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Research Article

Table 1

Coefficients and their 2-sigma errors for the ordinary least squares (OLS) linear regression fits shown in Figure 4, for 10-day means of Pα/Po and am, where Pα/(Po)fit = s·am + c.

Data Line colour line in Figure 4 Slope, s Error in s, ξs Intercept, c Error in c, ξc
All Green 0.0445 ±0.0023 0.2299 ±0.0431
Equinox, Δteq < 0.125 Black 0.0432 ±0.0003 0.2128 ±0.0051
Solstice, Δteq ≥ 0.125 Orange 0.0469 ±0.0002 0.2053 ±0.0043
Difference (equinox-solstice) −0.0037 ±0.0003 0.0075 ±0.0067

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