dwarf, has an effective temperature of 5600° seems to favor these lower values.

[TABLE IX]

ClassTemperatureClassTemperature
3000°9000°
3000 10000
3500 13500
4000 15000
5000 17000
5600 18000
7000 20000
7500 25000
8400 35000

In concluding the summary of stellar temperatures, the ionization temperature scale is given in the foregoing table. The discussion on which the table is based is contained in [Chapters VI] to [IX], and it is merely placed here for comparison with the preceding tabulations.

FOOTNOTES:

[43] Eddington, Zeit. f. Phys., 7, 351, 1921.

[44] Phil. Trans., 223A, 201, 1922.

[45] Chapter IX, [p. 136].

[46] Chapter XIV, [p. 195].