Property:Spectral class

This is a property of type Text, and is set and generated by the "Spectral class" field of {{InfoBoxSystem}}.

Harvard spectral classification

Main article: w:Stellar classification

Class	Effective temperature	Vega-relative chromaticity	Chromaticity (D65)	Main-sequence mass (solar masses)	Main-sequence radius (solar radii)	Main-sequence luminosity (bolometric)	Hydrogen lines	Fraction of all main-sequence stars
O	≥ 30,000 K	blue	blue	≥ 16 M☉	≥ 6.6 R☉	≥ 30,000 L☉	Weak	0.000030%
B	10,000–30,000 K	bluish white	deep bluish white	2.1–16 M☉	1.8–6.6 R☉	25–30,000 L☉	Medium	0.12%
A	7,500–10,000 K	white	bluish white	1.4–2.1 M☉	1.4–1.8 R☉	5–25 L☉	Strong	0.61%
F	6,000–7,500 K	yellowish white	white	1.04–1.4 M☉	1.15–1.4 R☉	1.5–5 L☉	Medium	3.0%
G	5,200–6,000 K	yellow	yellowish white	0.8–1.04 M☉	0.96–1.15 R☉	0.6–1.5 L☉	Weak	7.6%
K	3,700–5,200 K	light orange	pale yellowish orange	0.45–0.8 M☉	0.7–0.96 R☉	0.08–0.6 L☉	Very weak	12%
M	2,400–3,700 K	orangish red	light orangish red	0.08–0.45 M☉	≤ 0.7 R☉	≤ 0.08 L☉	Very weak	76%