g_at_z# exo_skryer.vert_alt.g_at_z(R0: Array, z: Array, g_ref: Array) → Array[source]# Compute gravity as a function of altitude assuming spherical geometry. Parameters: R0ndarrayReference planetary radius in cm. zndarrayAltitude above the reference level in cm. g_refndarrayReference gravity at R0 in cm s⁻². Returns: g_zndarrayGravity at altitude z in cm s⁻².