Tinker's Guild Properties of Main-Sequence Stars  
 

 

 

Properties of Main-Sequence Stars

Spectral Type Absolute Visual Magnitude (Mv ) Luminosity* Temp. (°K) max (nm) Mass* Radius* Average
Density (g/cm3)
O5
-5.8
501,000
40,000
72.4
40
17.8
0.01
B0
-4.1
20,000
28,000
100
18
7.4
0.1
B5
-1.1
790
15,000
190
6.4
3.8
0.2
A0
+0.7
79
9,900
290
3.2
2.5
0.3
A5
+2.0
20
8,500
340
2.1
1.7
0.6
F0
+2.6
6.3
7,400
390
1.7
1.4
1.0
F5
+3.4
2.5
6,600
440
1.3
1.2
1.1
G0
+4.4
1.3
6,000
480
1.1
1.0
1.4
G5
+5.1
0.8
5,500
520
0.9
0.9
1.6
K0
+5.9
0.4
4,900
290
0.8
0.8
1.8
K5
+7.3
0.2
4,100
700
0.7
0.7
2.4
M0
+9.0
0.1
3,500
830
0.5
0.6
2.5
M5
+11.8
0.01
2,800
1,000
0.2
0.3
10.0
M8
+16
0.001
2,400
1,200
0.1
0.1
63

* Luminosity, mass, and radius are given in terms of the sun's luminosity, mass, and radius.

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