6 papers
Characterizing the bolometric-photoevaporative transition in young sub-Neptunes with radiation-hydrodynamic simulations
William Misener, Matthäus Schulik, Matthäus Schulik +2
Hydrodynamic atmospheric escape plays a central role in shaping the demographics of small, close-in exoplanets. Two mechanisms have been proposed to drive mass loss: photoevaporati…
Stringent Upper Bounds on Atmospheric Mass Loss from Three Neptune-Sized Planets in the TOI-4010 System
Morgan Saidel, Shreyas Vissapragada, Michael Zhang +6
Photoevaporative models predict that the lower edge of the Neptune desert is sculpted by atmospheric mass loss. However, the stellar high energy fluxes that power hydrodynamic esca…
Using the helium triplet as a tracer of the physics of giant planet outflows
Matthäus Schulik, James Owen
Hydrodynamic outflows, such as those observed escaping close-in gas giant planets, are not isothermal in structure. Their highly ionized nature allows them to cool adiabatically at…
Efficient and inefficient hydrodynamic escape of exo-satellite atmospheres driven by irradiation from their young giant planets
Matthäus Schulik, James E. Owen, Richard A. Booth +2
The bolometric radiation from a central body is potentially a powerful driver of atmospheric escape from planets or satellites. When heated above their equilibrium temperatures tho…
The influence of dust growth on the observational properties of circumplanetary discs
Matthäus Schulik, Bertram Bitsch, Anders Johansen +1
Dust growth is often indirectly inferred observationally in star-forming environments, theoretically predicted to produce mm-sized particles in circumstellar discs, and also presum…
Blowin' in the non-isothermal wind: core-powered mass loss with hydrodynamic radiative transfer
William Misener, Matthäus Schulik, Hilke E. Schlichting +1
The mass loss rates of planets undergoing core-powered escape are usually modeled using an isothermal Parker-type wind at the equilibrium temperature, . However, the…