Search filters

List of works by Christiane Helling

A chemical kinetics network for lightning and life in planetary atmospheres

scientific article published in January 2016

Aggregation and Charging of Mineral Cloud Particles under High-energy Irradiation

scholarly article

Aluminium oxide in the atmosphere of hot Jupiter WASP-43b

scientific article published in July 2020

An absolute sodium abundance for a cloud-free ‘hot Saturn’ exoplanet

scientific article published in Nature

Atmospheric Electrification in Dusty, Reactive Gases in the Solar System and Beyond

scholarly article by Christiane Helling et al published 26 April 2016 in Surveys in Geophysics

Characterization of low-mass, wide-separation substellar companions to stars in Upper Scorpius: near-infrared photometry and spectroscopy

scientific article published in the Astrophysical Journal

Characterization of the gaseous companionκAndromedae b

scientific article published in Astronomy and Astrophysics

Clouds in Exoplanetary Atmospheres

Clouds in brown dwarfs and giant planets

Cosmic Rays, UV Photons, and Haze Formation in the Upper Atmospheres of Hot Jupiters

Detecting life outside our solar system with a large high-contrast-imaging mission

Discovery of two warm mini-Neptunes with contrasting densities orbiting the young K3V star TOI-815

Disk evolution, element abundances and cloud properties of young gas giant planets.

scientific article

Dust cloud lightning in extraterrestrial atmospheres

Dust in brown dwarfs and extra-solar planets. VI. Assessing seed formation across the brown dwarf and exoplanet regimes

scientific article published in January 2018

Dynamic mineral clouds on HD 189733b. II. Monte Carlo radiative transfer for 3D cloudy exoplanet atmospheres: combining scattering and emission spectra

scientific article published in January 2017

Electron acceleration above thunderclouds

article

Energetic Charged Particles Above Thunderclouds

article published in 2012

Exo-lightning radio emission: the case study of HAT-P-11b

Exonephology: transmission spectra from a 3D simulated cloudy atmosphere of HD 209458b

article

Exploring the deep atmospheres of HD 209458b and WASP-43b using a non-gray general circulation model

scientific article published in March 2022

Extended baseline photometry of rapidly changing weather patterns on the brown dwarf binary Luhman-16

scientific article published in the Astrophysical Journal

Ground-based Transmission Spectroscopy with VLT FORS2: Evidence for Faculae and Clouds in the Optical Spectrum of the Warm Saturn WASP-110b

scientific article published on 3 August 2021

Ground-based transmission spectroscopy with FORS2: A featureless optical transmission spectrum and detection of H2O for the ultra-hot Jupiter WASP-103b

scientific article

Isotopic constraints on lightning as a source of fixed nitrogen in Earth’s early biosphere

Lightning and charge processes in brown dwarf and exoplanet atmospheres

scientific article published on 05 August 2019

Lightning chemistry on Earth-like exoplanets

scientific article

Lightning in other planets

Metals in the exosphere of the highly irradiated planet WASP-12b

scholarly article

Modelling the formation of atmospheric dust in brown dwarfs and planetary atmospheres

scientific article published on 3 June 2013

No evidence for radius inflation in hot Jupiters from vertical advection of heat

OGLE-2017-BLG-0329L: A Microlensing Binary Characterized with Dramatically Enhanced Precision Using Data from Space-based Observations

scientific article published in the Astrophysical Journal

OGLE-2017-BLG-0406: Spitzer Microlens Parallax Reveals Saturn-mass Planet Orbiting M-dwarf Host in the Inner Galactic Disk

scientific article published on 23 July 2020

OGLE-2017-BLG-1186: first application of asteroseismology and Gaussian processes to microlensing

scientific article published on 10 July 2019

OGLE-2017-BLG-1434Lb: Eighth q < 1 * 10^-4 Mass-Ratio Microlens Planet Confirms Turnover in Planet Mass-Ratio Function

OGLE-2017-BLG-1434Lb: eighth q<1×10^-4^ mass-ratio microlens planet confirms turnover in planet mass-ratio function

scientific article published in January 2018

Optical and near-infrared spectroscopy of the L subdwarf SDSS J125637.13-022452.4

scientific article published in the Astrophysical Journal

Spitzer Microlensing Parallax Reveals Two Isolated Stars in the Galactic Bulge

Spitzer Microlensing Parallax for OGLE-2017-BLG-0896 Reveals a Counter-rotating Low-mass Brown Dwarf

Studying the physical diversity of Late-M dwarfs with dynamical masses

scientific article published in the Astrophysical Journal

The Influence of Alfvén Ionization on Exoplanetary Atmospheres

The mineral clouds on HD 209458b and HD 189733b

scholarly article

Transmission spectroscopy with VLT FORS2: a featureless spectrum for the low-density transiting exoplanet WASP-88b

scientific article

Triboelectrification of KCl and ZnS Particles in Approximated Exoplanet Environments

scientific article published on 6 November 2018