26
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
The rapidly oscillating Ap star gamma Equ: linear polarization as an enhanced pulsation diagnostic?
S. Hubrig, S. P. Jarvinen, I. Ilyin +2
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
BRITE photometry and STELLA spectroscopy of bright stars in Auriga: Rotation, pulsation, orbits, and eclipses
K. G. Strassmeier, T. Granzer, M. Weber +7
Zeeman Doppler Imaging of ksi Boo A and B
K. G. Strassmeier, T. A. Carroll, I. V. Ilyin
High-resolution spectroscopy and spectropolarimetry of the total lunar eclipse January 2019
K. G. Strassmeier, I. Ilyin, E. Keles +5
Rotation periods for cool stars in the open cluster NGC 3532. The transition from fast to slow rotation
D. J. Fritzewski, S. A. Barnes, D. J. James +1
ANDES, the high resolution spectrograph for the ELT: science goals, project overview and future developments
A. Marconi, M. Abreu, V. Adibekyan +286
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
A star under multiple influences. Magnetic activity in V815 Her, a compact 2+2 hierarchical system
Zs. Kovari, K. G. Strassmeier, L. Kriskovics +7
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
Surface activity of a Rossby sequence of cool Hyades stars
K. G. Strassmeier, I. Ilyin, M. Steffen +1
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
Detection capability of ground-based meter-sized telescopes for shallow exoplanet transits
M. Mallonn, K. Poppenhaeger, T. Granzer +2