Specifications

AUTOSTAR CCD PHOTOMETRY 83
Figure E-7. ((B – V) – (b – v)
o
) versus (B – V) Plot.
Slope = (1 – 1 / μ)
(1 – 1 / μ) = [Δ((B – V) – (b – v)
o
)) / Δ(B – V)]
Δ((B – V) – (b – v)
o
)) / Δ(B – V) = 0.275/1.800 = 0.1528
(1 – 1 / μ) = 0.1528
μ = 1 / (1 – 0.1528)
μ = 1.1803
μ is (B – V) Color Coefficient
Y-Intercept when MX = 0 is ζ
bv
/ μ
Y-Intercept = ζ
bv
/ μ
ζ
bv
= μ ∗ Y – Intercept
ζ
bv
= –0.9210 * 1.0871
ζ
bv
= –1.0012
ζ
bv
is (B – V) Zero Point