Research outputs: Dr. Christiane Helling
- Spitzer microlensing parallax for OGLE-2017-BLG-0896 reveals a counter-rotating low-mass brown dwarf DOI, Astronomical Journal, 157, 3 (2019)
- Exonephology DOI, Monthly Notices of the Royal Astronomical Society, 481, 1 , p. 194-205 (2018)
- Triboelectrification of KCl and ZnS particles in approximated exoplanet environments DOI, Astrophysical Journal, 867, 2 (2018)
- Environmental effects on the ionisation of brown dwarf atmospheres DOI, Astronomy & Astrophysics, 618 (2018)
- Exo-lightning radio emission DOI, the case study of HAT-P-11b, p. 345-356 (2018)
- Insight into atmospheres of extrasolar planets through plasma processes DOI, p. 335-344 (2018)
- Simulating the cloudy atmospheres of HD 209458 b and HD 189733 b with the 3D Met Office Unified Model DOI, Astronomy & Astrophysics, 615 (2018)
- Equlibrium chemistry down to 100 K DOI, Astronomy & Astrophysics, 614 (2018)
- OGLE-2017-BLG-0329L DOI, Astrophysical Journal, 859, 2 (2018)
- An absolute sodium abundance for a cloud-free 'hot Saturn' exoplanet DOI, Nature, 557, p. 526-529 (2018)
- Environmental effects on the ionization of brown dwarf atmospheres, ArXiv e-prints (2018)
- Dust in brown dwarfs and extra-solar planets DOI, Astronomy & Astrophysics, 614 (2018)
- OGLE-2017-BLG-1434Lb, Acta Astronomica, 68, 1 , p. 1-42 (2018)
- Self-consistent atmosphere modeling with cloud formation for low-mass stars and exoplanets DOI, Astronomy & Astrophysics, 608 (2017)
- Cloud formation in metal-rich atmospheres of hot super-Earths like 55 Cnc e and CoRoT7b DOI, Monthly Notices of the Royal Astronomical Society, 472, 1 , p. 447-464 (2017)
- Emission lines in the atmosphere of the irradiated brown dwarf WD0137−349B DOI, Monthly Notices of the Royal Astronomical Society, 471, 2 , p. 1728-1736 (2017)
- MOVES – I. The evolving magnetic field of the planet-hosting star HD189733 DOI, Monthly Notices of the Royal Astronomical Society, 471, 1 , p. 1246-1257 (2017)
- Lightning chemistry on Earth-like exoplanets DOI, Monthly Notices of the Royal Astronomical Society, 470, 1 , p. 187-196 (2017)
- Dust in brown dwarfs and extrasolar planets DOI, Astronomy & Astrophysics, 603 (2017)
- Dynamic mineral clouds on HD 189733b. II. Monte Carlo radiative transfer for 3D cloudy exoplanet atmospheres DOI, Astronomy & Astrophysics, 601 (2017)
- Robust detection of quasi-periodic variability DOI, Monthly Notices of the Royal Astronomical Society, 466, 4 , p. 4250-4258 (2017)
- Exoplanet modelling with the Met Office Unified Model, : Geophysical Research Abstracts, p. 3635 (2017)
- Lightning on exoplanets and brown dwarfs: modelling lightning energies and radio powers, : Geophysical Research Abstracts, p. 8896 (2017)
- Comparison Catalogue of Gas-Equilibrium Constants, Kp DOI(2017)
- Graphical Comparison of Mineral Gibbs Free Energy Data DOI(2017)
- Dynamic mineral clouds on HD 189733b DOI, Astronomy & Astrophysics, 594 (2016)
- Lightning climatology of exoplanets and brown dwarfs guided by Solar system data DOI, Monthly Notices of the Royal Astronomical Society, 461, 4 , p. 3927-3947 (2016)
- Is lightning a possible source of the radio emission on HAT-P-11b? DOI, Monthly Notices of the Royal Astronomical Society, 461, 2 , p. 1222-1226 (2016)
- Direct Imaging discovery of a second planet candidate around the possibly transiting planet host CVSO 30 DOI, Astronomy & Astrophysics, 593 (2016)
- The mineral clouds on HD 209458b and HD 189733b DOI, Monthly Notices of the Royal Astronomical Society, 460, 1 , p. 855-883 (2016)
- Atmospheric electrification in dusty, reactive gases in the solar system and beyond DOI, Surveys in Geophysics, 37, 4 , p. 705-756 (2016)
- Ionisation and discharge in cloud-forming atmospheres of brown dwarfs and extrasolar planets DOI, Plasma Physics and Controlled Fusion, 58, 7 (2016)
- Lightning and life on exoplanets(2016)
- A chemical kinetics network for lightning and life in planetary atmospheres DOI, Astrophysical Journal Supplement Series, 224, 1 (2016)
- Flash ionization signature in coherent cyclotron emission from brown dwarfs DOI, Monthly Notices of the Royal Astronomical Society, 458, 1 , p. 1041-1056 (2016)
- The need for laboratory work to aid in the understanding of exoplanetary atmospheres, p. 1-18 (2016)
- Reference study to characterize plasma and magnetic properties of ultracool atmospheres DOI, Monthly Notices of the Royal Astronomical Society, 454, 4 , p. 3977-3995 (2015)
- The first millimeter detection of a non-accreting ultracool dwarf DOI, Astrophysical Journal, 815, 1 (2015)
- Modelling the Global Cloud Cover of HD 189733b, : AAS/Division for Extreme Solar Systems Abstracts, 3, p. 111.10 (2015)
- Plasma processes in cloud-forming exoplanet and brown dwarf atmospheres, : AAS/Division for Extreme Solar Systems Abstracts, 3, p. 203.07 (2015)
- Spectra of Aurorae in Exoplanet Atmospheres, : AAS/Division for Extreme Solar Systems Abstracts, 3, p. 104.15 (2015)
- Extended baseline photometry of rapidly changing weather patterns on the brown dwarf binary Luhman-16 DOI, Astrophysical Journal, 812, 2 , p. 161 (2015)
- Modelling the local and global cloud formation on HD 189733b DOI, Astronomy & Astrophysics, 580 (2015)
- Inhomogeneous cloud coverage through the Coulomb explosion of dust in substellar atmospheres DOI, Astronomy & Astrophysics, 579 (2015)
- Planetary host stars DOI, Monthly Notices of the Royal Astronomical Society, 450, 1 , p. 160-182 (2015)
- Assessing nucleation in cloud formation modelling for Brown Dwarf and Exoplanet atmospheres, p. 10763 (2015)
- Earth, Jupiter and Saturn as guides for extrasolar planets and brown dwarfs: a lightning climatology study, : EGU General Assembly Conference Abstracts, 17, p. 10014 (2015)
- Characterization of low-mass, wide-separation substellar companions to stars in upper Scorpius DOI, Astrophysical Journal, 802, 1 (2015)
- Characterising exoplanets and their environment with UV transmission spectroscopy(2015)
- Dust in brown dwarfs and extra-solar planets. IV. Assessing TiO2 and SiO nucleation for cloud formation modelling DOI, Astronomy & Astrophysics, 575 (2015)
- Multiwaveband photometry of the irradiated brown dwarf WD0137-349B DOI, Monthly Notices of the Royal Astronomical Society, 447, 4 , p. 3218-3226 (2015)
- Physical and orbital properties of Beta Pictoris b DOI, Astronomy & Astrophysics, 567 (2014)
- Expect the unexpected, Memorie della Società Astronomica Italiana, 85, 4 , p. 695-698 (2014)
- First spectroscopic observations of the substellar companion of the young debris disk star PZ Telescopii DOI, Astronomy & Astrophysics, 566 (2014)
- Jupiter as a giant cosmic ray detector DOI, Astrophysical Journal Letters, 787, 2 (2014)
- Auroral Kilometric Radiation -Horseshoe Model and Experiment, p. 13483 (2014)
- Large-scale properties of lightning in extrasolar objects, : EGU General Assembly Conference Abstracts, 16, p. 13950 (2014)
- Radio signatures of lightning discharges in exoplanets and brown dwarfs, : EGU General Assembly Conference Abstracts, 16, p. 11426 (2014)
- Disk evolution, element abundances and cloud properties of young gas giant planets DOI, IUBMB Life, 4, 2 , p. 142-173 (2014)
- Electrostatic activation of prebiotic chemistry in substellar atmospheres DOI, International Journal of Astrobiology, 13, Special Issue 2 , p. 165-172 (2014)
- The influence of galactic cosmic rays on ion-neutral hydrocarbon chemistry in the upper atmospheres of free-floating exoplanets DOI, International Journal of Astrobiology, 13, 2 , p. 173-181 (2014)
- Ionization in atmospheres of brown dwarfs and extrasolar planets VI DOI, Astrophysical Journal, 784, 1 (2014)
- Characterization of the gaseous companion κ Andromedae b New Keck and LBTI high-contrast observations DOI, Astronomy & Astrophysics, 562 (2014)
- Atmospheres of brown dwarfs DOI, Astronomy and Astrophysics Review, 22 (2014)
- Careers in astronomy in Germany and the UK DOI, Astronomy & Geophysics, 55, 2 (2014)
- The Influence of Alfvén Ionization on Exoplanetary Atmospheres DOI, 299, p. 384-385 (2014)
- Small hydrocarbon molecules in cloud-forming brown dwarf and giant gas planet atmospheres DOI, Monthly Notices of the Royal Astronomical Society, 435, 3 , p. 1888-1903 (2013)
- Ionization in atmospheres of brown dwarfs and extrasolar planets. V. Alfvén ionization DOI, Astrophysical Journal, 776, 1 (2013)
- Cosmic Ray Ionization and Dust Charging at the Cloud Top of a Giant Gas Planet, European Planetary Science Congress, 8 (2013)
- Ionization and charging in dusty atmospheres(2013)
- Mineral clouds and ionisation processes in extrasolar, planetary atmospheres, European Planetary Science Congress, 8 (2013)
- Ionization in atmospheres of brown dwarfs and extrasolar planets. IV. The effect of cosmic rays DOI, Astrophysical Journal, 774, 2 (2013)
- Electron acceleration above thunderclouds DOI, Environmental Research Letters, 8, 3 (2013)
- Modelling the formation of atmospheric dust in brown dwarfs and planetary atmospheres DOI, Philosophical Transactions of the Royal Society. A, Mathematical, Physical and Engineering Sciences, 371, 1994 (2013)
- Cosmic-Ray Ionization and Hazes on Hot Jupiters(2013)
- A search for rocky planets transiting brown dwarfs(2013)
- Ionization in atmospheres of brown dwarfs and extrasolar planets III. Breakdown conditions for mineral clouds DOI, Astrophysical Journal, 767, 2 (2013)
- Wolken(2013)
- Dust cloud lightning in extraterrestrial atmospheres DOI, Planetary and Space Science, 77, p. 152-157 (2013)
- Clouds in brown dwarfs and giant planets DOI, Astronomische Nachrichten, 334, 1‐2 , p. 40-43 (2013)
- M dwarf stars in the light of (future) exoplanet searches DOI, Astronomische Nachrichten, 334, p. 155 (2013)
- Alfvén ionization in the atmospheres of brown dwarfs, Memorie della Societa Astronomica Italiana, 84, p. 1132 (2013)
- Characterization of 36 late M-dwarfs using spectral energy distributions and near-infrared echelle spectra ., Memorie della Societa Astronomica Italiana, 84, p. 1084 (2013)
- Cosmic Rays, UV Photons, and Haze Formation in the Upper Atmospheres of Hot Jupiters DOI, Proceedings of the International Astronomical Union, 8, S299 , p. 303-304 (2013)
- Energetic charged particles above thunderclouds DOI, Surveys in Geophysics, 34, 1 , p. 1-41 (2013)
- Extracting the Physical Parameters of a Sample of M-dwarfs from High-resolution Near-infrared Spectra, : Astronomical Society of the Pacific Conference Series (2013)
- The impact of M-dwarf atmosphere modelling on planet detection, Memorie della Societa Astronomica Italiana, 84, p. 1094 (2013)
- Career situation of female astronomers in Germany DOI, Astronomische Nachrichten, 333, 3 , p. 280-286 (2012)
- Probing Bow Shocks Around Exoplanets During Transits DOI, 282, p. 117-118 (2012)
- Spectroscopy across the brown dwarf/planetary mass boundary I. Near-infrared JHK spectra DOI, Astronomy & Astrophysics, 540 (2012)
- Cloud and Gas Ionisation in Atmosphere of Gas-Giant Planets DOI, p. 292-296 (2012)
- Shock formation around planets orbiting M-dwarf stars DOI, Astronomische Nachrichten, 332, 9-10 , p. 1055-1061 (2011)
- Extraterrestrial lightning in atmospheric dust clouds, EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France, p. 8 (2011)
- Probing Planetary Magnetic Fields During Transits, EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France, p. 253 (2011)
- Electrification Events In Mineral Clouds Of Planetary Atmospheres, : AAS/Division for Extreme Solar Systems Abstracts, 2, p. 40.01 (2011)
- The Atmospheres and Evolution of Young Brown Dwarf/Planetary-Mass Companions, : AAS/Division for Extreme Solar Systems Abstracts, 2, p. 40.16 (2011)
- The shocking transit of WASP-12b DOI, Monthly Notices of the Royal Astronomical Society: Letters, 416, 1 , p. 41-44 (2011)
- Ionisation in atmospheres of Brown Dwarfs and extrasolar planets II Dust-induced collisional ionization DOI, Astrophysical Journal, 737, 1 (2011)
- Detecting planets around very cool dwarfs at near infrared wavelengths with the radial velocity technique DOI, Astronomy & Astrophysics, 532 (2011)
- The influence of non-isotropic scattering of thermal radiation on spectra of brown dwarfs and hot exoplanets DOI, Astronomy & Astrophysics, 531 (2011)
- Discovery of carbon monoxide in the upper atmosphere of Pluto DOI, Monthly Notices of the Royal Astronomical Society, 414, 1 (2011)
- Transit variability in bow shock-hosting planets DOI, Monthly Notices of the Royal Astronomical Society, 414, 2 , p. 1573-1582 (2011)
- Dust in brown dwarfs and extra-solar planets III. Testing synthetic spectra on observations DOI, Astronomy & Astrophysics, 529 (2011)
- Discovery of AN similar to 23 M-Jup brown dwarf orbiting similar to 700 AU from the massive star HIP 78530 in Upper Scorpius DOI, Astrophysical Journal, 730, 1 (2011)
- Prospects for detection of exoplanet magnetic fields through bow-shock observations during transits DOI, Monthly Notices of the Royal Astronomical Society, 411, 1 (2011)
- Ionization in atmospheres of brown dwarfs and extrasolar planets. I. The role of electron avalanche DOI, Astrophysical Journal, 727, 1 (2011)
- Aspects of Multi-Dimensional Modelling of Substellar Atmospheres, p. 403-414 (2011)
- Physical parameters of a sample of M dwarfs from high-resolution near-infrared spectra DOI, : EPJ Web of Conferences (2011)
- The impact of stellar model spectra in disc detection DOI, Monthly Notices of the Royal Astronomical Society: Letters, 409, 1 (2010)
- Early UV ingress in WASP-12b: measuring planetary magnetic fields DOI, Astrophysical Journal Letters, 722, 2 (2010)
- Mass transfer, transiting stream, and magnetopause in close-in exoplanetary systems with applications to WASP-12 DOI, Astrophysical Journal, 721, 2 , p. 923-928 (2010)
- Studying the physical diversity of late-M dwarfs with dynamical masses DOI, Astrophysical Journal, 721, 2 , p. 1725-1747 (2010)
- Metals in the exosphere of the highly irradiated planet WASP-12b DOI, Astrophysical Journal Letters, 714, 2 (2010)
- Kinetic dust formation and turbulence modeling in substellar atmospheres, : EGU General Assembly Conference Abstracts, 12, p. 14457 (2010)
- Dust in brown dwarfs and extra-solar planets II. Cloud formation for cosmologically evolving abundances DOI, Astronomy & Astrophysics, 506, 3 , p. 1367-1380 (2009)
- Gas-phase mean opacities for varying [M/H], N/O and C/O DOI, Monthly Notices of the Royal Astronomical Society, 398, 2 , p. 985-994 (2009)
- Gas phase mean opacities for varying [M/H], N/O, and C/O, Monthly Notices of the Royal Astronomical Society (2009)
- Optical and Near-Infrared Spectroscopy of the L Subdwarf SDSS J125637.13-022452.4 DOI, Astrophysical Journal, 697, 1 , p. 148-159 (2009)
- The Cosmological Evolution of Dust Clouds in Brown Dwarf Atmospheres DOI, 1094, p. 572-575 (2009)
- Cloud formation in substellar atmospheres, : AIP Conference Proceedings, p. 162-171 (2009)
- Glittery clouds in exoplanetary atmospheres? DOI, International Journal of Astrobiology, 8, 1 , p. 3-8 (2009)
- Lightning In Brown Dwarfs?, : AIP Conference Proceedings (2009)
- Medium-resolution infrared integral field spectroscopy of the brown dwarf TWA 5 B, : AIP Conference Proceedings (2009)
- Observation and modelling of dusty, low gravity L, and M dwarfs DOI, : AIP Conference Proceedings (2009)
- The Chemical Evolution of Dust and Gas in Substellar Atmospheres, p. 125-134 (2009)
- A comparison of chemistry and dust cloud formation in ultracool dwarf model atmospheres DOI, Monthly Notices of the Royal Astronomical Society, 391, 4 , p. 1854-1873 (2008)
- Direct evidence of a sub-stellar companion around CT Chamaeleontis DOI, Experimental Astronomy, 491, p. 311 (2008)
- Dust in brown dwarfs and extra-solar planets - I. Chemical composition and spectral appearance of quasi-static cloud layers DOI, Experimental Astronomy, 485, p. 547-560 (2008)
- Erratum: Consistent simulations of substellar atmospheres and nonequilibrium dust cloud formation (ApJ,675, pg L105, 2008) DOI, Astrophysical Journal Letters, 677, 2 (2008)
- The influence of dust formation modelling on Na I and K I line profiles in substellar atmospheres DOI, Monthly Notices of the Royal Astronomical Society, 385 (2008)
- Consistent simulations of substellar atmospheres and nonequilibrium dust cloud formation DOI, Astrophysical Journal Letters, 675, 2 (2008)
- Circuit of Dust in Substellar Objects DOI, p. 115-131 (2008)
- Cloud Formation in Giant Planets, : ASTRONOMICAL SOCIETY OF THE PACIFIC CONFERENCE SERIES, p. 443-446 (2008)
- The Consistent Modeling of Alkali Lines and Dust Formation in Extreme Exo-Planets, p. 393-396 (2008)
- Silicate, ruby, opal - Why gas giants keep their jewels in the atmosphere DOI, Proceedings of the International Astronomical Union, 3, S249 , p. 167-172 (2007)
- Comparative study of dust cloud modelling for substellar atmospheres, Astronomische Nachrichten, 328, p. 655 (2007)
- The influence of convective energy transport on dust formation in brown dwarf atmospheres DOI, 239, p. 227-229 (2007)
- Comparison of cloud models for Brown Dwarfs DOI, Proceedings of the International Astronomical Union, 3, S249 , p. 173-177 (2007)
- Dust in brown dwarfs. V. Growth and evaporation of dirty dust grains DOI, Astronomy & Astrophysics, 455, 1 , p. 325-338 (2006)
- Time-dependent modelling of oxygen-rich dust formation, 26, p. 13 (2006)
- Detectability of dirty dust grains in brown dwarf atmospheres DOI, Astronomy & Astrophysics, 451, 2 (2006)
- Chemical composition of dust clouds in turbulent brown dwarf atmospheres DOI, Proceedings of the International Astronomical Union, 2, S239 , p. 224-226 (2006)
- Brown dwarf atmospheres: the dust in the L - T transition region., Astronomische Nachrichten, 326, p. 627-627 (2005)
- The need for small-scale turbulence in atmospheres of substellar objects, p. 152-158 (2005)
- 2D dynamical models for dust-driven winds of AGB stars, 560, p. 1039 (2005)
- Dust Formation in Substellar Atmospheres: A Multi-Scale Problem, p. 503-509 (2005)
- First Steps Towards Modelling a Brown Dwarf Atmosphere Including the Formation of Dust, p. 8158 (2005)
- Rain and clouds in brown dwarf atmospheres, a coupled problem from small to large : ESA SP, p. 249-256 (2005)
- The Multi-Scale Dust Formation in Substellar Atmospheres DOI, p. 317-337 (2005)
- Theory of Precipitating Dust Formation in Substellar Atmospheres, 321, p. 199 (2004)
- Dust in brown dwarfs. IV. Dust formation and driven turbulence on mesoscopic scales DOI, Astronomy & Astrophysics, 423, 2 , p. 657-675 (2004)
- 2D models for the winds of AGB stars., Astronomische Nachrichten Supplement, 325, p. 1.95 (2004)
- Dust in brown dwarfs. III. Formation and structure of quasi-static cloud layers DOI, Astronomy & Astrophysics, 414, 1 , p. 335-350 (2004)
- The encounter with small scale turbulence in substellar objects., Astronomische Nachrichten Supplement, 325, p. 1.23 (2004)
- Rosseland and Planck mean opacities for protoplanetary discs DOI, Astronomy & Astrophysics, 410, 2 , p. 611-621 (2003)
- On the Sub-grid Modelling of Turbulent Dust Formation in Substellar Atmospheres, Astronomische Nachrichten Supplement, 324, p. 2 (2003)
- Study on Synthetic Spectra of Substellar Objects, Astronomische Nachrichten Supplement, 324, p. 127 (2003)
- The Structure of Quasi-static Cloud Layers in Brown Dwarf Atmospheres, Astronomische Nachrichten Supplement, 324, p. 126 (2003)
- Lexikon Der Mathamatik(2003)
- Dust in brown dwarfs. II. The coupled problem of dust formation and sedimentation DOI, Astronomy & Astrophysics, 399, p. 297-313 (2003)
- Dust Formation in Brown Dwarf Atmospheres Under Conditions of Driven Turbulence, 210 (2003)
- Opacities for Protoplanetary Disks, 288, p. 361 (2003)
- Sternenstaub. Teil 2: Staubbildung in den Hüllen Langperiodischer Veränderlicher, Sterne und Weltraum, 41, 3 , p. 34-41 (2002)
- Sternenstaub, Teil 1: Edelsteine im All?, Sterne und Weltraum, 41, p. 25-31 (2002)
- Dust and Wind Formation in Low-Metallicity AGB-Stars, : ASP Conference Series (2002)
- Inhomgeneous Dust Formation due to Turbulent Motion in Brown Dwarf Atmospheres, p. 45-49 (2001)
- Dust in brown dwarfs DOI, Astronomy & Astrophysics, 376, 1 , p. 194-212 (2001)
- Erratum: Circumstellar dust shells around long-period variables DOI, Astronomy & Astrophysics, 370, 2 , p. 555-556 (2001)
- Radiation Transfer Through an Extended Planetary Atmosphere, 18 (2001)
- Turbulence Modeling in Dust Forming Media, 18 (2001)
- A systematic investigation of the mass loss mechanism in dust forming long-period variable stars, Astronomy & Astrophysics, 361, p. 641-659 (2000)
- Circumstellar dust shells around long-period variables. VII. The role of molecular opacities, Astronomy & Astrophysics, 358, p. 651-664 (2000)
- Dust Formation in Brown Dwarfs, 17 (2000)
- Frequency Sampling for Radiative Transfer Calculations in Cool Stars, 177, p. 535 (2000)
- Influence of the Metal Abundances on the Dust-driven Winds of LPVs, 17 (2000)
- Intermittent Distribution of Dust in Brown Dwarf Atmospheres, 17 (2000)
- On the formation of it warm molecular layers, Astronomy & Astrophysics, 348 (1999)
- Role of molecular opacities in circumstellar dust shells(1999)
- On the Molecular Composition of Dynamical C-Star Atmospheres, 15, p. 107 (1999)
- Optimizing the opacity sampling method, Astronomy & Astrophysics, 337, p. 477-486 (1998)
- Influence of molecular opacities on the generation of cool star winds, 191 (1998)
- Formation of PAHs, polyynes, and other macromolecules in the photosphere of carbon stars., Astronomy & Astrophysics, 315, p. 194-203 (1996)
- Can PAHs support grain-formation in carbon-stars?, 109, p. 529 (1996)