py21cmsense.sensitivity.PowerSpectrum.thermal_noise¶ PowerSpectrum.thermal_noise(k_par: Annotated[Quantity, Unit('littleh / Mpc')], k_perp: Annotated[Quantity, Unit('littleh / Mpc')], trms: Annotated[Quantity, PhysicalType('temperature')]) → Annotated[Quantity, Unit('mK2')][source]¶ Thermal noise contribution at particular k mode.