© Charles Chandler

 

class	temperature		luminosity		percent of total
	min	max	min	max
O	30,000	∞	30,000	∞	0.00003
B	10,000	30,000	25.00	30,000	0.13
A	7,500	10,000	5.00	25.00	0.60
F	6,000	7,500	1.50	5.00	3.00
G	5,200	6,000	0.60	1.50	7.60
K	3,700	5,200	0.08	0.60	12.10
M	2,400	3,700	0.00	0.08	76.45