Solar flux unit

solar flux unit
Unit systemnon-SI metric unit
Unit ofspectral flux density
Symbolsfu
Conversions
1 sfu in ...... is equal to ...
   SI units   10−22 W⋅m−2⋅Hz−1
   CGS units   10−19 erg⋅s−1⋅cm−2⋅Hz−1

The solar flux unit (sfu) is a non-SI unit of spectral flux density often used in solar radio observations, such as the F10.7 solar activity index. It is equivalent to 10−22 watts per square metre per hertz (SI), 10−19 ergs per second per square centimetre per hertz (CGS), and 104 Jansky.[1]

References

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


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