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Earth, Planets and Space

Table 1 Proportions and confidence interval of PH–PL during 511–1876

From: Response of aurora candidates in the Chinese official histories to the space climate during 511–1876

Aurora color

PH

PL

90% CI

Overall

0.171

0.134

[0.004, 0.070]

White

0.112

0.093

[−0.009, 0.047]

Red

0.075

0.034

[0.021, 0.062]

Blue

0.018

0.029

[−0.025, 0.003]

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