F8V not G2V

edit

Spectral standard stars

Properties of typical F-type main-sequence stars
Spectral
type
Mass (M) Radius (R) Luminosity (L) Effective
temperature

(K)
Color
index

(B − V)
F0V 1.61 1.728 7.24 7,220 0.30
F1V 1.50 1.679 6.17 7,020 0.33
F2V 1.46 1.622 5.13 6,820 0.37
F3V 1.44 1.578 4.68 6,750 0.39
F4V 1.38 1.533 4.17 6,670 0.41
F5V 1.33 1.473 3.63 6,550 0.44
F6V 1.25 1.359 2.69 6,350 0.49
F7V 1.21 1.324 2.45 6,280 0.50
F8V 1.18 1.221 1.95 6,180 0.53
F9V 1.13 1.167 1.66 6,050 0.56