[Wien] Fermi contact hyperfine field contribution in WIEN2k

[Wanderson Lobato Ferreira]

Dear users,
I have come across a specific aspect of the calculations that I seek to
understand in greater depth.
In the Technical report about Calculation of hyperfine field in WIEN2k (by
Pavel Novak), the formula for the Fermi contact field is simplified as:
Bc=524.3×ρ(0)(kG)
I am particularly interested in the derivation that leads to the
coefficient 524.3 in this equation. Could someone kindly provide a detailed
explanation or point me towards relevant resources that elucidate how this
coefficient is determined (i.e, the conversion factors and unit
considerations involved in this derivation)?

-- 
*Wanderson Ferreira*
University of São Paulo
Hyperfine Interactions Group - IPEN
Av. Prof. Lineu Prestes, 2242
05508-000 São Paulo, SP  -  Brazil
https://orcid.org/0000-0003-0005-8301
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