Publications (213)
The CARMENES search for exoplanets around M dwarfs. Diagnostic capabilities of strong K I lines for photosphere and chromosphere
B. Fuhrmeister, S. Czesla, E. Nagel +20
Magnetic fields in X-ray emitting A-type stars
C. Schroeder, S. Hubrig, J. H. M. M. Schmitt
A posteriori noise estimation in variable data sets
S. Czesla, T. Molle, J. H. M. M. Schmitt
Strong latitudinal shear in the shallow convection zone of a rapidly rotating A-star
A. Reiners, M. Huensch, M. Hempel +1
Prominence activation, optical flare, and post-flare loops on the RS Canum Venaticorum star SZ Piscium
Dongtao Cao, Shenghong Gu, Jian Ge +7
Proxima Centauri -- the nearest planet host observed simultaneously with AstroSat, Chandra and HST
S. Lalitha, J. H. M. M. Schmitt, K. P. Singh +6
Soft coronal X-rays from β Pictoris
H. M. Günther, S. J. Wolk, J. J. Drake +3
A spatially resolved limb flare on Algol B observed with XMM-Newton
J. H. M. M. Schmitt, J. -U. Ness, G. Franco
The corona -- chromosphere connection studied with simultaneous eROSITA and TIGRE observations
B. Fuhrmeister, J. Robrade, J. N. Gonzalez-Perez +3
Spot evolution in the eclipsing binary CoRoT 105895502
S. Czesla, S. Terzenbach, R. Wichmann +1
Coronal X-ray emission and planetary irradiation in HD 209458
S. Czesla, M. Salz, P. C. Schneider +2
A multi-wavelength view of AB Dor's outer atmosphere - Simultaneous X-ray and optical spectroscopy at high cadence
S. Lalitha, B. Fuhrmeister, U. Wolter +3
Long-term variations in the X-ray activity of HR 1099
V. Perdelwitz, F. H. Navarrete, J. Zamponi +6
The CARMENES search for exoplanets around M dwarfs. Guaranteed time observations Data Release 1 (2016-2020)
I. Ribas, A. Reiners, M. Zechmeister +102
The CARMENES search for exoplanets around M dwarfs: High-resolution optical and near-infrared spectroscopy of 324 survey stars
A. Reiners, M. Zechmeister, J. A. Caballero +170
X-ray accretion signatures in the close CTTS binary V4046 Sgr
H. M. Günther, C. Liefke, J. H. M. M. Schmitt +2
The CARMENES search for exoplanets around M dwarfs. Radial velocities and activity indicators from cross-correlation functions with weighted binary masks
M. Lafarga, I. Ribas, C. Lovis +24
An algorithm for correcting CoRoT raw light curves
D. Mislis, J. H. M. M. Schmitt, L. Carone +2
Discovery of X-ray flaring on the magnetic Bp-star sigma Ori E
D. Groote, J. H. M. M. Schmitt
X-ray emission from the super-Earth host GJ 1214
S. Lalitha, K. Poppenhaeger, K. P. Singh +2
Neon and oxygen in low activity stars: towards a coronal unification with the Sun
J. Robrade, J. H. M. M. Schmitt, F. Favata
Structure and variability in the corona of the ultrafast rotator LO Peg
S. Lalitha, J. H. M. M. Schmitt, K. P. Singh
The CARMENES search for exoplanets around M dwarfs: Different roads to radii and masses of the target stars
Andreas Schweitzer, V. M. Passegger, C. Cifuentes +28
Simultaneous X-ray and optical spectroscopy of the Oef supergiant lambda Cep
G. Rauw, A. Herve, Y. Naze +8
The CARMENES search for exoplanets around M dwarfs. Chromospheric modeling of M2-3 V stars with PHOENIX
D. Hintz, B. Fuhrmeister, S. Czesla +26
Coronal and chromospheric activity of Teegarden's star
B. Fuhrmeister, J. H. M. M. Schmitt, A. Reienrs +10
Connecting the formation of stars and planets. I -- Spectroscopic characterization of host stars with TIGRE
L. M. Flor-Torres, R. Coziol, K. -P. Schröder +3
Swift X-ray Observations of Classical Novae
J. -U. Ness, G. J. Schwarz, A. Retter +5
X-raying the Sco-Cen OB association: The low-mass stellar population revealed by eROSITA
J. H. M. M. Schmitt, S. Czesla, S. Freund +2
Multiepoch, multiwavelength study of accretion onto T Tauri: X-ray versus optical and UV accretion tracers
P. C. Schneider, H. M. Günther, J. Robrade +2
Transit observations of the Hot Jupiter HD 189733b at X-ray wavelengths
K. Poppenhaeger, J. H. M. M. Schmitt, S. J. Wolk
Connecting the formation of stars and planets. II: coupling the angular momentum of stars with the angular momentum of planets
L. M. Flor-Torres, R. Coziol, K. -P. Schröder +2
Carrington cycle 24: The solar chromospheric emission in a historical and stellar perspective
K. -P. Schroder, M. Mittag, J. H. M. M. Schmitt +3
Coronal properties of the EQ Peg binary system
C. Liefke, J. -U. Ness, J. H. M. M. Schmitt +1
A planetary eclipse map of CoRoT-2a. Comprehensive lightcurve modeling combining rotational-modulation and transits
K. F. Huber, S. Czesla, U. Wolter +1
Detection of differential rotation in psi Cap with profile analysis
A. Reiners, J. H. M. M. Schmitt, M. Kuerster
Coronal density diagnostics with Helium-like triplets: CHANDRA--LETGS observations of Algol, Capella, Procyon, Eps Eri, Alpha Cen A&B, UX Ari, AD Leo, YY Gem, and HR1099
J. -U. Ness, J. H. M. M. Schmitt, V. Burwitz +5
Where are the hot ion lines in classical T Tauri stars formed?
H. M. Günther, J. H. M. M. Schmitt
Estimating transiting exoplanet masses from precise optical photometry
D. Mislis, R. Heller, J. H. M. M. Schmitt +1
51 Pegasi - a planet-bearing Maunder minimum candidate
K. Poppenhaeger, J. Robrade, J. H. M. M. Schmitt +1
Long-term stability of spotted regions and the activity-induced Rossiter-McLaughlin effect on V889 Herculis. A synergy of photometry, radial velocity measurements, and Doppler imaging
K. F. Huber, U. Wolter, S. Czesla +4
A Systematic Study Of X-Ray Variability In The ROSAT All-Sky Survey
B. Fuhrmeister, J. H. M. M. Schmitt
The CARMENES search for exoplanets around M dwarfs. Dynamical characterization of the multiple planet system GJ 1148 and prospects of habitable exomoons around GJ 1148 b
T. Trifonov, M. H. Lee, M. Kürster +29
A consistent analysis of three years of ground- and space-based photometry of TrES-2
S. Schröter, J. H. M. M. Schmitt, H. M. Müller
Altair - the 'hottest' magnetically active star in X-rays
J. Robrade, J. H. M. M. Schmitt
NEXXUS: A comprehensive ROSAT survey of coronal X-ray emission among nearby solar-like stars
J. H. M. M. Schmitt, C. Liefke
The eROSITA Final Equatorial-Depth Survey (eFEDS). The stellar counterparts of eROSITA sources identified by machine learning and Bayesian algorithms
P. C. Schneider, S. Freund, S. Czesla +3
Microwave plasma emission of a flare on AD Leo
A. V. Stepanov, B. Kliem, V. V. Zaitsev +5
X-raying the AU Microscopii debris disk
P. C. Schneider, J. H. M. M. Schmitt
Quiescent and flaring X-ray emission from the nearby M/T dwarf binary SCR 1845-6357
J. Robrade, K. Poppenhaeger, J. H. M. M. Schmitt
A deep XMM-Newton X-ray observation of the Chamaeleon I dark cloud
J. Robrade, J. H. M. M. Schmitt
The nature of the 2014-2015 dim state of RW Aur revealed by X-ray, optical, and NIR observations
P. C. Schneider, H. M. Günther, J. Robrade +7
Field ZAMS stars in the solar neighborhood: Where have they come from ?
R. Wichmann, J. H. M. M. Schmitt
The stellar content of the ROSAT all-sky survey
S. Freund, S. Czesla, J. Robrade +2
The high-energy environment of the heavy sub-Earth GJ 367 b indicates likely complete evaporation of its atmosphere
K. Poppenhaeger, L. Ketzer, N. Ilic +5
High-energy irradiation and mass loss rates of hot Jupiters in the solar neighborhood
M. Salz, P. C. Schneider, S. Czesla +1
The stellar corona-chromosphere connection. A comprehensive study of X-ray and Ca II IRT fluxes from eROSITA and Gaia
S. Freund, S. Czesla, B. Fuhrmeister +4
The joint XMM-Newton and Chandra view of YY Gem
B. Stelzer, V. Burwitz, R. Neuhaeuser +2
DN Tauri - coronal activity and accretion in a young low-mass CTTS
J. Robrade, M. Guedel, H. M. Guenther +1
The Chandra X-ray view of the power sources in Cepheus A
P. C. Schneider, H. M. Guenther, J. H. M. M. Schmitt
Are stellar coronae optically thin in X-rays? - A systematic investigation of opacity effects
J. -U. Ness, J. H. M. M. Schmitt, M. Audard +2
An X-ray emission line spectrum of Nova V382 Velorum 1999
J. -U. Ness, S. Starrfield, C. Jordan +2
First Light Measurements of Capella with the Low Energy Transmission Grating Spectrometer aboard the Chandra X-ray Observatory
A. C. Brinkman, C. J. T. Gunsing, J. S. Kaastra +20
X-ray activity cycles in stellar coronae
J. Robrade, J. H. M. M. Schmitt, A. Hempelmann
A search for star-planet interactions in the upsilon Andromedae system at X-ray and optical wavelengths
K. Poppenhaeger, L. F. Lenz, A. Reiners +2
Modelling telluric line spectra in the optical and infrared with an application to VLT/X-Shooter spectra
N. Rudolf, H. M. Günther, P. C. Schneider +1
Exoplanetary atmospheric sodium revealed by the orbital motion. Narrow-band transmission spectroscopy of HD 189733b with UVES
S. Khalafinejad, C. von Essen, H. J. Hoeijmakers +8
HST FUV C IV observations of the hot DG Tauri jet
P. C. Schneider, J. Eisloeffel, M. Guedel +4
New X-ray observations of IQ Aurigae and alpha2 Canum Venaticorum - Probing the magnetically channelled wind shock model in A0p stars
J. Robrade, J. H. M. M. Schmitt
Further X-ray detections of Herbig stars
B. Stelzer, J. Robrade, J. H. M. M. Schmitt +1
The disk-bearing young star IM Lup
H. M. Guenther, S. P. Matt, J. H. M. M. Schmitt +3
The stellar content of the XMM-Newton slew survey
S. Freund, J. Robrade, C. Schneider +1
The absence of sub-minute periodicity in classical T Tauri stars
H. M. Günther, N. Lewandowska, M. P. G. Hundertmark +6
The CARMENES search for exoplanets around M dwarfs. The He I infrared triplet lines in PHOENIX models of M2-3 V stars
D. Hintz, B. Fuhrmeister, S. Czesla +25
Study of the variability of Nova V5668 Sgr, based on high resolution spectroscopic monitoring
D. Jack, J. de J. Robles Pérez, I. De Gennaro Aquino +9
Coronal activity cycles in action - X-rays from alpha Centauri A/B
J. Robrade, J. H. M. M. Schmitt
A magnetic cycle of tau Bootis? The coronal and chromospheric view
K. Poppenhaeger, H. M. Guenther, J. H. M. M. Schmitt
The study on transiting systems HAT-P-13, HAT-P-16 and WASP-32 through combining ground-based and TESS photometry
L. Sun, S. Gu, X. Wang +3
Keeping up with the cool stars: One TESS year in the life of AB Doradus
P. Ioannidis, J. H. M. M. Schmitt
The CARMENES search for exoplanets around M dwarfs: Wing asymmetries of H$α$, Na I D, and He I lines
B. Fuhrmeister, S. Czesla, J. H. M. M. Schmitt +13
Apsidal motion in the massive binary HD152218
G. Rauw, S. Rosu, A. Noels +5
The X-ray cycle in the solar-type star HD 81809
F. Favata, G. Micela, S. Orlando +3
The CARMENES search for exoplanets around M dwarfs. Variability on long timescales as seen in chromospheric indicators
B. Fuhrmeister, S. Czesla, V. Perdelwitz +19
Quiescent X-ray emission from the M9 dwarf LHS 2065
J. Robrade, J. H. M. M. Schmitt
Outstanding X-ray emission from the stellar radio pulsar CU Virginis
J. Robrade, L. M. Oskinova, J. H. M. M. Schmitt +2
The CARMENES search for exoplanets around M dwarfs: The warm super-Earths in twin orbits around the mid-type M dwarfs Ross 1020 (GJ 3779) and LP 819-052 (GJ 1265)
R. Luque, G. Nowak, E. Pallé +27
The CARMENES search for exoplanets around M dwarfs. A super-Earth planet orbiting HD 79211 (GJ 338 B)
E. González-Ãlvarez, M. R. Zapatero Osorio, J. A. Caballero +27
Swift UVOT near-UV transit observations of WASP-121 b
M. Salz, P. C. Schneider, L. Fossati +3
Helium-like triplet density diagnostics: Applications to CHANDRA--LETGS X-ray observations of Capella and Procyon
J. U. Ness, R. Mewe, J. H. M. M. Schmitt +6
Multiwavelength observations of a giant flare on CN Leonis I. The chromosphere as seen in the optical spectra
B. Fuhrmeister, C. Liefke, J. H. M. M. Schmitt +1
H$α$ and He I absorption in HAT-P-32 b observed with CARMENES -- Detection of Roche lobe overflow and mass loss
S. Czesla, M. Lampón, J. Sanz-Forcada +22
Star-planet interactions and selection effects from planet detection methods
K. Poppenhaeger, J. H. M. M. Schmitt
The first Doppler imaging of the active binary prototype RS Canum Venaticorum
Yue Xiang, Shenghong Gu, U. Wolter +6
Magnetic activity of the solar-like star HD 140538
M. Mittag, J. H. M. M. Schmitt, T. S. Metcalfe +2
Intriguing X-ray and optical variations of the gamma Cas analog HD45314
G. Rauw, Y. Nazé, M. A. Smith +11
Multiple water band detections in the CARMENES near-infrared transmission spectrum of HD 189733 b
F. J. Alonso-Floriano, A. Sánchez-López, I. A. G. Snellen +27
Glimpses of stellar surfaces. II. Origins of the photometric modulations and timing variations of KOI-1452
P. Ioannidis, J. H. M. M. Schmitt
The CARMENES search for exoplanets around M dwarfs. The He I triplet at 10830 $\mathrmà \,$ across the M dwarf sequence
B. Fuhrmeister, S. Czesla, L. Hildebrandt +24
The CARMENES search for exoplanets around M dwarfs -- Photospheric parameters of target stars from high-resolution spectroscopy. II. Simultaneous multiwavelength range modeling of activity insensitive lines
V. M. Passegger, A. Schweitzer, D. Shulyak +25
The CARMENES search for exoplanets around M dwarfs - The enigmatic planetary system GJ 4276: One eccentric planet or two planets in a 2:1 resonance?
E. Nagel, S. Czesla, J. H. M. M. Schmitt +25