Hyper Giant Class Star

75 to 315 Solar Masses
501 to 2,100 Solar Diameter

Hyper Giant Star Surface Temperature:

41,000 Kelvin to 53,000 Kelvin
? Fahrenheit to 94,940 Fahrenheit

Hyper Giant Star Core Temperature:

? Kelvin
? Fahrenheit


Super Giant Class Star

10 to 70 Solar Masses
30 to 500 Solar Diameter

Super Giant Star Surface Temperature:

4,000 Kelvin to 40,000 Kelvin
6,740 Fahrenheit to 71,540 Fahrenheit

Super Giant Star Core Temperature:

? Kelvin
? Fahrenheit


Giant Class Star

1 to 5 Solar Masses
10 to 50 Solar Diameter

Giant Star Surface Temperature:

3,000 Kelvin to 10,000 Kelvin
4,940 Fahrenheit to 17,540 Fahrenheit

Giant Star Core Temperature:

? Kelvin
? Fahrenheit


Wolf Rayet Class Star

20 to 74 Solar Masses
2 to 25 Solar Diameter

Wolf Rayet Star Surface Temperature:

53,000 Kelvin to 200,000 Kelvin
94,940 Fahrenheit to 359,540 Fahrenheit

Wolf Rayet Star Core Temperature:

? Kelvin
? Fahrenheit


O Class Star

16 to 25 Solar Masses
6.6 to 10 Solar Diameter

O Class Star Surface Temperature:

30,000 Kelvin to 52,000 Kelvin
53,540 Fahrenheit to 93,140 Fahrenheit

O Class Star Core Temperature:

? Kelvin
? Fahrenheit


B Class Star

2.1 to 15 Solar Masses
1.8 to 6.5 Solar Diameter

B Class Star Surface Temperature:

10,000 Kelvin to 29,999 Kelvin
17,540 Fahrenheit to 53,538 Fahrenheit

B Class Star Core Temperature:

? Kelvin
? Fahrenheit


A Class Star

1.4 to 2.1 Solar Masses
1.4 to 1.7 Solar Diameter

A Class Star Surface Temperature:

7,500 Kelvin to 9,999 Kelvin
13,040 Fahrenheit to 17,538 Fahrenheit

A Class Star Core Temperature:

? Kelvin
? Fahrenheit


F Class Star

1.04 to 1.3 Solar Masses
1.15 to 1.3 Solar Diameter

F Class Star Surface Temperature:

6,000 Kelvin to 7,499 Kelvin
10,340 Fahrenheit to 13,038 Fahrenheit

F Class Star Core Temperature:

? Kelvin
? Fahrenheit


G Class Star (Our Sun)

0.80 to 1.03 Solar Masses
0.96 to 1.14 Solar Diameter

G Class Star Surface Temperature:

5,200 Kelvin to 5,999 Kelvin
8,900 Fahrenheit to 10,338 Fahrenheit

G Class Star Core Temperature:

10 Million to 15 Million Kelvin
18 Million to 27 Million Fahrenheit


K Class Star

0.45 to 0.70 Solar Masses
0.70 to 0.95 Solar Diameter

K Class Star Surface Temperature:

3,700 Kelvin to 5,199 Kelvin
8,900 Fahrenheit to 10,338 Fahrenheit

K Class Star Core Temperature:

? Kelvin
? Fahrenheit


M Class Star

0.08 to 0.44 Solar Masses
0.69 or Less Solar Diameter

M Class Star Surface Temperature:

2,400 Kelvin to 3,699 Kelvin
3,860 Fahrenheit to 6,198 Fahrenheit

M Class Star Core Temperature:

? Kelvin
? Fahrenheit


L Class Failed Star

51 to 80 Jupiter Masses
Similar Diameter to Jupiter

L Class Failed Star Surface Temperature:

1,300 Kelvin to 2,000 Kelvin
1,880 Fahrenheit to 3,140 Fahrenheit

L Class Failed Star Core Temperature:

? Kelvin
? Fahrenheit


T Class Failed Star

26 to 50 Jupiter Masses
Similar Diameter to Jupiter

T Class Failed Star Surface Temperature:

700 Kelvin to 1,299 Kelvin
800 Fahrenheit to 1,878 Fahrenheit

T Class Failed Star Core Temperature:

? Kelvin
? Fahrenheit


Y Class Failed Star

14 to 25 Jupiter Masses
Similar Diameter to Jupiter

Y Class Failed Star Surface Temperature:

440 Kelvin to 699 Kelvin
332 Fahrenheit to 798 Fahrenheit

Y Class Failed Star Core Temperature:

? Kelvin
? Fahrenheit


Sub-BD Class Failed Star

3 to 13 Jupiter Masses
Similar Diameter to Jupiter

Sub-BD Class Failed Star Surface Temperature:

225 Kelvin to 439 Kelvin
-54 Fahrenheit to 330 Fahrenheit

Sub-BD Class Failed Star Core Temperature:

? Kelvin
? Fahrenheit


D Class White Dwarf Star

0.17 to 1.33 Jupiter Masses
8,700 Mile Diameter

D Class White Dwarf Star Surface Temperature:

4,000 Kelvin to 150,000 Kelvin
6,740 Fahrenheit to 269,540 Fahrenheit

D Class White Dwarf Star Core Temperature:

2.5 Million Kelvin to 1 Billion Kelvin
4.5 Million Fahrenheit to 1.8 Billion Fahrenheit


Neutron Star

1.1 to 3.3 Jupiter Masses
12.4 Mile Diameter

Neutron Star Surface Temperature:

600,000 Kelvin to 1,000,000 Kelvin
1,079,540 Fahrenheit to 1,799,540 Fahrenheit

Neutron Star Core Temperature:

1 Trillion Kelvin
1.8 Trillion Fahrenheit


Black Hole

3.8 to 40 Billion Solar Masses
15 to 147 Billion Mile Diameter

Black Hole Surface Temperature:

0 Kelvin to 2.7 Kelvin
-459 Fahrenheit to -454 Fahrenheit

Black Hole Core Temperature:

Unknown or Not Possible