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In this research note, we outline the extension of the grid of upperatmosphere models first presented in Kubyshkina et al. (2018a). The originalgrid is based on a 1D hydrodynamic model and consists of about 7000 modelscovering planets of the size from Earth to twice Neptune at orbitscorresponding to equilibrium temperatures between 300 and 2000 K aroundsolar-like (0.4 to 1.3 solar mass) stars. The extended and revised grid ofmodels consists of 10235 points and covers a planetary mass range of up to 109Earth masses, which allows one to outline the transition between low- andhigh-gravity hot planets in short orbital separations. We prepared theinterpolation tool allowing one to use the grid to define the mass-loss of aplanet that falls into the parameter range of the grid. We provide a comparisonof our results to common analytical models.

Extending a grid of hydrodynamic planetary upper atmosphere models