Solar flux unit


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.

References Edit

  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.

External links Edit

  • F10.7 cm Radio Emissions | NOAA / NWS Space Weather Prediction Center