251 citations · 1.4k across the 31 of their papers we have counts for
5 papers · 1 filter
Observability of ultraviolet N I lines in the atmosphere of transiting Earth-like planets
Mitchell E. Young, Luca Fossati, Colin Johnstone +5
Nitrogen is a biosignature gas that cannot be maintained in its Earth-like ratio with CO under abiotic conditions. It has also proven to be notoriously hard to detect at optica…
Loss and fractionation of noble gas isotopes and moderately volatile elements from planetary embryos and early Venus, Earth and Mars
H. Lammer, M. Scherf, H. Kurokawa +12
Here we discuss the current state of knowledge on how atmospheric escape processes can fractionate noble gas isotopes and moderately volatile rock-forming elements that populate pr…
Evolution of the Earth's Polar Outflow From Mid-Archean to Present
K. G. Kislyakova, C. P. Johnstone, M. Scherf +5
The development of habitable conditions on Earth is tightly connected to the evolution of its atmosphere which is strongly influenced by atmospheric escape. We investigate the evol…
1+1D implicit disk computations
Florian Ragossnig, Ernst A. Dorfi, Bernhard Ratschiner +4
We present an implicit numerical method to solve the time-dependent equations of radiation hydrodynamics (RHD) in axial symmetry assuming hydrostatic equilibrium perpendicular to t…
The solar wind from a stellar perspective: how do low-resolution data impact the determination of wind properties?
S. Boro Saikia, M. Jin, C. P. Johnstone +5
Alfvén-wave-driven 3D magnetohydrodynamic (MHD) models, which are increasingly used to predict stellar wind properties, contain unconstrained parameters and rely on low-resolution…