476/475

476/475, the hedwigma, is a 19-limit superparticular comma of about 3.64 cents. It is the amount by which a stack consisting of two 5/4s and one 19/17 falls short of 7/4. By tempering it out is defined the hedwigmic temperament, which enables the hedwigmic chords.

Interval information

Ratio	476/475
Factorization	22 × 5-2 × 7 × 17 × 19-1
Monzo	[2 0 -2 1 0 0 1 -1⟩
Size in cents	3.640872¢
Name	hedwigma
Color name	19u17ozgg2, nusozogugu 2nd, Nusozogugu comma
FJS name	[math]\displaystyle{ \text{d2}^{7,17}_{5,5,19} }[/math]
Special properties	superparticular, reduced
Tenney norm (log2 nd)	17.7866
Weil norm (log2 max(n, d))	17.7896
Wilson norm (sopfr(nd))	57
Comma size	small
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Etymology

The name hedwigma was named by Xenllium in 2023. It refers to 476 Hedwig, the asteroid. Which in turn was named for the wife of Swedish–Danish astronomer Elis Strömgren.

See also

• Small comma
• List of superparticular intervals