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Solar flux unit

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The solar flux unit (sfu) is a convenient measure of spectral flux density often used in solar radio observations, such as the F10.7 solar activity index[1]:

1 sfu = 104 Jy = 10−22 W⋅m−2⋅Hz−1 = 10−19 erg⋅s−1⋅cm−2⋅Hz−1.

See jansky for further information about related units.

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  1. ^ Tapping, K. F. ( 2013), The 10.7 cm solar radio flux (F10.7), Space Weather, 11, 394– 406, doi:10.1002/swe.20064.
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