Nikolai Piskunov
Professor vid Institutionen för fysik och astronomi; Astronomi och rymdfysik
- Telefon:
- 018-471 59 58
- E-post:
- nikolai.piskunov@physics.uu.se
- Besöksadress:
- Ångströmlaboratoriet, Regementsvägen 10
752 37 Uppsala - Postadress:
- Box 516
751 20 UPPSALA
- Akademiska meriter:
- PhD

Publikationer
Senaste publikationer
Abundance analysis of benchmark M dwarfs
Ingår i Astronomy and Astrophysics, 2025
- DOI för Abundance analysis of benchmark M dwarfs
- Ladda ner fulltext (pdf) av Abundance analysis of benchmark M dwarfs
Retrieving wind properties from the ultra-hot dayside of WASP-189 b with CRIRES+
Ingår i Astronomy and Astrophysics, 2025
- DOI för Retrieving wind properties from the ultra-hot dayside of WASP-189 b with CRIRES+
- Ladda ner fulltext (pdf) av Retrieving wind properties from the ultra-hot dayside of WASP-189 b with CRIRES+
Ingår i Astronomy and Astrophysics, 2025
- DOI för Retrieving day- and nightside atmospheric properties of the ultra-hot Jupiter TOI-2109b Detection of Fe and CO emission lines and evidence for inefficient heat transport
- Ladda ner fulltext (pdf) av Retrieving day- and nightside atmospheric properties of the ultra-hot Jupiter TOI-2109b Detection of Fe and CO emission lines and evidence for inefficient heat transport
Ingår i Astronomy and Astrophysics, 2025
- DOI för viper: High-precision radial velocities from the optical to the infrared Reaching 3 m/s in the K band of CRIRES+ with telluric modelling
- Ladda ner fulltext (pdf) av viper: High-precision radial velocities from the optical to the infrared Reaching 3 m/s in the K band of CRIRES+ with telluric modelling
Ingår i Astronomy and Astrophysics, 2025
- DOI för Comparative study of small-scale magnetic fields on ξ Boo A using optical and near-infrared spectroscopy
- Ladda ner fulltext (pdf) av Comparative study of small-scale magnetic fields on ξ Boo A using optical and near-infrared spectroscopy
Alla publikationer
Artiklar i tidskrift
Abundance analysis of benchmark M dwarfs
Ingår i Astronomy and Astrophysics, 2025
- DOI för Abundance analysis of benchmark M dwarfs
- Ladda ner fulltext (pdf) av Abundance analysis of benchmark M dwarfs
Retrieving wind properties from the ultra-hot dayside of WASP-189 b with CRIRES+
Ingår i Astronomy and Astrophysics, 2025
- DOI för Retrieving wind properties from the ultra-hot dayside of WASP-189 b with CRIRES+
- Ladda ner fulltext (pdf) av Retrieving wind properties from the ultra-hot dayside of WASP-189 b with CRIRES+
Ingår i Astronomy and Astrophysics, 2025
- DOI för Retrieving day- and nightside atmospheric properties of the ultra-hot Jupiter TOI-2109b Detection of Fe and CO emission lines and evidence for inefficient heat transport
- Ladda ner fulltext (pdf) av Retrieving day- and nightside atmospheric properties of the ultra-hot Jupiter TOI-2109b Detection of Fe and CO emission lines and evidence for inefficient heat transport
Ingår i Astronomy and Astrophysics, 2025
- DOI för viper: High-precision radial velocities from the optical to the infrared Reaching 3 m/s in the K band of CRIRES+ with telluric modelling
- Ladda ner fulltext (pdf) av viper: High-precision radial velocities from the optical to the infrared Reaching 3 m/s in the K band of CRIRES+ with telluric modelling
Ingår i Astronomy and Astrophysics, 2025
- DOI för Comparative study of small-scale magnetic fields on ξ Boo A using optical and near-infrared spectroscopy
- Ladda ner fulltext (pdf) av Comparative study of small-scale magnetic fields on ξ Boo A using optical and near-infrared spectroscopy
Ingår i Astronomy and Astrophysics, 2025
- DOI för CRIRES+ transmission spectroscopy of WASP-127 b: Detection of the resolved signatures of a supersonic equatorial jet and cool poles in a hot planet
- Ladda ner fulltext (pdf) av CRIRES+ transmission spectroscopy of WASP-127 b: Detection of the resolved signatures of a supersonic equatorial jet and cool poles in a hot planet
Optimising spectroscopic observations of transiting exoplanets
Ingår i Astronomy and Astrophysics, 2024
- DOI för Optimising spectroscopic observations of transiting exoplanets
- Ladda ner fulltext (pdf) av Optimising spectroscopic observations of transiting exoplanets
Ingår i Astronomy and Astrophysics, 2024
- DOI för The overflowing atmosphere of WASP-121 b High-resolution He I λ10833 transmission spectroscopy with VLT/CRIRES+
- Ladda ner fulltext (pdf) av The overflowing atmosphere of WASP-121 b High-resolution He I λ10833 transmission spectroscopy with VLT/CRIRES+
Ingår i Astronomy and Astrophysics, 2024
- DOI för A conclusive non-detection of magnetic field in the Am star o Peg with high-precision near-infrared spectroscopy
- Ladda ner fulltext (pdf) av A conclusive non-detection of magnetic field in the Am star o Peg with high-precision near-infrared spectroscopy
Secular stability of surface abundance structures in the rapidly rotating Ap star 56 Ari
Ingår i Astronomy and Astrophysics, 2024
- DOI för Secular stability of surface abundance structures in the rapidly rotating Ap star 56 Ari
- Ladda ner fulltext (pdf) av Secular stability of surface abundance structures in the rapidly rotating Ap star 56 Ari
The mean longitudinal magnetic field and its uses in radial-velocity surveys
Ingår i Monthly notices of the Royal Astronomical Society, s. 2741-2762, 2024
- DOI för The mean longitudinal magnetic field and its uses in radial-velocity surveys
- Ladda ner fulltext (pdf) av The mean longitudinal magnetic field and its uses in radial-velocity surveys
Exploring the ultra-hot Jupiter WASP-178b
Ingår i Astronomy and Astrophysics, 2024
Continuous ultraviolet to blue-green astrocomb
Ingår i Nature Communications, 2024
- DOI för Continuous ultraviolet to blue-green astrocomb
- Ladda ner fulltext (pdf) av Continuous ultraviolet to blue-green astrocomb
Determination of small-scale magnetic fields on Sun-like stars in the near-infrared using CRIRES+
Ingår i Astronomy and Astrophysics, 2023
- DOI för Determination of small-scale magnetic fields on Sun-like stars in the near-infrared using CRIRES+
- Ladda ner fulltext (pdf) av Determination of small-scale magnetic fields on Sun-like stars in the near-infrared using CRIRES+
Doppler imaging of a southern ApSi star HD 152564
Ingår i Monthly notices of the Royal Astronomical Society, s. 10376-10387, 2023
- DOI för Doppler imaging of a southern ApSi star HD 152564
- Ladda ner fulltext (pdf) av Doppler imaging of a southern ApSi star HD 152564
Ingår i Astronomy and Astrophysics, 2023
- DOI för CRIRES+ detection of CO emissions lines and temperature inversions on the dayside of WASP-18b and WASP-76b
- Ladda ner fulltext (pdf) av CRIRES+ detection of CO emissions lines and temperature inversions on the dayside of WASP-18b and WASP-76b
Retrieval of the dayside atmosphere of WASP-43b with CRIRES+
Ingår i Astronomy and Astrophysics, 2023
- DOI för Retrieval of the dayside atmosphere of WASP-43b with CRIRES+
- Ladda ner fulltext (pdf) av Retrieval of the dayside atmosphere of WASP-43b with CRIRES+
Ingår i Astronomy and Astrophysics, 2023
- DOI för CRIRES+ on sky at the ESO Very Large Telescope: Observing the Universe at infrared wavelengths and high spectral resolution
- Ladda ner fulltext (pdf) av CRIRES+ on sky at the ESO Very Large Telescope: Observing the Universe at infrared wavelengths and high spectral resolution
PySME: Spectroscopy Made Easier
Ingår i Astronomy and Astrophysics, 2023
Using Molecular Lines to Determine Carbon and Nitrogen Abundances in the Atmospheres of Cool Stars
Ingår i Atoms, 2022
- DOI för Using Molecular Lines to Determine Carbon and Nitrogen Abundances in the Atmospheres of Cool Stars
- Ladda ner fulltext (pdf) av Using Molecular Lines to Determine Carbon and Nitrogen Abundances in the Atmospheres of Cool Stars
Optimal extraction of echelle spectra: Getting the most out of observations
Ingår i Astronomy and Astrophysics, 2021
- DOI för Optimal extraction of echelle spectra: Getting the most out of observations
- Ladda ner fulltext (pdf) av Optimal extraction of echelle spectra: Getting the most out of observations
Ingår i Monthly notices of the Royal Astronomical Society, s. 3304-3320, 2021
Ingår i Solar Physics, 2021
- DOI för Accurate Short-Characteristics Radiative Transfer in A Numerical Tool for Astrophysical RESearch (ANTARES)
- Ladda ner fulltext (pdf) av Accurate Short-Characteristics Radiative Transfer in A Numerical Tool for Astrophysical RESearch (ANTARES)
A Decade with VAMDC: Results and Ambitions
Ingår i Atoms, 2020
- DOI för A Decade with VAMDC: Results and Ambitions
- Ladda ner fulltext (pdf) av A Decade with VAMDC: Results and Ambitions
Starspot activity of HD199178 Doppler images from 1994-2017
Ingår i Astronomy and Astrophysics, 2019
Ingår i Astronomy and Astrophysics, 2019
Hyperfine Splitting in the VALD Database of Spectral-line Parameters
Ingår i Astronomy reports (Print), s. 1010-1021, 2019
Evaluation of the Recent Atomic Data for Fe i Lines Based on Solar and Stellar Spectra
Ingår i Solar Physics, 2019
Spot evolution on LQ Hya from 2006-2017: temperature maps based on SOFIN and FIES data
Ingår i Astronomy and Astrophysics, 2019
- DOI för Spot evolution on LQ Hya from 2006-2017: temperature maps based on SOFIN and FIES data
- Ladda ner fulltext (pdf) av Spot evolution on LQ Hya from 2006-2017: temperature maps based on SOFIN and FIES data
Long-term spot monitoring of the young solar analogue V889 Herculis
Ingår i Astronomy and Astrophysics, 2019
VALD: The Meeting Point of Data Producers and Data Users
Ingår i Galaxies, 2018
- DOI för VALD: The Meeting Point of Data Producers and Data Users
- Ladda ner fulltext (pdf) av VALD: The Meeting Point of Data Producers and Data Users
Model-independent Exoplanet Transit Spectroscopy
Ingår i Astronomical Journal, 2018
Inside a VAMDC data node-putting standards into practical software
Ingår i Physica Scripta, 2018
Spectroscopy Made Easy: Evolution
Ingår i Astronomy and Astrophysics, 2017
Accuracy of atmospheric parameters of FGK dwarfs determined by spectrum fitting
Ingår i Monthly notices of the Royal Astronomical Society, s. 1221-1234, 2016
Spectral Properties Of Cool Stars: Extended Abundance Analysis Of 1,617 Planet-Search Stars
Ingår i Astrophysical Journal Supplement Series, 2016
Scientific problems addressed by the Spektr-UV space project (world space Observatory-Ultraviolet)
Ingår i Astronomy reports (Print), s. 1-42, 2016
The virtual atomic and molecular data centre (VAMDC) consortium
Ingår i Journal of Physics B, 2016
- DOI för The virtual atomic and molecular data centre (VAMDC) consortium
- Ladda ner fulltext (pdf) av The virtual atomic and molecular data centre (VAMDC) consortium
Ingår i Experimental astronomy, s. 329-391, 2015
Magnetic field topology and chemical spot distributions in the extreme Ap star HD 75049
Ingår i Astronomy and Astrophysics, 2015
A major upgrade of the VALD database
Ingår i Physica Scripta, 2015
Doppler imaging of LQ Hydrae for 1998-2002
Ingår i Astronomy and Astrophysics, 2015
Serendipitous Discovery of a Dwarf Nova in the Kepler Field Near the G Dwarf Kic 5438845
Ingår i Astronomical Journal, 2015
Ingår i Monthly notices of the Royal Astronomical Society, s. 3038-3052, 2015
Accurate Gravities of F, G, and K Stars from High Resolution Spectra Without External Constraints
Ingår i Astrophysical Journal, 2015
Using near-infrared spectroscopy for characterization of transiting exoplanets
Ingår i Astronomy and Astrophysics, 2015
Ingår i Astronomy and Astrophysics, 2015
- DOI för Three-dimensional magnetic and abundance mapping of the cool Ap star HD 24712 II. Two-dimensional magnetic Doppler imaging in all four Stokes parameters
- Ladda ner fulltext (pdf) av Three-dimensional magnetic and abundance mapping of the cool Ap star HD 24712 II. Two-dimensional magnetic Doppler imaging in all four Stokes parameters
Doppler images of DI Piscium during 2004-2006
Ingår i Astronomy and Astrophysics, 2014
Exploring the magnetic field complexity in M dwarfs at the boundary to full convection
Ingår i Astronomy and Astrophysics, 2014
Radial velocity signatures of Zeeman broadening
Ingår i Astronomy and Astrophysics, 2013
Magnetically Controlled Accretion on the Classical T Tauri Stars GQ Lupi and TW Hydrae
Ingår i Astrophysical Journal, s. 11, 2013
Delo-bezier formal solutions of the polarized radiative transfer equation
Ingår i Astrophysical Journal, s. 33, 2013
Are there tangled magnetic fields on HgMn stars?
Ingår i Astronomy and Astrophysics, 2013
- DOI för Are there tangled magnetic fields on HgMn stars?
- Ladda ner fulltext (pdf) av Are there tangled magnetic fields on HgMn stars?
Ingår i Astronomy and Astrophysics, 2013
- DOI för Three-dimensional magnetic and abundance mapping of the cool Ap star HD 24712: I. Spectropolarimetric observations in all four Stokes parameters
- Ladda ner fulltext (pdf) av Three-dimensional magnetic and abundance mapping of the cool Ap star HD 24712: I. Spectropolarimetric observations in all four Stokes parameters
M-dwarf metallicities: A high-resolution spectroscopic study in the near infrared
Ingår i Astronomy and Astrophysics, 2012
Magnetism, chemical spots, and stratification in the HgMn star ϕ Phoenicis
Ingår i Astronomy and Astrophysics, 2012
Doppler images of II Pegasi for 2004-2010
Ingår i Astronomy and Astrophysics, 2012
M2K. II. A Triple-Planet System Orbiting Hip 57274
Ingår i Astrophysical Journal, s. 21, 2012
Multi-element Doppler imaging of the CP2 star HD 3980
Ingår i Astronomy and Astrophysics, 2012
The search for magnetic fields in mercury-manganese stars
Ingår i Astronomy and Astrophysics, 2011
Ingår i Publications of the Astronomical Society of the Pacific, s. 412-422, 2011
Ingår i Astrophysical Journal, s. 73, 2011
Doppler images of the RS CVn binary II Pegasi during the years 1994-2002
Ingår i Astronomy and Astrophysics, 2011
Ingår i Astrophysical Journal, s. 10, 2011
Ingår i Astronomical Notes - Astronomische Nachrichten, s. 859-865, 2011
Analyzing low signal-to-noise FUSE spectra: Confirmation of Lyman continuum escape from Haro 11
Ingår i Astronomy and Astrophysics, s. 107, 2011
Chemical spots in the absence of magnetic field in the binary HgMn star 66 Eridani
Ingår i Astronomy and Astrophysics, 2011
Analyzing low signal-to-noise FUSE spectra Confirmation of Lyman continuum escape from Haro 11
Ingår i Astronomy and Astrophysics, 2011
No magnetic field in the spotted HgMn star mu Leporis
Ingår i Astronomy and Astrophysics, 2011
Rotation, magnetism and metallicity of M dwarf systems
Ingår i Monthly notices of the Royal Astronomical Society, s. 2548-2557, 2011
HARPSpol - The New Polarimetric Mode for HARPS
Ingår i The Messenger, s. 7-10, 2011
First detection of linear polarization in the line profiles of active cool stars
Ingår i Astrophysical Journal Letters, 2011
Virtual atomic and molecular data centre
Ingår i Journal of Quantitative Spectroscopy and Radiative Transfer, s. 2151-2159, 2010
Magnetic Doppler imaging of the roAp star HD 24712
Ingår i Astronomy and Astrophysics, 2010
Surface structure of the CoRoT CP2 target star HD50773
Ingår i Astronomy and Astrophysics, 2010
Least-squares deconvolution of the stellar intensity and polarization spectra
Ingår i Astronomy and Astrophysics, 2010
Modelling the molecular Zeeman-effect in M-dwarfs: methods and first results
Ingår i Astronomy and Astrophysics, 2010
Time-resolved photometric and spectroscopic analysis of the luminous Ap star HD 103498
Ingår i Monthly notices of the Royal Astronomical Society, s. 1299-1307, 2010
Detection of dusty plasma near the E-ring of Saturn
Ingår i Planetary and Space Science, s. 1795-1806, 2009
THE NASA-UC ETA-EARTH PROGRAM: I. A SUPER-EARTH ORBITING HD 7924
Ingår i Astrophysical Journal, s. 75-83, 2009
VALD — an atomic and molecular database for astrophysics
Ingår i Journal of Physics, Conference Series, 2008
Ingår i Journal of Physics, Conference Series, 2008
Weather in stellar atmosphere revealed by the dynamics of mercury clouds in alpha Andromedae
Ingår i Nature Physics, s. 526-529, 2007
Ingår i Astrophysical Journal, s. 402-419, 2007
A probable stellar solution to the cosmological lithium discrepancy
Ingår i Nature, s. 657-659, 2006
Inhomogeneous distribution of mercury on the surfaces of rapidly rotating HgMn stars
Ingår i Astronomy & Astrophysics, s. 1093, 2005
Magnetic Doppler imaging of 53 Camelopardalis in all four Stokes parameters
Ingår i Astronomy & Astrophysics, s. 613, 2004
No magnetic field variation with pulsation phase in the roAp star gamma Equulei
Ingår i Astronomy & Astrophysics, s. 13, 2004
Multi-element abundance Doppler imaging of the rapidly oscillating Ap star HR 3831
Ingår i Astronomy & Astrophysics, s. 935, 2004
Ingår i Astronomy & Astrophysics, s. 933, 2004
He and Si surface inhomogeneities of four Bp variable stars
Ingår i Astronomy & Astrophysics, s. 273, 2004
Near-Polar Starspots and Polar Dynamo Waves
Ingår i Astronomy Reports, s. 522, 2004
The Photosphere and Veiling Spectrum of T Tauri Stars
Ingår i Astronomy and Astrophysics, s. 693-706, 2003
Doppler Imaging of the Ap star epsilon Ursae Majoris: Ca, Cr, Fe, Mg, Mn, Ti, Sr
Ingår i Astronomy & Astrophysics, s. 1033, 2003
PEPSI spectro-polarimeter for the LBT
Ingår i SPIE: Polarimetery in Astronomy, s. 180, 2003
Ingår i Astronomy and Astrophysics, s. 420-438, 2002
Detailed analysis of Balmer lines in cool dwarf stars
Ingår i Astronomy & Astrophysics, s. 951, 2002
Doppler Imaging of stellar magnetic fields. II. Numerical experiments
Ingår i Astronomy and Astrophysics, s. 868-888, 2002
Spectroscopy of T Tauri stars with UVES. Observations and analysis of RU Lup
Ingår i Astronomy & Astrophysics, s. 595, 2002
Doppler Imaging of stellar magnetic fields. I. Techniques
Ingår i Astronomy & Astrophysics, s. 736, 2002
Spectropolarimetry of starspots
Ingår i Astronomische Nachrichten, s. 257-259, 2002
Abundance stratification and pulsation in the atmosphere of the roAp star gamma Equulei
Ingår i Astronomy & Astrophysics, s. 545, 2002
New algorithms for reducing cross-dispersed echelle spectra
Ingår i Astronomy & Astrophysics, s. 1095, 2002
Swing excitation and magnetic activity in close binary systems
Ingår i Monthly Notices of RAS, s. 925, 2002
Nonaxisymmetric cool spot distributions and dynamo action in close binaries
Ingår i Astronomy & Astrophysics, s. 885, 2002
Ingår i Astronomy & Astrophysics, s. 265-279, 2001
Formation of Fe x-Fe XIV coronal lines in the accretion shock of T Tauri stars
Ingår i Astronomy & Astrophysics, s. 965-970, 2001
Model atmospheres with individualized abundances
Ingår i Astrophysical Journal, s. 1040-1056, 2001
The core-wing anomaly of cool Ap stars - Abnormal Balmer profiles
Ingår i Astronomy & Astrophysics, s. 939-942, 2001
The Three-dimensional Structure of the Warm Local Interstellar Medium. I. Methodology
Ingår i Astrophysical Journal, s. 756, 2000
Self broadening of hydrogen lines: initial results
Ingår i ASTRONOMY AND ASTROPHYSICS, 2000
A list of data for the broadening of metallic lines by neutral hydrogen collisions
Ingår i ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, s. 467-473, 2000
Self-broadening in Balmer line wing formation in stellar atmospheres
Ingår i ASTRONOMY AND ASTROPHYSICS, s. 1091-1105, 2000
VALD-2: Progress of the Vienna Atomic Line Data Base
Ingår i Astronomy and Astrophysics Supplement Series, s. 119-133, 1999
The Vienna Atomic Line Data Base - a status report
Ingår i Physica scripta. T, s. 162-173, 1999
Ingår i Astronomy & Astrophysics, s. 924-932, 1999
Eu III identification and Eu abundance in CP stars
Ingår i Astronomy & Astrophysics, s. 229-236, 1999
Spectral synthesis of TiO lines
Ingår i Astrophysical Journal, s. 851-862, 1998
Ingår i Astrophysical Journal, s. 315-328, 1997
Spectroscopy made easy: A new tool for fitting observations with synthetic spectra
Ingår i Astronomy & Astrophysics Supplement Series, s. 595-603, 1996
Artiklar, forskningsöversikt
New Abundances for Old Stars – Atomic Diffusion at Work in NGC 6397
Ingår i The Messenger, s. 6-10, 2006
Konferensbidrag
The Polarimetric Performance of HARPS3 and Its Impact on the Terra Hunting Experiment Scheduling
Ingår i Ground-Based and Airborne Instrumentation for Astronomy X, 2024
Ingår i Ground-Based and Airborne Instrumentation for Astronomy X, 2024
MOSAIC at the ELT: a unique instrument for the largest ground-based telescope
Ingår i Ground-Based and Airborne Instrumentation for Astronomy X, 2024
Ingår i Ground-Based and Airborne Instrumentation for Astronomy X, 2024
ANDES, the high-resolution spectrograph for the ELT: a 30 GHz UB-band astrocomb from 390-470 nm
Ingår i Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI, 2024
End-to-End simulation framework for astronomical spectrographs: SOXS, CUBES and ANDES
Ingår i Modeling, Systems Engineering, and Project Management for Astronomy XI, 2024
Ingår i Ground-Based And Airborne Instrumentation For Astronomy IX, 2022
CRIRES+: Characterisation and preparation during the pandemic
Ingår i Ground-based and Airborne Instrumentation for Astronomy IX, 2022
ELT-HIRES, the high resolution spectrograph for the ELT: Phase A study and path to construction
Ingår i Ground-based and Airborne Instrumentation for Astronomy VIII, 2020
A unique infrared spectropolarimetric unit for CRIRES+
Ingår i GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VII, 2018
ELT-HIRES, the high resolution spectrograph for the ELT: results from the Phase A study
Ingår i GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VII, 2018
Full System Test and early Preliminary Acceptance Europe results for CRIRES
Ingår i Ground-Based And Airborne Instrumentation For Astronomy VII, 2018
Analysis of the polarimetric performance of the HARPS3 Cassegrain adaptor unit
Ingår i Ground-Based And Airborne Instrumentation For Astronomy VII, 2018
Deriving stellar parameters with the SME software package
Ingår i Second brite-constellation science conference, s. 209-213, 2017
Main High-Resolution Near-IR Spectrometer for the VLT
Ingår i Stars, s. 514-517, 2017
Ingår i Stars, s. 518-521, 2017
Program Package for the Analysis of High Resolution High Signal-To-Noise Stellar Spectra
Ingår i Stars, s. 509-513, 2017
Characterizing the cross dispersion reflection gratings of CRIRES
Ingår i Advances In Optical And Mechanical Technologies For Telescopes And Instrumentation Ii, 2016
4MOST: the 4-metre Multi-Object Spectroscopic Telescope project at preliminary design review
Ingår i GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI, 2016
EELT-HIRES the high-resolution spectrograph for the E-ELT
Ingår i GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI, 2016
Ingår i GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI, 2016
HARS3 for a Roboticized Isaac Newton Telescope
Ingår i GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI, 2016
On the Accuracy of Atmospheric Parameter Determination in BAFGK Stars
Ingår i PHYSICS AND EVOLUTION OF MAGNETIC AND RELATED STARS, s. 308-319, 2015
Magnetic fields of Ap stars from full Stokes spectropolarimetric observations
Ingår i PUTTING A STARS INTO CONTEXT, s. 380-385, 2014
Wavelength calibration from 1-5 mu m for the CRIRES plus high-resolution spectrograph at the VLT
Ingår i GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY V, 2014
Ingår i PUTTING A STARS INTO CONTEXT, s. 130-135, 2014
CRIRES plus: a cross-dispersed high-resolution infrared spectrograph for the ESO VLT
Ingår i GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY V, 2014
Novel infrared polarimeter for the ESO CRIRES plus instrument
Ingår i GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY V, 2014
Concept and optical design of the cross-disperser module for CRIRES+
Ingår i GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY V, 2014
HIRES: The High Resolution Spectrograph for E-ELT
Ingår i Ground-based and Airborne Instrumentation for Astronomy V, 2014
Upgrading CRIRES-VLT to cross-dispersed mode
Ingår i Proceedings of SPIE, 2012
Ingår i Solar Polarization 6, 2011
Magnetic Fields of M-Dwarfs from the Molecular and Atomic Diagnostics
Ingår i Magnetic Stars, s. 280-290, 2011
VAMDC: The Virtual Atomic and Molecular Data Center
Ingår i Astronomical Data Analysis Software and Systems XX, 2011
The search for magnetic fields in mercury-manganese stars
Ingår i Active OB stars, s. 202-203, 2011
Kepler Observations of Starspot Evolution, Differential Rotation, and Flares on Late-Type Stars
Ingår i American Astronomical Society Meeting Abstracts #218, 2011
Starspot variability and evolution from modeling Kepler photometry of active late-type stars
Ingår i IAU Symposium 273 (The Physics of Sun and Star Spots), s. 78-82, 2011
Ingår i European Planetary Science Congress 2010, 2010
Magnetic fields in M dwarf stars from high-resolution infrared spectra
Ingår i COOL STARS, STELLAR SYSTEMS AND THE SUN: Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, s. 124-129, 2009
Optimal Extraction of Echelle Spectra
Ingår i Precision Spectroscopy in Astrophysics, s. 129-132, 2007
3-D Hydrodynamic Simulation of Convection in A Stars
Ingår i IAUS 239, Convection in Astrophysics, s. 68-70, 2007
Pinning Down Gravitational Settling
Ingår i Chemical Abundances and Mixing in Stars in the Milky Way and its Satellites, s. 294, 2006
Magnetic Doppler Imaging of Active Stars
Ingår i Solar and Stellar Activity Cycles, 26th meeting of the IAU, Joint Discussion 8, 2006
Cool stars in the Gaia photometric system
Ingår i 13th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, s. 635, 2005
Magnetic Doppler Imaging: Mathematical Basis
Ingår i EAS Publication series, vol. 17, s. 245, 2005
Magnetic Fields and Stellar Surface Structures
Ingår i High Resolution Infrared Spectroscopy in Astronomy, s. 315, 2005
Magnetic Doppler imaging of solar-type stars
Ingår i The 3rd Solar Polarization Workshop, ASP conf. Ser., vol. 307, s. 539, 2003
The influence of global magnetic field evolution on the structure of atmospheres of early-type stars
Ingår i IAUS 210, Modelling of stellar atmospheres, 2003
Magnetic Doppler imaging of early-type stars
Ingår i Magnetic Fields in O, B and A Stars: Origin and Connection to Pulsation, Rotation and Mass Loss, ASP. Conf. Ser., vol. 305, s. 83, 2003
Balmer lines and effective temperatures in cool stars
Ingår i 12th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, s. 1103, 2003
Magnetic Doppler Imaging of Chemically Peculiar Stars
Ingår i The 3rd Solar Polarization Workshop, ASP conf. Ser., vol. 307, s. 549, 2003
Probing Magnetospheric Infall onto CTTS with Time-resolved Veiling Measurements
Ingår i 12th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, s. 735, 2003
Hydrogen Balmer Lines as Probes of Stellar Atmospheres
Ingår i IAUS 210, Modelling of stellar atmospheres, 2003
Tools and Methods for Abundance Analysis
Ingår i IAUS 210, Modelling of stellar atmospheres, 2003
Parametric Resonance and Magnetic Activity in Close Binary Systems
Ingår i IAUS 210, Modelling of stellar atmospheres, 2003
Spectroscopy of rapidly oscillating Ap stars
Ingår i Radial and Nonradial Pulsations as Probes of Stellar Physics, ASP Conf. Ser., vol. 259, s. 280, 2002
Time-Resolved Spectroscopy of the roAp Star gamma Equ
Ingår i Magnetic Fields Across the Hertzsprung-Russell Diagram, Conference Proceedings, s. 341, 2001
The Search and Modelling of Magnetic Fields on M Dwarfs
Ingår i Magnetic Fields Across the Hertzsprung-Russell Diagram, Conference Proceedings, s. 219, 2001
Hydrogen Line Formation in Cool Stars
Ingår i 11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, s. 766, 2001
Magnetic Doppler Imaging of alpha2 CVn
Ingår i Magnetic Fields Across the Hertzsprung-Russell Diagram, Conference Proceedings, s. 321, 2001
Recent Developments of the VALD Database
Ingår i 11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, s. 878, 2001
New Measurements of T Tauri Magnetic Fields: Testing Magnetospheric Accretion
Ingår i Magnetic Fields Across the Hertzsprung-Russell Diagram, ASP Conf. Ser., vol. 248, s. 527, 2001
Chemical Stratification in Magnetic Ap Stars
Ingår i Magnetic Fields Across the Hertzsprung-Russell Diagram, ASP Conf. Ser., vol. 248, s. 373, 2001
Magnetic Doppler Imaging of Chemically Peculiar Stars
Ingår i Astrotomography, Indirect Imaging Methods in Observational Astronomy, Lecture Notes in Physics, s. 238, 2001
Doppler Imaging of Eclipsing Binary Systems ER Vul and TY Pyx
Ingår i 11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, ASP Conf. Ser., vol. 223, s. 1285, 2001
Using FeH to Measure Magnetic Fields on Cool Stars and Brown Dwarfs
Ingår i 11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, ASP Conf. Ser., vol. 223, s. 1579, 2001
Magnetic Doppler Imaging of CP Stars
Ingår i Magnetic Fields Across the Hertzsprung-Russell Diagram, ASP Conf. Ser., vol. 248, s. 293, 2001
Ingår i Fiber Optics in Astronomy III, s. 343, 1998