Well, here's a partial answer:
Temperature without drawing:
Side of the lit portion: 400 deg C (or 752 deg F)
Middle of the lit portion: 580 deg C (or 1112 deg F)
Temperature during drawing:
Middle of the lit portion: 700 deg C (or 1292 deg F)
I'm not sure that atomizers get that hot. Someone else might have an answer to that.