Hardware
ChaSTE, Chandra's Surface Thermophysical Experiment
ISRO / SPL VSSC
ISRO SPL/VSSC ChaSTE thermal probe on Vikram for regolith thermal conductivity / temperature profile.
ChaSTE, Chandra's Surface Thermophysical Experiment, is the thermal probe from ISRO SPL and VSSC.
Mission brief
On Vikram during Chandrayaan-3 it measures regolith thermal conductivity and the temperature profile.
Schematic
The probe is the ChaSTE cargo on the Vikram lander.