On the one side, there are people who prefer to use longer, more moderate intensity post weight training; usually 65 % of maximum heart rate for 30 minutes to an hour. (stacklabs.com)
Ultimately, work done is still the main factor, and aerobic running at around 75 - 80 % maximum heart rate for 30 minutes or more, is very effective for fat burning. (verywellfit.com)
The exercises are performed at 80 to 90 percent of a person's maximum heart rate with alternating recovery periods at 40 to 50 percent of a person's heart rate. (medicaldaily.com)